[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 6 18:47:53 UTC 2012
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 07 Apr, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 404580
Prefixes after maximum aggregation: 171963
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 196184
Total ASes present in the Internet Routing Table: 40624
Prefixes per ASN: 9.96
Origin-only ASes present in the Internet Routing Table: 32993
Origin ASes announcing only one prefix: 15464
Transit ASes present in the Internet Routing Table: 5440
Transit-only ASes present in the Internet Routing Table: 139
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 32
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 670
Unregistered ASNs in the Routing Table: 296
Number of 32-bit ASNs allocated by the RIRs: 2347
Number of 32-bit ASNs visible in the Routing Table: 2191
Prefixes from 32-bit ASNs in the Routing Table: 5373
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 1411
Number of addresses announced to Internet: 2533675600
Equivalent to 151 /8s, 4 /16s and 210 /24s
Percentage of available address space announced: 68.4
Percentage of allocated address space announced: 68.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.1
Total number of prefixes smaller than registry allocations: 171899
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99031
Total APNIC prefixes after maximum aggregation: 32155
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 95427
Unique aggregates announced from the APNIC address blocks: 39280
APNIC Region origin ASes present in the Internet Routing Table: 4678
APNIC Prefixes per ASN: 20.40
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 730
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 172
Number of APNIC addresses announced to Internet: 642926944
Equivalent to 38 /8s, 82 /16s and 73 /24s
Percentage of available APNIC address space announced: 81.5
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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, 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: 149419
Total ARIN prefixes after maximum aggregation: 75874
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120748
Unique aggregates announced from the ARIN address blocks: 50004
ARIN Region origin ASes present in the Internet Routing Table: 14948
ARIN Prefixes per ASN: 8.08
ARIN Region origin ASes announcing only one prefix: 5685
ARIN Region transit ASes present in the Internet Routing Table: 1571
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 805818560
Equivalent to 48 /8s, 7 /16s and 208 /24s
Percentage of available ARIN address space announced: 64.0
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, 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, 173/8,
174/8, 184/8, 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: 100976
Total RIPE prefixes after maximum aggregation: 53317
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 92174
Unique aggregates announced from the RIPE address blocks: 57205
RIPE Region origin ASes present in the Internet Routing Table: 16359
RIPE Prefixes per ASN: 5.63
RIPE Region origin ASes announcing only one prefix: 7947
RIPE Region transit ASes present in the Internet Routing Table: 2636
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1480
Number of RIPE addresses announced to Internet: 502244616
Equivalent to 29 /8s, 239 /16s and 165 /24s
Percentage of available RIPE address space announced: 80.9
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
196608-198655
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,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 40366
Total LACNIC prefixes after maximum aggregation: 8212
LACNIC Deaggregation factor: 4.92
Prefixes being announced from the LACNIC address blocks: 39937
Unique aggregates announced from the LACNIC address blocks: 19771
LACNIC Region origin ASes present in the Internet Routing Table: 1569
LACNIC Prefixes per ASN: 25.45
LACNIC Region origin ASes announcing only one prefix: 431
LACNIC Region transit ASes present in the Internet Routing Table: 295
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 517
Number of LACNIC addresses announced to Internet: 98728072
Equivalent to 5 /8s, 226 /16s and 120 /24s
Percentage of available LACNIC address space announced: 65.4
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,
200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 8950
Total AfriNIC prefixes after maximum aggregation: 2118
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 7001
Unique aggregates announced from the AfriNIC address blocks: 2160
AfriNIC Region origin ASes present in the Internet Routing Table: 526
AfriNIC Prefixes per ASN: 13.31
AfriNIC Region origin ASes announcing only one prefix: 164
AfriNIC Region transit ASes present in the Internet Routing Table: 118
Average AfriNIC Region AS path length visible: 4.5
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: 31531520
Equivalent to 1 /8s, 225 /16s and 34 /24s
Percentage of available AfriNIC address space announced: 47.0
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2476 11110 997 Korea Telecom (KIX)
17974 1782 503 63 PT TELEKOMUNIKASI INDONESIA
7545 1658 301 85 TPG Internet Pty Ltd
4755 1575 386 157 TATA Communications formerly
9583 1237 94 541 Sify Limited
9829 1235 1041 30 BSNL National Internet Backbo
7552 1167 1062 11 Vietel Corporation
4808 1105 2050 316 CNCGROUP IP network: China169
24560 1021 385 167 Bharti Airtel Ltd., Telemedia
18101 947 131 159 Reliance Infocom Ltd Internet
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 3432 3807 196 bellsouth.net, inc.
7029 3381 990 156 Windstream Communications Inc
18566 2092 383 179 Covad Communications
1785 1893 680 129 PaeTec Communications, Inc.
20115 1637 1561 617 Charter Communications
4323 1598 1044 380 Time Warner Telecom
22773 1568 2910 111 Cox Communications, Inc.
30036 1461 265 742 Mediacom Communications Corp
7018 1279 9774 828 AT&T WorldNet Services
11492 1185 216 365 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 1773 544 16 Corbina telecom
2118 1394 97 14 EUnet/RELCOM Autonomous Syste
31148 679 37 9 FreeNet ISP
34984 676 188 173 BILISIM TELEKOM
12479 656 658 57 Uni2 Autonomous System
20940 651 206 500 Akamai Technologies European
6830 639 1943 410 UPC Distribution Services
8551 574 360 81 Bezeq International
3320 532 8442 398 Deutsche Telekom AG
2578 501 33 7 Demos, Moscow, Russia
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 1794 326 167 TVCABLE BOGOTA
28573 1773 1105 61 NET Servicos de Comunicao S.A
6503 1531 418 64 AVANTEL, S.A.
