Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Feb 7 18:12:00 UTC 2014


This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats at lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.

Routing Table Report   04:00 +10GMT Sat 08 Feb, 2014

Report Website:     http://thyme.rand.apnic.net
Detailed Analysis:  http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined:                              481577
    Prefixes after maximum aggregation:                          191369
    Deaggregation factor:                                          2.52
    Unique aggregates announced to Internet:                     238471
Total ASes present in the Internet Routing Table:                 46105
    Prefixes per ASN:                                             10.45
Origin-only ASes present in the Internet Routing Table:           35582
Origin ASes announcing only one prefix:                           16383
Transit ASes present in the Internet Routing Table:                6020
Transit-only ASes present in the Internet Routing Table:            167
Average AS path length visible in the Internet Routing Table:       4.6
    Max AS path length visible:                                      53
    Max AS path prepend of ASN ( 50404)                              51
Prefixes from unregistered ASNs in the Routing Table:              1861
    Unregistered ASNs in the Routing Table:                         496
Number of 32-bit ASNs allocated by the RIRs:                       5908
Number of 32-bit ASNs visible in the Routing Table:                4503
Prefixes from 32-bit ASNs in the Routing Table:                   14343
Number of bogon 32-bit ASNs visible in the Routing Table:            15
Special use prefixes present in the Routing Table:                   12
Prefixes being announced from unallocated address space:            450
Number of addresses announced to Internet:                   2666891428
    Equivalent to 158 /8s, 245 /16s and 136 /24s
    Percentage of available address space announced:               72.0
    Percentage of allocated address space announced:               72.0
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               95.7
Total number of prefixes smaller than registry allocations:      168062

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   114263
    Total APNIC prefixes after maximum aggregation:               34392
    APNIC Deaggregation factor:                                    3.32
Prefixes being announced from the APNIC address blocks:          116746
    Unique aggregates announced from the APNIC address blocks:    48907
APNIC Region origin ASes present in the Internet Routing Table:    4881
    APNIC Prefixes per ASN:                                       23.92
APNIC Region origin ASes announcing only one prefix:               1216
APNIC Region transit ASes present in the Internet Routing Table:    840
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         28
Number of APNIC region 32-bit ASNs visible in the Routing Table:    827
Number of APNIC addresses announced to Internet:              729428480
    Equivalent to 43 /8s, 122 /16s and 50 /24s
    Percentage of available APNIC address space announced:         85.2

APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-63999, 131072-133631
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    164783
    Total ARIN prefixes after maximum aggregation:                82620
    ARIN Deaggregation factor:                                     1.99
Prefixes being announced from the ARIN address blocks:           166088
    Unique aggregates announced from the ARIN address blocks:     77127
ARIN Region origin ASes present in the Internet Routing Table:    16132
    ARIN Prefixes per ASN:                                        10.30
ARIN Region origin ASes announcing only one prefix:                6097
ARIN Region transit ASes present in the Internet Routing Table:    1679
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          21
Number of ARIN region 32-bit ASNs visible in the Routing Table:      62
Number of ARIN addresses announced to Internet:              1077581312
    Equivalent to 64 /8s, 58 /16s and 150 /24s
    Percentage of available ARIN address space announced:          57.0

ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 393216-394239
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                        53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                        65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                        72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                        98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
                       129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
                       137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
                       146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
                       157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
                       165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
                       173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
                       205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
                       216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    121619
    Total RIPE prefixes after maximum aggregation:                61723
    RIPE Deaggregation factor:                                     1.97
Prefixes being announced from the RIPE address blocks:           125577
    Unique aggregates announced from the RIPE address blocks:     80205
RIPE Region origin ASes present in the Internet Routing Table:    17634
    RIPE Prefixes per ASN:                                         7.12
RIPE Region origin ASes announcing only one prefix:                8323
RIPE Region transit ASes present in the Internet Routing Table:    2867
Average RIPE Region AS path length visible:                         5.0
    Max RIPE Region AS path length visible:                          53
Number of RIPE region 32-bit ASNs visible in the Routing Table:    2613
Number of RIPE addresses announced to Internet:               656485508
    Equivalent to 39 /8s, 33 /16s and 44 /24s
    Percentage of available RIPE address space announced:          95.4

RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 196608-200191
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   54351
    Total LACNIC prefixes after maximum aggregation:               9972
    LACNIC Deaggregation factor:                                   5.45
Prefixes being announced from the LACNIC address blocks:          59905
    Unique aggregates announced from the LACNIC address blocks:   27711
LACNIC Region origin ASes present in the Internet Routing Table:   2065
    LACNIC Prefixes per ASN:                                      29.01
LACNIC Region origin ASes announcing only one prefix:               548
LACNIC Region transit ASes present in the Internet Routing Table:   408
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        32
Number of LACNIC region 32-bit ASNs visible in the Routing Table:   992
Number of LACNIC addresses announced to Internet:             150415648
    Equivalent to 8 /8s, 247 /16s and 41 /24s
    Percentage of available LACNIC address space announced:        89.7

LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 262144-263679 plus ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  12102
    Total AfriNIC prefixes after maximum aggregation:              2624
    AfriNIC Deaggregation factor:                                  4.61
Prefixes being announced from the AfriNIC address blocks:         12811
    Unique aggregates announced from the AfriNIC address blocks:   4145
AfriNIC Region origin ASes present in the Internet Routing Table:   697
    AfriNIC Prefixes per ASN:                                     18.38
AfriNIC Region origin ASes announcing only one prefix:              199
AfriNIC Region transit ASes present in the Internet Routing Table:  148
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    9
Number of AfriNIC addresses announced to Internet:             50426112
    Equivalent to 3 /8s, 1 /16s and 113 /24s
    Percentage of available AfriNIC address space announced:       50.1

AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 4766     2934      11562         880   Korea Telecom
17974     2748        902          88   PT Telekomunikasi Indonesia
 7545     2176        320         117   TPG Telecom Limited
 4755     1823        392         194   TATA Communications formerly 
 9829     1585       1283          39   National Internet Backbone
 9583     1297        101         535   Sify Limited
 7552     1236       1082          13   Viettel Corporation
 9498     1218        309          68   BHARTI Airtel Ltd.
 4808     1168       2117         354   CNCGROUP IP network China169 
24560     1106        376         172   Bharti Airtel Ltd., Telemedia

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 6389     3027       3688          53   BellSouth.net Inc.
22773     2326       2938         139   Cox Communications Inc.
 1785     2158        690         128   PaeTec Communications, Inc.
18566     2048        379         178   MegaPath Corporation
20115     1684       1665         576   Charter Communications
 4323     1623       1090         411   tw telecom holdings, inc.
  701     1495      11189         765   MCI Communications Services, 
30036     1370        296         570   Mediacom Communications Corp
 6983     1299        772         582   ITC^Deltacom
 7018     1286      18003         841   AT&T Services, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 8402     1778        544          16   OJSC "Vimpelcom"
34984     1387        243         227   TELLCOM ILETISIM HIZMETLERI A
20940     1221        453         921   Akamai International B.V.
13188     1045        100          28   TOV "Bank-Inform"
31148     1017         45          21   Freenet Ltd.
 6849      859        362          37   JSC "Ukrtelecom"
 8551      827        370          41   Bezeq International-Ltd
 6830      771       2327         424   Liberty Global Operations B.V
12479      704        797          55   France Telecom Espana SA
35228      553        246          16   Telefonica UK Limited

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
28573     3388       1881          82   NET Serviços de Comunicação S
10620     2722        438         213   Telmex Colombia S.A.
18881     1868        908          20   Global Village Telecom
 7303     1745       1165         220   Telecom Argentina S.A.
 8151     1377       2888         423   Uninet S.A. de C.V.
 6503      930        434          61   Axtel, S.A.B. de C.V.
11830      869        364          15   Instituto Costarricense de El
 7738      847       1626          39   Telemar Norte Leste S.A.
27947      830         93          94   Telconet S.A
 6147      768        373          27   Telefonica del Peru S.A.A.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
36998     1810        240           6   Sudanese Mobile Telephone (ZA
24863      917        380          28   Link Egypt (Link.NET)
 6713      602        685          28   Office National des Postes et
 8452      483        956           9   TE-AS
24835      298        144           9   Vodafone Data
36992      271        783          24   ETISALAT MISR
 3741      247        921         208   Internet Solutions
29571      245         21          16   Cote d'Ivoire Telecom
15706      219         32           6   Sudatel (Sudan Telecom Co. Lt
29975      192        668          21   Vodacom

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
28573     3388       1881          82   NET Serviços de Comunicação S
 6389     3027       3688          53   BellSouth.net Inc.
 4766     2934      11562         880   Korea Telecom
17974     2748        902          88   PT Telekomunikasi Indonesia
10620     2722        438         213   Telmex Colombia S.A.
22773     2326       2938         139   Cox Communications Inc.
 7545     2176        320         117   TPG Telecom Limited
 1785     2158        690         128   PaeTec Communications, Inc.
18566     2048        379         178   MegaPath Corporation
18881     1868        908          20   Global Village Telecom

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings Description
 6389      3027        2974      BellSouth.net Inc.
17974      2748        2660      PT Telekomunikasi Indonesia
10620      2722        2509      Telmex Colombia S.A.
22773      2326        2187      Cox Communications Inc.
 7545      2176        2059      TPG Telecom Limited
 4766      2934        2054      Korea Telecom
 1785      2158        2030      PaeTec Communications, Inc.
18566      2048        1870      MegaPath Corporation
18881      1868        1848      Global Village Telecom
36998      1810        1804      Sudanese Mobile Telephone (ZA

