Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jan 24 18:13:21 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 25 Jan, 2014

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

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

BGP routing table entries examined:                              479892
    Prefixes after maximum aggregation:                          190818
    Deaggregation factor:                                          2.51
    Unique aggregates announced to Internet:                     237486
Total ASes present in the Internet Routing Table:                 45998
    Prefixes per ASN:                                             10.43
Origin-only ASes present in the Internet Routing Table:           35541
Origin ASes announcing only one prefix:                           16285
Transit ASes present in the Internet Routing Table:                6006
Transit-only ASes present in the Internet Routing Table:            168
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:              2707
    Unregistered ASNs in the Routing Table:                         648
Number of 32-bit ASNs allocated by the RIRs:                       5746
Number of 32-bit ASNs visible in the Routing Table:                4451
Prefixes from 32-bit ASNs in the Routing Table:                   14112
Number of bogon 32-bit ASNs visible in the Routing Table:             1
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:           2018
Number of addresses announced to Internet:                   2663146148
    Equivalent to 158 /8s, 188 /16s and 98 /24s
    Percentage of available address space announced:               71.9
    Percentage of allocated address space announced:               71.9
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               95.4
Total number of prefixes smaller than registry allocations:      166690

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

Prefixes being announced by APNIC Region ASes:                   114387
    Total APNIC prefixes after maximum aggregation:               34391
    APNIC Deaggregation factor:                                    3.33
Prefixes being announced from the APNIC address blocks:          116810
    Unique aggregates announced from the APNIC address blocks:    48876
APNIC Region origin ASes present in the Internet Routing Table:    4888
    APNIC Prefixes per ASN:                                       23.90
APNIC Region origin ASes announcing only one prefix:               1224
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:    814
Number of APNIC addresses announced to Internet:              729945088
    Equivalent to 43 /8s, 130 /16s and 20 /24s
    Percentage of available APNIC address space announced:         85.3

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:                    163875
    Total ARIN prefixes after maximum aggregation:                82068
    ARIN Deaggregation factor:                                     2.00
Prefixes being announced from the ARIN address blocks:           164320
    Unique aggregates announced from the ARIN address blocks:     75852
ARIN Region origin ASes present in the Internet Routing Table:    15934
    ARIN Prefixes per ASN:                                        10.31
ARIN Region origin ASes announcing only one prefix:                5966
ARIN Region transit ASes present in the Internet Routing Table:    1673
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:      59
Number of ARIN addresses announced to Internet:              1071108864
    Equivalent to 63 /8s, 215 /16s and 211 /24s
    Percentage of available ARIN address space announced:          56.7

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:                    120956
    Total RIPE prefixes after maximum aggregation:                61508
    RIPE Deaggregation factor:                                     1.97
Prefixes being announced from the RIPE address blocks:           124705
    Unique aggregates announced from the RIPE address blocks:     79612
RIPE Region origin ASes present in the Internet Routing Table:    17616
    RIPE Prefixes per ASN:                                         7.08
RIPE Region origin ASes announcing only one prefix:                8342
RIPE Region transit ASes present in the Internet Routing Table:    2854
Average RIPE Region AS path length visible:                         5.1
    Max RIPE Region AS path length visible:                          53
Number of RIPE region 32-bit ASNs visible in the Routing Table:    2590
Number of RIPE addresses announced to Internet:               656353156
    Equivalent to 39 /8s, 31 /16s and 39 /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:                   53799
    Total LACNIC prefixes after maximum aggregation:               9925
    LACNIC Deaggregation factor:                                   5.42
Prefixes being announced from the LACNIC address blocks:          59419
    Unique aggregates announced from the LACNIC address blocks:   27533
LACNIC Region origin ASes present in the Internet Routing Table:   2059
    LACNIC Prefixes per ASN:                                      28.86
LACNIC Region origin ASes announcing only one prefix:               555
LACNIC Region transit ASes present in the Internet Routing Table:   403
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        35
Number of LACNIC region 32-bit ASNs visible in the Routing Table:   979
Number of LACNIC addresses announced to Internet:             148668192
    Equivalent to 8 /8s, 220 /16s and 127 /24s
    Percentage of available LACNIC address space announced:        88.6

