[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 18 18:32:38 UTC 2013
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 19 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 438891
Prefixes after maximum aggregation: 181575
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 216035
Total ASes present in the Internet Routing Table: 43066
Prefixes per ASN: 10.19
Origin-only ASes present in the Internet Routing Table: 34033
Origin ASes announcing only one prefix: 15897
Transit ASes present in the Internet Routing Table: 5730
Transit-only ASes present in the Internet Routing Table: 135
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 32
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 378
Unregistered ASNs in the Routing Table: 127
Number of 32-bit ASNs allocated by the RIRs: 3668
Number of 32-bit ASNs visible in the Routing Table: 3303
Prefixes from 32-bit ASNs in the Routing Table: 9072
Special use prefixes present in the Routing Table: 16
Prefixes being announced from unallocated address space: 190
Number of addresses announced to Internet: 2628231852
Equivalent to 156 /8s, 167 /16s and 162 /24s
Percentage of available address space announced: 71.0
Percentage of allocated address space announced: 71.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.1
Total number of prefixes smaller than registry allocations: 154509
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105723
Total APNIC prefixes after maximum aggregation: 32993
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 106736
Unique aggregates announced from the APNIC address blocks: 43694
APNIC Region origin ASes present in the Internet Routing Table: 4816
APNIC Prefixes per ASN: 22.16
APNIC Region origin ASes announcing only one prefix: 1244
APNIC Region transit ASes present in the Internet Routing Table: 811
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 411
Number of APNIC addresses announced to Internet: 717390240
Equivalent to 42 /8s, 194 /16s and 129 /24s
Percentage of available APNIC address space announced: 83.8
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
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: 155380
Total ARIN prefixes after maximum aggregation: 78597
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156021
Unique aggregates announced from the ARIN address blocks: 70747
ARIN Region origin ASes present in the Internet Routing Table: 15392
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5807
ARIN Region transit ASes present in the Internet Routing Table: 1589
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1091767936
Equivalent to 65 /8s, 19 /16s and 14 /24s
Percentage of available ARIN address space announced: 57.8
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, 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: 112910
Total RIPE prefixes after maximum aggregation: 58438
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 115981
Unique aggregates announced from the RIPE address blocks: 74317
RIPE Region origin ASes present in the Internet Routing Table: 17025
RIPE Prefixes per ASN: 6.81
RIPE Region origin ASes announcing only one prefix: 8151
RIPE Region transit ASes present in the Internet Routing Table: 2782
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2132
Number of RIPE addresses announced to Internet: 653036644
Equivalent to 38 /8s, 236 /16s and 140 /24s
Percentage of available RIPE address space announced: 94.9
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, 196608-199679
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: 45853
Total LACNIC prefixes after maximum aggregation: 9114
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 49564
Unique aggregates announced from the LACNIC address blocks: 23413
LACNIC Region origin ASes present in the Internet Routing Table: 1778
LACNIC Prefixes per ASN: 27.88
LACNIC Region origin ASes announcing only one prefix: 512
LACNIC Region transit ASes present in the Internet Routing Table: 332
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 738
Number of LACNIC addresses announced to Internet: 121459752
Equivalent to 7 /8s, 61 /16s and 84 /24s
Percentage of available LACNIC address space announced: 72.4
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 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: 9826
Total AfriNIC prefixes after maximum aggregation: 2381
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 10399
Unique aggregates announced from the AfriNIC address blocks: 3695
AfriNIC Region origin ASes present in the Internet Routing Table: 587
AfriNIC Prefixes per ASN: 17.72
AfriNIC Region origin ASes announcing only one prefix: 183
AfriNIC Region transit ASes present in the Internet Routing Table: 127
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: 5
Number of AfriNIC addresses announced to Internet: 44219904
Equivalent to 2 /8s, 162 /16s and 190 /24s
Percentage of available AfriNIC address space announced: 43.9
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 2939 11556 920 Korea Telecom (KIX)
17974 2474 829 53 PT TELEKOMUNIKASI INDONESIA
7545 1818 301 86 TPG Internet Pty Ltd
4755 1668 381 175 TATA Communications formerly
9829 1425 1156 42 BSNL National Internet Backbo
9583 1201 89 502 Sify Limited
7552 1147 1070 12 Vietel Corporation
4808 1125 2040 316 CNCGROUP IP network: China169
9498 1050 310 74 BHARTI Airtel Ltd.
24560 1037 385 160 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 3107 3700 125 bellsouth.net, inc.
7029 2286 1265 212 Windstream Communications Inc
18566 2081 382 180 Covad Communications
22773 1960 2931 128 Cox Communications, Inc.
1785 1947 678 124 PaeTec Communications, Inc.
20115 1686 1606 626 Charter Communications
4323 1601 1155 395 Time Warner Telecom
30036 1348 287 698 Mediacom Communications Corp
7018 1298 10550 860 AT&T WorldNet Services
7011 1206 321 685 Citizens Utilities
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 1836 544 16 Corbina telecom
2118 1432 97 13 EUnet/RELCOM Autonomous Syste
34984 917 227 211 BILISIM TELEKOM
12479 833 778 65 Uni2 Autonomous System
13188 784 96 91 Educational Network
31148 744 38 14 FreeNet ISP
20940 724 242 574 Akamai Technologies European
6830 713 2313 434 UPC Distribution Services
8551 653 367 39 Bezeq International
58113 633 70 378 LIR DATACENTER TELECOM SRL
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
10620 2290 391 229 TVCABLE BOGOTA
28573 2267 1302 78 NET Servicos de Comunicao S.A
7303 1670 1139 204 Telecom Argentina Stet-France
8151 1532 2877 364 UniNet S.A. de C.V.