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS  Designation  Network              Transit AS  Description
30662   UNALLOCATED  8.2.129.0/24          3356       Level 3 Communicatio
14728   UNALLOCATED  8.8.192.0/23          3356       Level 3 Communicatio
14728   UNALLOCATED  8.8.196.0/22          3356       Level 3 Communicatio
14728   UNALLOCATED  8.8.200.0/23          3356       Level 3 Communicatio
14728   UNALLOCATED  8.8.202.0/23          3356       Level 3 Communicatio
53506   UNALLOCATED  8.17.102.0/23         2828       XO Communications
20260   UNALLOCATED  8.25.160.0/24         3356       Level 3 Communicatio
20260   UNALLOCATED  8.25.161.0/24         3356       Level 3 Communicatio
46473   UNALLOCATED  8.27.122.0/24        12180       Internap Network Ser
46473   UNALLOCATED  8.27.124.0/24        12180       Internap Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
100.88.0.0/16         6697     Republican Unitary Telecommun
100.89.0.0/16         6697     Republican Unitary Telecommun
100.90.0.0/16         6697     Republican Unitary Telecommun
100.91.0.0/16         6697     Republican Unitary Telecommun
100.92.0.0/16         6697     Republican Unitary Telecommun
100.93.0.0/16         6697     Republican Unitary Telecommun
100.94.0.0/16         6697     Republican Unitary Telecommun
100.95.0.0/16         6697     Republican Unitary Telecommun
100.104.0.0/13        6697     Republican Unitary Telecommun
100.112.0.0/13        6697     Republican Unitary Telecommun

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
27.100.7.0/24        56096     >>UNKNOWN<<
41.73.1.0/24         37004     Suburban Telecom
41.73.2.0/24         37004     Suburban Telecom
41.73.3.0/24         37004     Suburban Telecom
41.73.4.0/24         37004     Suburban Telecom
41.73.7.0/24         37004     Suburban Telecom
41.73.8.0/24         37004     Suburban Telecom
41.73.10.0/24        37004     Suburban Telecom
41.73.11.0/24        37004     Suburban Telecom
41.73.12.0/24        37004     Suburban Telecom

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:13      /10:30      /11:92      /12:253     
/13:477     /14:952     /15:1656    /16:12880   /17:6822    /18:11519   
/19:23772   /20:33466   /21:36102   /22:51389   /23:44752   /24:255205  
/25:778     /26:933     /27:422     /28:12      /29:17      /30:8       
/31:0       /32:11      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

  ASN   No of nets  Total ann.   Description
18566     2003          2048      MegaPath Corporation
36998     1771          1810      Sudanese Mobile Telephone (ZA
 6389     1697          3027      BellSouth.net Inc.
22773     1570          2326      Cox Communications Inc.
 8402     1456          1778      OJSC "Vimpelcom"
30036     1209          1370      Mediacom Communications Corp
11492     1162          1200      CABLE ONE, INC.
 1785     1161          2158      PaeTec Communications, Inc.
 6983     1039          1299      ITC^Deltacom
22561      980          1264      CenturyTel Internet Holdings,

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:950       2:776       3:3         4:16        5:897       6:21     
   8:658      12:1858     13:3        14:940      15:9        16:3      
  17:23       18:19       20:36       23:669      24:1725     27:1737   
  31:1561     32:44       33:2        34:5        36:121      37:1898   
  38:923      39:4        40:191      41:3287     42:244      44:17     
  46:2170     47:12       49:664      50:895      52:12       54:45     
  55:3        57:26       58:1143     59:590      60:369      61:1511   
  62:1235     63:1959     64:4376     65:2248     66:4151     67:2031   
  68:1031     69:3301     70:867      71:471      72:2011     74:2643   
  75:313      76:308      77:1184     78:1035     79:693      80:1324   
  81:1102     82:672      83:740      84:721      85:1263     86:475    
  87:1032     88:523      89:1760     90:152      91:5731     92:672    
  93:1651     94:2074     95:1460     96:533      97:351      98:1072   
  99:39      100:32      101:768     103:4122    105:536     106:143    
 107:433     108:539     109:2090    110:967     111:1239    112:610    
 113:824     114:773     115:1084    116:1026    117:841     118:1244   
 119:1305    120:327     121:789     122:1911    123:1260    124:1384   
 125:1445    128:642     129:241     130:362     131:659     132:356    
 133:157     134:318     135:74      136:281     137:260     138:349    
 139:153     140:203     141:357     142:552     143:435     144:498    
 145:99      146:598     147:412     148:789     149:344     150:151    
 151:567     152:421     153:207     154:80      155:522     156:317    
 157:368     158:293     159:836     160:356     161:466     162:1109   
 163:217     164:672     165:597     166:278     167:592     168:1046   
 169:124     170:1176    171:196     172:14      173:1603    174:683    
 175:572     176:1422    177:2714    178:1950    179:440     180:1620   
 181:994     182:1434    183:494     184:658     185:1248    186:2760   
 187:1439    188:2004    189:1278    190:7435    191:44      192:7092   
 193:5449    194:4005    195:3368    196:1369    197:1086    198:4884   
 199:5551    200:6086    201:2551    202:9038    203:8896    204:4483   
 205:2644    206:2924    207:2829    208:3970    209:3653    210:3098   
 211:1639    212:2228    213:2013    214:870     215:84      216:5507   
 217:1695    218:566     219:324     220:1272    221:593     222:335    
 223:591    

End of report



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