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:                  11899
    Total AfriNIC prefixes after maximum aggregation:              2606
    AfriNIC Deaggregation factor:                                  4.57
Prefixes being announced from the AfriNIC address blocks:         12620
    Unique aggregates announced from the AfriNIC address blocks:   4088
AfriNIC Region origin ASes present in the Internet Routing Table:   697
    AfriNIC Prefixes per ASN:                                     18.11
AfriNIC Region origin ASes announcing only one prefix:              198
AfriNIC Region transit ASes present in the Internet Routing Table:  149
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:             50232320
    Equivalent to 2 /8s, 254 /16s and 124 /24s
    Percentage of available AfriNIC address space announced:       49.9

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     2937      11557         951   Korea Telecom
17974     2737        902          88   PT Telekomunikasi Indonesia
 7545     2146        320         116   TPG Telecom Limited
 4755     1828        394         200   TATA Communications formerly 
 9829     1591       1282          44   National Internet Backbone
 9583     1297        101         533   Sify Limited
 7552     1235       1080          13   Viettel Corporation
 9498     1213        309          68   BHARTI Airtel Ltd.
 4808     1172       2121         348   CNCGROUP IP network China169 
24560     1093        382         167   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     3028       3688          53   BellSouth.net Inc.
22773     2324       2940         138   Cox Communications Inc.
 1785     2154        689         127   PaeTec Communications, Inc.
18566     2048        379         178   MegaPath Corporation
20115     1684       1668         586   Charter Communications
 4323     1629       1089         407   tw telecom holdings, inc.
  701     1499      11173         768   MCI Communications Services, 
30036     1376        297         570   Mediacom Communications Corp
 7018     1299      18004         845   AT&T Services, Inc.
 6983     1295        756         581   ITC^Deltacom

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     1842        544          16   OJSC "Vimpelcom"
34984     1393        244         225   TELLCOM ILETISIM HIZMETLERI A
20940     1224        460         924   Akamai International B.V.
13188     1039         99          30   TOV "Bank-Inform"
31148     1013         45          21   Freenet Ltd.
 6849      873        362          37   JSC "Ukrtelecom"
 8551      851        370          38   Bezeq International-Ltd
 6830      772       2327         425   Liberty Global Operations B.V
12479      697        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     3325       1862          78   NET Serviços de Comunicação S
10620     2681        434         237   Telmex Colombia S.A.
18881     1831        909          21   Global Village Telecom
 7303     1744       1165         223   Telecom Argentina S.A.
 8151     1376       2884         427   Uninet S.A. de C.V.
11830      869        364          15   Instituto Costarricense de El
 7738      847       1626          39   Telemar Norte Leste S.A.
 6503      838        434          60   Axtel, S.A.B. de C.V.
27947      836         93          94   Telconet S.A
 6147      773        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      909        380          28   Link Egypt (Link.NET)
 6713      600        653          27   Office National des Postes et
 8452      471        956           9   TE-AS
24835      298        144           9   Vodafone Data
 3741      246        921         208   Internet Solutions
29571      242         21          14   Cote d'Ivoire Telecom
36992      239        783          24   ETISALAT MISR
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     3325       1862          78   NET Serviços de Comunicação S
 6389     3028       3688          53   BellSouth.net Inc.
 4766     2937      11557         951   Korea Telecom
17974     2737        902          88   PT Telekomunikasi Indonesia
10620     2681        434         237   Telmex Colombia S.A.
22773     2324       2940         138   Cox Communications Inc.
 1785     2154        689         127   PaeTec Communications, Inc.
 7545     2146        320         116   TPG Telecom Limited
18566     2048        379         178   MegaPath Corporation
 8402     1842        544          16   OJSC "Vimpelcom"

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      3028        2975      BellSouth.net Inc.
17974      2737        2649      PT Telekomunikasi Indonesia
10620      2681        2444      Telmex Colombia S.A.
22773      2324        2186      Cox Communications Inc.
 7545      2146        2030      TPG Telecom Limited
 1785      2154        2027      PaeTec Communications, Inc.
 4766      2937        1986      Korea Telecom
18566      2048        1870      MegaPath Corporation
 8402      1842        1826      OJSC "Vimpelcom"
18881      1831        1810      Global Village Telecom