8151 1481 2998 354 UniNet S.A. de C.V.
7303 1353 827 189 Telecom Argentina Stet-France
26615 847 697 32 Tim Brasil S.A.
27947 687 74 102 Telconet S.A
11172 637 107 74 Servicios Alestra S.A de C.V
22047 584 326 15 VTR PUNTO NET S.A.
3816 570 242 100 Empresa Nacional de Telecomun
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
8452 1305 958 13 TEDATA
24863 848 274 35 LINKdotNET AS number
6713 493 649 18 Itissalat Al-MAGHRIB
3741 266 921 224 The Internet Solution
33776 208 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
24835 178 80 8 RAYA Telecom - Egypt
15706 168 32 6 Sudatel Internet Exchange Aut
16637 165 666 83 MTN Network Solutions
29571 161 15 16 Ci Telecom Autonomous system
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 3432 3807 196 bellsouth.net, inc.
7029 3381 990 156 Windstream Communications Inc
4766 2476 11110 997 Korea Telecom (KIX)
18566 2092 383 179 Covad Communications
1785 1893 680 129 PaeTec Communications, Inc.
10620 1794 326 167 TVCABLE BOGOTA
17974 1782 503 63 PT TELEKOMUNIKASI INDONESIA
8402 1773 544 16 Corbina telecom
28573 1773 1105 61 NET Servicos de Comunicao S.A
7545 1658 301 85 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7029 3381 3225 Windstream Communications Inc
18566 2092 1913 Covad Communications
1785 1893 1764 PaeTec Communications, Inc.
8402 1773 1757 Corbina telecom
17974 1782 1719 PT TELEKOMUNIKASI INDONESIA
28573 1773 1712 NET Servicos de Comunicao S.A
10620 1794 1627 TVCABLE BOGOTA
7545 1658 1573 TPG Internet Pty Ltd
4766 2476 1479 Korea Telecom (KIX)
6503 1531 1467 AVANTEL, S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
54439 UNALLOCATED 8.25.174.0/24 17378 DBS International
54470 UNALLOCATED 8.30.171.0/24 3356 Level 3 Communicatio
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 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 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
23.27.0.0/20 54500 EGIHosting
23.27.16.0/20 54500 EGIHosting
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 /8:19 /9:12 /10:28 /11:81 /12:235
/13:459 /14:832 /15:1485 /16:12182 /17:6284 /18:10499
/19:20616 /20:28820 /21:29800 /22:40437 /23:37608 /24:211529
/25:1182 /26:1430 /27:784 /28:163 /29:59 /30:17
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3040 3381 Windstream Communications Inc
6389 2149 3432 bellsouth.net, inc.
18566 2041 2092 Covad Communications
8402 1750 1773 Corbina telecom
10620 1689 1794 TVCABLE BOGOTA
30036 1401 1461 Mediacom Communications Corp
6503 1290 1531 AVANTEL, S.A.
11492 1148 1185 Cable One
8452 1114 1305 TEDATA
1785 1067 1893 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:532 2:754 4:14 6:3 8:396 12:1999
13:1 14:599 15:12 16:3 17:7 20:8
23:161 24:1768 27:1267 31:966 32:58 33:2
34:2 36:8 37:319 38:786 40:120 41:3114
42:129 44:3 46:1467 47:3 49:350 50:536
52:13 54:7 55:9 56:3 57:31 58:958
59:494 60:280 61:1203 62:973 63:1997 64:4167
65:2260 66:4500 67:2017 68:1152 69:3172 70:908
71:467 72:1833 74:2599 75:494 76:313 77:968
78:1006 79:498 80:1210 81:899 82:662 83:548
84:489 85:1195 86:404 87:908 88:351 89:1635
90:297 91:4683 92:520 93:1375 94:1476 95:1137
96:378 97:318 98:880 99:37 100:6 101:167
103:956 106:74 107:181 108:229 109:1272 110:757
111:900 112:448 113:590 114:621 115:796 116:911
117:721 118:903 119:1209 120:341 121:695 122:1667
123:1104 124:1368 125:1249 128:558 129:190 130:257
131:596 132:173 133:21 134:244 135:62 136:207
137:176 138:354 139:145 140:494 141:243 142:386
143:399 144:512 145:64 146:481 147:272 148:765
149:299 150:159 151:176 152:462 153:172 154:7
155:428 156:216 157:379 158:175 159:522 160:342
161:256 162:347 163:189 164:572 165:388 166:562
167:464 168:820 169:127 170:844 171:126 172:4
173:1735 174:576 175:429 176:459 177:640 178:1317
180:1181 181:73 182:787 183:284 184:451 185:1
186:2118 187:1029 188:1184 189:1792 190:5459 192:5990
193:5599 194:4615 195:3600 196:1291 197:129 198:3630
199:4481 200:5785 201:1902 202:8477 203:8590 204:4339
205:2484 206:2746 207:2783 208:4062 209:3581 210:2749
211:1476 212:1993 213:1907 214:886 215:109 216:5078
217:1521 218:542 219:323 220:1228 221:554 222:322
223:331
End of report
More information about the afnog
mailing list