[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 15 18:33:34 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 16 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 446141
Prefixes after maximum aggregation: 183411
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 219000
Total ASes present in the Internet Routing Table: 43592
Prefixes per ASN: 10.23
Origin-only ASes present in the Internet Routing Table: 34340
Origin ASes announcing only one prefix: 16000
Transit ASes present in the Internet Routing Table: 5778
Transit-only ASes present in the Internet Routing Table: 138
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 365
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 4617
Number of 32-bit ASNs visible in the Routing Table: 3474
Prefixes from 32-bit ASNs in the Routing Table: 9765
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 193
Number of addresses announced to Internet: 2622922540
Equivalent to 156 /8s, 86 /16s and 159 /24s
Percentage of available address space announced: 70.8
Percentage of allocated address space announced: 70.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.3
Total number of prefixes smaller than registry allocations: 157616
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107214
Total APNIC prefixes after maximum aggregation: 33202
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 108369
Unique aggregates announced from the APNIC address blocks: 44091
APNIC Region origin ASes present in the Internet Routing Table: 4822
APNIC Prefixes per ASN: 22.47
APNIC Region origin ASes announcing only one prefix: 1236
APNIC Region transit ASes present in the Internet Routing Table: 813
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 463
Number of APNIC addresses announced to Internet: 719165984
Equivalent to 42 /8s, 221 /16s and 154 /24s
Percentage of available APNIC address space announced: 84.1
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: 156902
Total ARIN prefixes after maximum aggregation: 79295
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157573
Unique aggregates announced from the ARIN address blocks: 71631
ARIN Region origin ASes present in the Internet Routing Table: 15548
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5877
ARIN Region transit ASes present in the Internet Routing Table: 1605
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1078444672
Equivalent to 64 /8s, 71 /16s and 194 /24s
Percentage of available ARIN address space announced: 57.1
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: 114320
Total RIPE prefixes after maximum aggregation: 59078
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117687
Unique aggregates announced from the RIPE address blocks: 75598
RIPE Region origin ASes present in the Internet Routing Table: 17108
RIPE Prefixes per ASN: 6.88
RIPE Region origin ASes announcing only one prefix: 8160
RIPE Region transit ASes present in the Internet Routing Table: 2797
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2235
Number of RIPE addresses announced to Internet: 654497124
Equivalent to 39 /8s, 2 /16s and 213 /24s
Percentage of available RIPE address space announced: 95.1
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: 47191
Total LACNIC prefixes after maximum aggregation: 9353
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 51088
Unique aggregates announced from the LACNIC address blocks: 23778
LACNIC Region origin ASes present in the Internet Routing Table: 1867
LACNIC Prefixes per ASN: 27.36
LACNIC Region origin ASes announcing only one prefix: 546
LACNIC Region transit ASes present in the Internet Routing Table: 346
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: 751
Number of LACNIC addresses announced to Internet: 124810280
Equivalent to 7 /8s, 112 /16s and 116 /24s
Percentage of available LACNIC address space announced: 74.4
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: 10622
Total AfriNIC prefixes after maximum aggregation: 2433
AfriNIC Deaggregation factor: 4.37
Prefixes being announced from the AfriNIC address blocks: 11231
Unique aggregates announced from the AfriNIC address blocks: 3727
AfriNIC Region origin ASes present in the Internet Routing Table: 606
AfriNIC Prefixes per ASN: 18.53
AfriNIC Region origin ASes announcing only one prefix: 181
AfriNIC Region transit ASes present in the Internet Routing Table: 130
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: 7
Number of AfriNIC addresses announced to Internet: 45651456
Equivalent to 2 /8s, 184 /16s and 150 /24s
Percentage of available AfriNIC address space announced: 45.4
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 2925 11558 922 Korea Telecom (KIX)
17974 2504 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1833 301 89 TPG Internet Pty Ltd
4755 1719 392 196 TATA Communications formerly
9829 1450 1157 42 BSNL National Internet Backbo
9583 1287 98 535 Sify Limited
7552 1161 1070 12 Vietel Corporation
4808 1116 2054 321 CNCGROUP IP network: China169
9498 1067 310 75 BHARTI Airtel Ltd.
24560 1058 385 161 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 3042 3695 94 bellsouth.net, inc.
7029 2229 1266 215 Windstream Communications Inc
18566 2081 382 185 Covad Communications
22773 1995 2929 125 Cox Communications, Inc.
1785 1959 677 123 PaeTec Communications, Inc.