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
62828   UNALLOCATED  8.21.130.0/24         4323       tw telecom holdings,
62850   UNALLOCATED  8.25.147.0/24        46887       Lightower Fiber Netw
20260   UNALLOCATED  8.25.160.0/24         3356       Level 3 Communicatio
20260   UNALLOCATED  8.25.161.0/24         3356       Level 3 Communicatio

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

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

Network            Origin AS  Description
23.90.128.0/18       27418     OUTOFWALL INC.
23.91.0.0/19         40676     Psychz Networks
23.91.14.0/24        40676     Psychz Networks
23.91.32.0/19        36315     Servpac Inc.
23.91.80.0/20        21560     Netstream Communications, LLC
23.91.96.0/20        40676     Psychz Networks
23.91.111.0/24       49544     i3d B.V.
23.91.112.0/21       32475     SingleHop
23.91.120.0/21       36351     SoftLayer Technologies Inc.
23.91.128.0/19        5645     TekSavvy Solutions, Inc.

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       /9:11      /10:30      /11:92      /12:253     
/13:475     /14:944     /15:1650    /16:12879   /17:6819    /18:11477   
/19:23690   /20:33430   /21:36046   /22:51022   /23:44484   /24:254375  
/25:784     /26:941     /27:426     /28:12      /29:16      /30:9       
/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     1698          3028      BellSouth.net Inc.
22773     1568          2324      Cox Communications Inc.
 8402     1523          1842      OJSC "Vimpelcom"
30036     1216          1376      Mediacom Communications Corp
 1785     1161          2154      PaeTec Communications, Inc.
11492     1157          1194      CABLE ONE, INC.
 6983     1036          1295      ITC^Deltacom
22561      980          1261      CenturyTel Internet Holdings,

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

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

   1:939       2:811       3:3         4:16        5:891       6:21     
   8:640      12:1869     13:3        14:920      15:9        16:3      
  17:23       18:19       20:36       23:665      24:1726     27:1723   
  31:1540     32:44       33:2        34:5        36:114      37:1922   
  38:916      39:4        40:188      41:3259     42:245      44:14     
  46:2135     47:12       49:663      50:864      52:12       54:44     
  55:4        57:26       58:1139     59:624      60:370      61:1575   
  62:1197     63:1958     64:4394     65:2315     66:4141     67:2042   
  68:1077     69:3277     70:916      71:505      72:2041     74:2620   
  75:315      76:307      77:1147     78:1030     79:692      80:1321   
  81:1080     82:683      83:741      84:662      85:1238     86:424    
  87:989      88:495      89:1617     90:146      91:5719     92:661    
  93:1636     94:2061     95:1473     96:536      97:349      98:1067   
  99:41      100:32      101:719     103:4036    105:534     106:142    
 107:411     108:548     109:2046    110:979     111:1214    112:614    
 113:819     114:774     115:1153    116:1026    117:834     118:1244   
 119:1304    120:322     121:900     122:1926    123:1266    124:1431   
 125:1455    128:630     129:242     130:359     131:661     132:354    
 133:159     134:318     135:72      136:281     137:317     138:351    
 139:143     140:205     141:356     142:550     143:414     144:504    
 145:96      146:590     147:426     148:783     149:356     150:151    
 151:476     152:413     153:208     154:79      155:521     156:317    
 157:421     158:294     159:832     160:359     161:464     162:1056   
 163:218     164:672     165:591     166:272     167:638     168:1045   
 169:123     170:1169    171:191     172:12      173:1620    174:687    
 175:567     176:1409    177:2689    178:1954    179:398     180:1607   
 181:953     182:1392    183:495     184:635     185:1197    186:2762   
 187:1443    188:2030    189:1270    190:7365    191:25      192:7046   
 193:5434    194:4020    195:3391    196:1350    197:1085    198:4841   
 199:5512    200:6078    201:2512    202:9019    203:8912    204:4509   
 205:2653    206:2917    207:2820    208:3947    209:3688    210:3131   
 211:1624    212:2216    213:1973    214:882     215:83      216:5455   
 217:1687    218:604     219:347     220:1268    221:593     222:334    
 223:577    

End of report




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