[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Feb 26 18:54:48 UTC 2010
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats at lists.apnic.net
For historical data, please see http://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
Routing Table Report 04:00 +10GMT Sat 27 Feb, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 312233
Prefixes after maximum aggregation: 144486
Deaggregation factor: 2.16
Unique aggregates announced to Internet: 153304
Total ASes present in the Internet Routing Table: 33408
Prefixes per ASN: 9.35
Origin-only ASes present in the Internet Routing Table: 29005
Origin ASes announcing only one prefix: 14141
Transit ASes present in the Internet Routing Table: 4403
Transit-only ASes present in the Internet Routing Table: 100
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 22
Max AS path prepend of ASN (32374) 19
Prefixes from unregistered ASNs in the Routing Table: 883
Unregistered ASNs in the Routing Table: 140
Number of 32-bit ASNs allocated by the RIRs: 447
Prefixes from 32-bit ASNs in the Routing Table: 433
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 235
Number of addresses announced to Internet: 2208633792
Equivalent to 131 /8s, 165 /16s and 19 /24s
Percentage of available address space announced: 59.6
Percentage of allocated address space announced: 66.2
Percentage of available address space allocated: 90.0
Percentage of address space in use by end-sites: 81.2
Total number of prefixes smaller than registry allocations: 150079
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 75132
Total APNIC prefixes after maximum aggregation: 25995
APNIC Deaggregation factor: 2.89
Prefixes being announced from the APNIC address blocks: 71811
Unique aggregates announced from the APNIC address blocks: 31790
APNIC Region origin ASes present in the Internet Routing Table: 3970
APNIC Prefixes per ASN: 18.09
APNIC Region origin ASes announcing only one prefix: 1083
APNIC Region transit ASes present in the Internet Routing Table: 624
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 513310752
Equivalent to 30 /8s, 152 /16s and 128 /24s
Percentage of available APNIC address space announced: 80.5
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 27/8, 43/8, 58/8, 59/8, 60/8, 61/8,
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,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 130267
Total ARIN prefixes after maximum aggregation: 67799
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 104360
Unique aggregates announced from the ARIN address blocks: 39769
ARIN Region origin ASes present in the Internet Routing Table: 13524
ARIN Prefixes per ASN: 7.72
ARIN Region origin ASes announcing only one prefix: 5222
ARIN Region transit ASes present in the Internet Routing Table: 1335
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 739540256
Equivalent to 44 /8s, 20 /16s and 125 /24s
Percentage of available ARIN address space announced: 63.0
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, 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, 54/8,
55/8, 56/8, 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, 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: 71976
Total RIPE prefixes after maximum aggregation: 41904
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 64873
Unique aggregates announced from the RIPE address blocks: 42898
RIPE Region origin ASes present in the Internet Routing Table: 14149
RIPE Prefixes per ASN: 4.58
RIPE Region origin ASes announcing only one prefix: 7336
RIPE Region transit ASes present in the Internet Routing Table: 2120
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 415745152
Equivalent to 24 /8s, 199 /16s and 196 /24s
Percentage of available RIPE address space announced: 77.4
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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 27561
Total LACNIC prefixes after maximum aggregation: 6619
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 25902
Unique aggregates announced from the LACNIC address blocks: 14106
LACNIC Region origin ASes present in the Internet Routing Table: 1245
LACNIC Prefixes per ASN: 20.80
LACNIC Region origin ASes announcing only one prefix: 406
LACNIC Region transit ASes present in the Internet Routing Table: 212
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 71013376
Equivalent to 4 /8s, 59 /16s and 148 /24s
Percentage of available LACNIC address space announced: 70.5
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 6643
Total AfriNIC prefixes after maximum aggregation: 1772
AfriNIC Deaggregation factor: 3.75
Prefixes being announced from the AfriNIC address blocks: 4981
Unique aggregates announced from the AfriNIC address blocks: 1426
AfriNIC Region origin ASes present in the Internet Routing Table: 343
AfriNIC Prefixes per ASN: 14.52
AfriNIC Region origin ASes announcing only one prefix: 94
AfriNIC Region transit ASes present in the Internet Routing Table: 73
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 14811904
Equivalent to 0 /8s, 226 /16s and 3 /24s
Percentage of available AfriNIC address space announced: 44.1
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1859 8533 477 Korea Telecom (KIX)
17488 1288 132 136 Hathway IP Over Cable Interne
4755 1287 288 139 TATA Communications formerly
18101 1083 221 39 Reliance Infocom Ltd Internet
4134 1019 19606 398 CHINANET-BACKBONE
9583 997 75 498 Sify Limited
7545 953 199 100 TPG Internet Pty Ltd
17974 926 278 45 PT TELEKOMUNIKASI INDONESIA
4808 852 1582 212 CNCGROUP IP network: China169
24560 850 300 167 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4066 3859 314 bellsouth.net, inc.
4323 3790 1084 394 Time Warner Telecom
1785 1831 698 129 PaeTec Communications, Inc.
