Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri May 30 18:11:41 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 31 May, 2014

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

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

BGP routing table entries examined:                              496757
    Prefixes after maximum aggregation:                          194283
    Deaggregation factor:                                          2.56
    Unique aggregates announced to Internet:                     245269
Total ASes present in the Internet Routing Table:                 46953
    Prefixes per ASN:                                             10.58
Origin-only ASes present in the Internet Routing Table:           35820
Origin ASes announcing only one prefix:                           16321
Transit ASes present in the Internet Routing Table:                6117
Transit-only ASes present in the Internet Routing Table:            171
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:              1760
    Unregistered ASNs in the Routing Table:                         454
Number of 32-bit ASNs allocated by the RIRs:                       6751
Number of 32-bit ASNs visible in the Routing Table:                5016
Prefixes from 32-bit ASNs in the Routing Table:                   17046
Number of bogon 32-bit ASNs visible in the Routing Table:           182
Special use prefixes present in the Routing Table:                   14
Prefixes being announced from unallocated address space:            426
Number of addresses announced to Internet:                   2691437568
    Equivalent to 160 /8s, 108 /16s and 20 /24s
    Percentage of available address space announced:               72.7
    Percentage of allocated address space announced:               72.7
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               96.5
Total number of prefixes smaller than registry allocations:      172289

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

Prefixes being announced by APNIC Region ASes:                   118346
    Total APNIC prefixes after maximum aggregation:               35205
    APNIC Deaggregation factor:                                    3.36
Prefixes being announced from the APNIC address blocks:          121399
    Unique aggregates announced from the APNIC address blocks:    50818
APNIC Region origin ASes present in the Internet Routing Table:    4941
    APNIC Prefixes per ASN:                                       24.57
APNIC Region origin ASes announcing only one prefix:               1229
APNIC Region transit ASes present in the Internet Routing Table:    868
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         24
Number of APNIC region 32-bit ASNs visible in the Routing Table:    960
Number of APNIC addresses announced to Internet:              733707136
    Equivalent to 43 /8s, 187 /16s and 123 /24s
    Percentage of available APNIC address space announced:         85.7

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:                    168392
    Total ARIN prefixes after maximum aggregation:                83486
    ARIN Deaggregation factor:                                     2.02
Prefixes being announced from the ARIN address blocks:           170004
    Unique aggregates announced from the ARIN address blocks:     79409
ARIN Region origin ASes present in the Internet Routing Table:    16285
    ARIN Prefixes per ASN:                                        10.44
ARIN Region origin ASes announcing only one prefix:                6114
ARIN Region transit ASes present in the Internet Routing Table:    1685
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:     112
Number of ARIN addresses announced to Internet:              1076222976
    Equivalent to 64 /8s, 37 /16s and 220 /24s
    Percentage of available ARIN address space announced:          56.9

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:                    123795
    Total RIPE prefixes after maximum aggregation:                62795
    RIPE Deaggregation factor:                                     1.97
Prefixes being announced from the RIPE address blocks:           128358
    Unique aggregates announced from the RIPE address blocks:     81051
RIPE Region origin ASes present in the Internet Routing Table:    17694
    RIPE Prefixes per ASN:                                         7.25
RIPE Region origin ASes announcing only one prefix:                8248
RIPE Region transit ASes present in the Internet Routing Table:    2883
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:    2714
Number of RIPE addresses announced to Internet:               658556544
    Equivalent to 39 /8s, 64 /16s and 198 /24s
    Percentage of available RIPE address space announced:          95.7

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, 196608-202239
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:                   57046
    Total LACNIC prefixes after maximum aggregation:              10096
    LACNIC Deaggregation factor:                                   5.65
Prefixes being announced from the LACNIC address blocks:          63836
    Unique aggregates announced from the LACNIC address blocks:   29229
LACNIC Region origin ASes present in the Internet Routing Table:   2102
    LACNIC Prefixes per ASN:                                      30.37
LACNIC Region origin ASes announcing only one prefix:               531
LACNIC Region transit ASes present in the Internet Routing Table:   438
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        25
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  1198
Number of LACNIC addresses announced to Internet:             164221696
    Equivalent to 9 /8s, 201 /16s and 211 /24s
    Percentage of available LACNIC address space announced:        97.9