6503 1454 435 67 AVANTEL, S.A.
27947 771 85 96 Telconet S.A
18881 741 716 18 Global Village Telecom
3816 672 306 85 Empresa Nacional de Telecomun
11172 603 86 67 Servicios Alestra S.A de C.V
7738 587 1242 34 Telecomunicacoes da Bahia S.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
24863 890 275 36 LINKdotNET AS number
36998 774 80 4 MOBITEL
8452 545 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 282 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
12258 193 28 67 Vodacom Internet Company
16637 192 696 91 MTN Network Solutions
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 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
6389 3107 3700 125 bellsouth.net, inc.
4766 2939 11556 920 Korea Telecom (KIX)
17974 2474 829 53 PT TELEKOMUNIKASI INDONESIA
10620 2290 391 229 TVCABLE BOGOTA
7029 2286 1265 212 Windstream Communications Inc
28573 2267 1302 78 NET Servicos de Comunicao S.A
18566 2081 382 180 Covad Communications
22773 1960 2931 128 Cox Communications, Inc.
1785 1947 678 124 PaeTec Communications, Inc.
8402 1836 544 16 Corbina 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
17974 2474 2421 PT TELEKOMUNIKASI INDONESIA
28573 2267 2189 NET Servicos de Comunicao S.A
7029 2286 2074 Windstream Communications Inc
10620 2290 2061 TVCABLE BOGOTA
4766 2939 2019 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
22773 1960 1832 Cox Communications, Inc.
1785 1947 1823 PaeTec Communications, Inc.
8402 1836 1820 Corbina telecom
7545 1818 1732 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
26064 UNALLOCATED 12.149.37.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/24 2876 Jump Management SRL
128.0.24.0/21 41794 Altline LLC
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.112.114.0/24 23884 Proimage Engineering and Comm
31.210.16.0/22 15657 Neural Networks ASN
41.222.80.0/21 37110 Moztel LDA
62.12.96.0/19 38478 SunnyVision Limited
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks 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 /8:18 /9:13 /10:29 /11:88 /12:246
/13:479 /14:864 /15:1555 /16:12524 /17:6581 /18:10940
/19:21637 /20:31137 /21:33145 /22:44518 /23:40787 /24:230150
/25:1317 /26:1698 /27:870 /28:182 /29:74 /30:17
/31:0 /32:22
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2031 2081 Covad Communications
6389 1771 3107 bellsouth.net, inc.
7029 1643 2286 Windstream Communications Inc
8402 1549 1836 Corbina telecom
22773 1293 1960 Cox Communications, Inc.
30036 1245 1348 Mediacom Communications Corp
11492 1157 1194 Cable One
1785 1029 1947 PaeTec Communications, Inc.
6503 980 1454 AVANTEL, S.A.
7011 955 1206 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:697 2:767 3:3 4:13 5:721 6:3
8:488 12:1928 13:3 14:710 15:11 16:3
17:8 20:27 23:224 24:1800 27:1483 31:1121
32:54 33:2 34:3 36:9 37:1175 38:843
39:2 40:138 41:2668 42:180 44:3 46:1736
47:1 49:536 50:652 52:12 54:28 55:7
57:28 58:1075 59:560 60:242 61:1316 62:1019
63:2050 64:4303 65:2163 66:4315 67:2086 68:1120
69:3253 70:859 71:537 72:1879 74:2545 75:418
76:297 77:1020 78:1026 79:536 80:1229 81:986
82:662 83:537 84:529 85:1157 86:470 87:969
88:364 89:1728 90:283 91:5397 92:608 93:1652
94:1984 95:1519 96:487 97:338 98:1055 99:52
100:31 101:298 103:2019 105:528 106:129 107:208
108:503 109:1726 110:844 111:996 112:467 113:749
114:684 115:926 116:905 117:782 118:964 119:1284
120:328 121:700 122:1730 123:1180 124:1324 125:1297
128:564 129:201 130:308 131:642 132:326 133:142
134:255 135:62 136:218 137:232 138:340 139:159
140:216 141:311 142:519 143:366 144:481 145:89
146:525 147:329 148:733 149:335 150:159 151:257
152:399 153:188 154:24 155:417 156:234 157:385
158:257 159:698 160:335 161:411 162:366 163:195
164:585 165:459 166:457 167:571 168:1005 169:131
170:993 171:162 172:4 173:1551 174:755 175:422
176:1036 177:1584 178:1678 180:1342 181:211 182:1165
183:313 184:633 185:169 186:2227 187:1463 188:1892
189:1562 190:6371 192:6157 193:5849 194:4671 195:3658
196:1247 197:316 198:4082 199:5173 200:5977 201:2143
202:8800 203:8744 204:4467 205:2548 206:2794 207:2785
208:4071 209:3519 210:2907 211:1561 212:1999 213:1878
214:899 215:91 216:5060 217:1578 218:599 219:325
220:1266 221:528 222:324 223:401
End of report
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