20115 1681 1611 623 Charter Communications
4323 1613 1139 401 Time Warner Telecom
30036 1334 293 690 Mediacom Communications Corp
7018 1306 10809 852 AT&T WorldNet Services
11492 1210 222 329 Cable One
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 1869 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1105 233 204 BILISIM TELEKOM
12479 840 786 66 Uni2 Autonomous System
13188 839 99 30 Educational Network
20940 791 275 627 Akamai Technologies European
31148 776 40 20 FreeNet ISP
6830 715 2314 436 UPC Distribution Services
8551 714 370 43 Bezeq International
58113 664 73 386 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
28573 2421 1335 88 NET Servicos de Comunicao S.A
10620 2352 405 232 TVCABLE BOGOTA
7303 1672 1148 208 Telecom Argentina Stet-France
8151 1344 2722 393 UniNet S.A. de C.V.
6503 1155 434 66 AVANTEL, S.A.
14754 944 128 86 Telgua S. A.
18881 829 716 18 Global Village Telecom
27947 790 87 99 Telconet S.A
3816 690 306 85 Empresa Nacional de Telecomun
7738 650 1306 35 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
36998 1286 80 4 MOBITEL
24863 894 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 510 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 190 698 88 MTN Network Solutions
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 3042 3695 94 bellsouth.net, inc.
4766 2925 11558 922 Korea Telecom (KIX)
17974 2504 840 86 PT TELEKOMUNIKASI INDONESIA
28573 2421 1335 88 NET Servicos de Comunicao S.A
10620 2352 405 232 TVCABLE BOGOTA
7029 2229 1266 215 Windstream Communications Inc
18566 2081 382 185 Covad Communications
22773 1995 2929 125 Cox Communications, Inc.
1785 1959 677 123 PaeTec Communications, Inc.
8402 1869 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 2504 2418 PT TELEKOMUNIKASI INDONESIA
28573 2421 2333 NET Servicos de Comunicao S.A
10620 2352 2120 TVCABLE BOGOTA
7029 2229 2014 Windstream Communications Inc
4766 2925 2003 Korea Telecom (KIX)
18566 2081 1896 Covad Communications
22773 1995 1870 Cox Communications, Inc.
8402 1869 1853 Corbina telecom
1785 1959 1836 PaeTec Communications, Inc.
7545 1833 1744 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
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 mywire Datentechnik GmbH
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 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 /8:17 /9:13 /10:29 /11:88 /12:248
/13:483 /14:872 /15:1563 /16:12651 /17:6623 /18:10871
/19:21727 /20:31631 /21:33541 /22:46032 /23:41585 /24:233871
/25:1382 /26:1765 /27:858 /28:181 /29:73 /30:17
/31:0 /32:20
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2031 2081 Covad Communications
6389 1745 3042 bellsouth.net, inc.
7029 1609 2229 Windstream Communications Inc
8402 1591 1869 Corbina telecom
22773 1306 1995 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1217 1334 Mediacom Communications Corp
11492 1172 1210 Cable One
1785 1039 1959 PaeTec Communications, Inc.
7011 950 1198 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:722 2:789 3:3 4:13 5:704 6:3
8:509 12:1932 13:3 14:757 15:11 16:3
17:8 20:24 23:239 24:1799 27:1415 31:1178
32:44 33:2 34:5 36:27 37:1434 38:860
39:2 40:159 41:2725 42:177 44:4 46:1746
47:2 49:610 50:664 52:12 54:28 55:10
57:28 58:1091 59:579 60:297 61:1386 62:1001
63:2042 64:4297 65:2175 66:4271 67:2055 68:1110
69:3266 70:881 71:523 72:1898 74:2558 75:400
76:288 77:1087 78:1027 79:575 80:1236 81:976
82:644 83:558 84:559 85:1165 86:473 87:948
88:381 89:1771 90:262 91:5427 92:614 93:1714
94:1865 95:1549 96:497 97:336 98:1050 99:41
100:29 101:307 103:2284 105:517 106:131 107:207
108:515 109:1810 110:846 111:1037 112:496 113:766
114:690 115:973 116:877 117:806 118:997 119:1268
120:377 121:781 122:1734 123:1189 124:1324 125:1315
128:544 129:221 130:323 131:648 132:333 133:143
134:256 135:60 136:221 137:241 138:343 139:179
140:199 141:312 142:532 143:371 144:489 145:89
146:522 147:356 148:703 149:357 150:157 151:449
152:411 153:196 154:32 155:379 156:250 157:392
158:266 159:714 160:335 161:425 162:376 163:206
164:580 165:454 166:394 167:573 168:1017 169:130
170:1023 171:168 172:4 173:1588 174:574 175:434
176:1182 177:1814 178:1772 179:1 180:1380 181:280
182:1200 183:341 184:661 185:294 186:2351 187:1263
188:1921 189:1419 190:6616 192:6407 193:5675 194:4519
195:3470 196:1305 197:890 198:4203 199:5238 200:6017
201:2241 202:8918 203:8711 204:4499 205:2579 206:2785
207:2803 208:4072 209:3546 210:2913 211:1552 212:1999
213:1938 214:917 215:96 216:5190 217:1587 218:605
219:337 220:1263 221:538 222:312 223:482
End of report
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