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:                  12030
    Total AfriNIC prefixes after maximum aggregation:              2664
    AfriNIC Deaggregation factor:                                  4.52
Prefixes being announced from the AfriNIC address blocks:         12734
    Unique aggregates announced from the AfriNIC address blocks:   4382
AfriNIC Region origin ASes present in the Internet Routing Table:   719
    AfriNIC Prefixes per ASN:                                     17.71
AfriNIC Region origin ASes announcing only one prefix:              199
AfriNIC Region transit ASes present in the Internet Routing Table:  156
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   32
Number of AfriNIC addresses announced to Internet:             56025600
    Equivalent to 3 /8s, 86 /16s and 226 /24s
    Percentage of available AfriNIC address space announced:       55.7

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     2940      11591         922   Korea Telecom
17974     2793        899          72   PT Telekomunikasi Indonesia
 7545     2233        320         117   TPG Telecom Limited
 4755     1855        396         199   TATA Communications formerly 
 9829     1652       1307          32   National Internet Backbone
 9583     1302        101         535   Sify Limited
 9498     1260        314          84   BHARTI Airtel Ltd.
 7552     1234       1090          14   Viettel Corporation
 4808     1216       2148         360   CNCGROUP IP network China169 
24560     1144        393         188   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     2960       3688          53   BellSouth.net Inc.
22773     2438       2937         134   Cox Communications Inc.
 1785     2146        684         138   PaeTec Communications, Inc.
18566     2047        379         178   MegaPath Corporation
20115     1703       1687         571   Charter Communications
 4323     1631       1073         414   tw telecom holdings, inc.
  701     1447      11189         733   MCI Communications Services, 
30036     1417        310         546   Mediacom Communications Corp
 6983     1325        800         306   ITC^Deltacom
22561     1307        402         232   CenturyTel Internet Holdings,

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
34984     1706        264         275   TELLCOM ILETISIM HIZMETLERI A
 8402     1461        544          16   OJSC "Vimpelcom"
20940     1385        535        1030   Akamai International B.V.
13188     1031        100          28   TOV "Bank-Inform"
31148     1018         45          19   Freenet Ltd.
 8551      956        370          40   Bezeq International-Ltd
 6849      823        357          28   JSC "Ukrtelecom"
 6830      759       2333         420   Liberty Global Operations B.V
12479      730        795          57   France Telecom Espana SA
 9198      576        344          28   JSC Kazakhtelecom

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     3808       1996         100   NET Serviços de Comunicação S
10620     2874        464         191   Telmex Colombia S.A.
18881     2015        972          21   Global Village Telecom
 7303     1760       1175         229   Telecom Argentina S.A.
 8151     1408       2949         410   Uninet S.A. de C.V.
 6503     1105        434          61   Axtel, S.A.B. de C.V.
 7738      979       1882          41   Telemar Norte Leste S.A.
27947      885        114          50   Telconet S.A
26615      861       2325          35   Tim Celular S.A.
 3816      827        339         137   COLOMBIA TELECOMUNICACIONES S

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     1114        240           6   Sudanese Mobile Telephone (ZA
24863      961        280          26   Link Egypt (Link.NET)
 6713      615        727          32   Office National des Postes et
 8452      587        958          13   TE-AS
24835      304        144           9   Vodafone Data
36992      300        783          24   ETISALAT MISR
37054      250         19           6   Data Telecom Service
 3741      248        921         209   Internet Solutions
29571      225         22          16   Cote d'Ivoire Telecom
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     3808       1996         100   NET Serviços de Comunicação S
 6389     2960       3688          53   BellSouth.net Inc.
 4766     2940      11591         922   Korea Telecom
10620     2874        464         191   Telmex Colombia S.A.
17974     2793        899          72   PT Telekomunikasi Indonesia
22773     2438       2937         134   Cox Communications Inc.
 7545     2233        320         117   TPG Telecom Limited
 1785     2146        684         138   PaeTec Communications, Inc.
18566     2047        379         178   MegaPath Corporation
18881     2015        972          21   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      2960        2907      BellSouth.net Inc.
17974      2793        2721      PT Telekomunikasi Indonesia
10620      2874        2683      Telmex Colombia S.A.
22773      2438        2304      Cox Communications Inc.
 7545      2233        2116      TPG Telecom Limited
 4766      2940        2018      Korea Telecom
 1785      2146        2008      PaeTec Communications, Inc.
18881      2015        1994      Global Village Telecom
18566      2047        1869      MegaPath Corporation
 4755      1855        1656      TATA Communications formerly 

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

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

Bad AS  Designation  Network              Transit AS  Description
65456   PRIVATE      5.109.32.0/19        23456       32bit Transition AS
65456   PRIVATE      5.109.96.0/19        23456       32bit Transition AS
30662   UNALLOCATED  8.2.129.0/24          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
22511   UNALLOCATED  8.28.225.0/24         2828       XO Communications
22511   UNALLOCATED  8.36.68.0/24          2828       XO Communications

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

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

Prefix             Origin AS  Description
100.64.111.0/24      25019     Autonomus System Number for S
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
100.96.0.0/14         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     >>UNKNOWN<<
41.73.2.0/24         37004     >>UNKNOWN<<
41.73.10.0/24        37004     >>UNKNOWN<<
41.73.11.0/24        37004     >>UNKNOWN<<
41.73.12.0/24        37004     >>UNKNOWN<<
41.73.13.0/24        37004     >>UNKNOWN<<
41.73.14.0/24        37004     >>UNKNOWN<<
41.73.15.0/24        37004     >>UNKNOWN<<
41.73.16.0/24        37004     >>UNKNOWN<<

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       /9:12      /10:30      /11:91      /12:258     
/13:489     /14:979     /15:1704    /16:12976   /17:6888    /18:11729   
/19:24495   /20:34503   /21:36968   /22:52961   /23:46528   /24:264033  
/25:774     /26:919     /27:384     /28:13      /29:5       /30:0       
/31:0       /32:2       

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

  ASN   No of nets  Total ann.   Description
18566     2002          2047      MegaPath Corporation
 6389     1694          2960      BellSouth.net Inc.
22773     1690          2438      Cox Communications Inc.
30036     1254          1417      Mediacom Communications Corp
11492     1176          1216      CABLE ONE, INC.
 1785     1167          2146      PaeTec Communications, Inc.
 8402     1161          1461      OJSC "Vimpelcom"
36998     1080          1114      Sudanese Mobile Telephone (ZA
 6983     1042          1325      ITC^Deltacom
34984     1036          1706      TELLCOM ILETISIM HIZMETLERI A

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

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

   1:1134      2:664       3:3         4:15        5:1020      6:19     
   8:745      12:1845     13:3        14:1001     15:13       16:2      
  17:34       18:21       20:38       23:885      24:1739     25:1      
  27:1767     31:1476     32:43       33:2        34:5        36:137    
  37:1900     38:950      39:7        40:202      41:3229     42:253    
  44:11       46:2097     47:21       49:704      50:936      52:12     
  54:48       55:10       57:29       58:1223     59:605      60:401    
  61:1547     62:1248     63:1961     64:4363     65:2290     66:4186   
  67:2073     68:1055     69:3333     70:857      71:438      72:2017   
  74:2653     75:324      76:421      77:1684     78:863      79:695    
  80:1289     81:1150     82:751      83:760      84:734      85:1314   
  86:461      87:1169     88:486      89:1826     90:141      91:5696   
  92:694      93:1750     94:2031     95:1511     96:526      97:363    
  98:1081     99:48      100:55      101:813     103:4982    105:539    
 106:168     107:616     108:586     109:2027    110:968     111:1302   
 112:655     113:845     114:864     115:1122    116:1074    117:943    
 118:1407    119:1387    120:390     121:824     122:2029    123:1311   
 124:1450    125:1400    128:571     129:341     130:347     131:662    
 132:404     133:163     134:319     135:74      136:259     137:296    
 138:357     139:165     140:211     141:375     142:572     143:453    
 144:507     145:104     146:621     147:472     148:909     149:361    
 150:168     151:739     152:440     153:219     154:298     155:487    
 156:343     157:336     158:244     159:896     160:329     161:558    
 162:1487    163:236     164:692     165:605     166:280     167:620    
 168:1056    169:124     170:1431    171:187     172:21      173:1648   
 174:708     175:603     176:1406    177:3083    178:2015    179:631    
 180:1741    181:1143    182:1570    183:526     184:710     185:1706   
 186:2888    187:1575    188:1935    189:1456    190:7552    191:370    
 192:7286    193:5508    194:4029    195:3502    196:1384    197:666    
 198:5076    199:5507    200:6232    201:2559    202:9017    203:8906   
 204:4583    205:2666    206:2930    207:2978    208:3992    209:3744   
 210:3093    211:1689    212:2293    213:2056    214:871     215:86     
 216:5539    217:1690    218:584     219:321     220:1284    221:613    
 222:352     223:596    

End of report


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