7018 1561 5774 1007 AT&T WorldNet Services
20115 1553 1491 662 Charter Communications
2386 1316 617 928 AT&T Data Communications Serv
3356 1204 10943 418 Level 3 Communications, LLC
11492 1141 222 14 Cable One
22773 1125 2602 69 Cox Communications, Inc.
6478 1119 242 218 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
35805 581 40 5 United Telecom of Georgia
3292 451 1900 392 TDC Tele Danmark
30890 450 101 205 Evolva Telecom
702 424 1869 336 UUNET - Commercial IP service
8551 396 353 37 Bezeq International
8866 372 110 21 Bulgarian Telecommunication C
3320 363 7072 317 Deutsche Telekom AG
3301 352 1413 313 TeliaNet Sweden
3215 347 3206 103 France Telecom Transpac
12479 326 576 5 Uni2 Autonomous System
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1584 2893 235 UniNet S.A. de C.V.
10620 1010 227 156 TVCABLE BOGOTA
28573 908 698 84 NET Servicos de Comunicao S.A
7303 677 359 99 Telecom Argentina Stet-France
22047 528 310 15 VTR PUNTO NET S.A.
6503 499 167 193 AVANTEL, S.A.
7738 476 922 30 Telecomunicacoes da Bahia S.A
11830 474 308 56 Instituto Costarricense de El
11172 446 99 70 Servicios Alestra S.A de C.V
3816 442 194 69 Empresa Nacional de Telecomun
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 994 445 9 TEDATA
24863 714 144 40 LINKdotNET AS number
36992 585 131 172 Etisalat MISR
3741 273 855 234 The Internet Solution
33776 258 13 11 Starcomms Nigeria Limited
2018 210 215 121 Tertiary Education Network
6713 177 167 12 Itissalat Al-MAGHRIB
29571 169 19 9 Ci Telecom Autonomous system
24835 133 78 11 RAYA Telecom - Egypt
29975 133 506 14 Vodacom
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4066 3859 314 bellsouth.net, inc.
4323 3790 1084 394 Time Warner Telecom
4766 1859 8533 477 Korea Telecom (KIX)
1785 1831 698 129 PaeTec Communications, Inc.
8151 1584 2893 235 UniNet S.A. de C.V.
7018 1561 5774 1007 AT&T WorldNet Services
20115 1553 1491 662 Charter Communications
2386 1316 617 928 AT&T Data Communications Serv
17488 1288 132 136 Hathway IP Over Cable Interne
4755 1287 288 139 TATA Communications formerly
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3790 3396 Time Warner Telecom
1785 1831 1702 PaeTec Communications, Inc.
4766 1859 1382 Korea Telecom (KIX)
8151 1584 1349 UniNet S.A. de C.V.
17488 1288 1152 Hathway IP Over Cable Interne
4755 1287 1148 TATA Communications formerly
11492 1141 1127 Cable One
22773 1125 1056 Cox Communications, Inc.
18566 1059 1049 Covad Communications
18101 1083 1044 Reliance Infocom Ltd Internet
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
2.2.2.0/24 12654 RIPE NCC RIS Project
41.77.236.0/22 23456 32-bit ASN transition
41.190.64.0/22 28683 Office des Postes et telecomm
41.190.66.0/24 37039 >>UNKNOWN<<
41.202.96.0/19 29571 Ci Telecom Autonomous system
41.216.32.0/19 28683 Office des Postes et telecomm
41.220.144.0/20 36918 ORASCOM TELECOM ALGERIE VSAT
Complete listing at http://thyme.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 /8:21 /9:10 /10:25 /11:65 /12:187
/13:389 /14:659 /15:1233 /16:10946 /17:5164 /18:8734
/19:18052 /20:21928 /21:22096 /22:28392 /23:28183 /24:163196
/25:939 /26:1175 /27:580 /28:231 /29:13 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2631 4066 bellsouth.net, inc.
4323 2353 3790 Time Warner Telecom
4766 1472 1859 Korea Telecom (KIX)
1785 1294 1831 PaeTec Communications, Inc.
11492 1056 1141 Cable One
17488 1050 1288 Hathway IP Over Cable Interne
18566 1040 1059 Covad Communications
18101 956 1083 Reliance Infocom Ltd Internet
7018 939 1561 AT&T WorldNet Services
10620 916 1010 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:2 4:14 8:239 12:1985 13:10 15:22
16:3 17:8 20:39 24:1349 27:1 32:48
38:642 40:99 41:2028 44:3 46:1 47:26
52:6 55:2 56:2 57:23 58:643 59:632
60:399 61:1096 62:1038 63:2014 64:3804 65:2348
66:4182 67:1781 68:1041 69:2843 70:694 71:236
72:1870 73:2 74:2128 75:241 76:333 77:819
78:587 79:396 80:999 81:778 82:449 83:434
84:642 85:1020 86:386 87:672 88:423 89:1526
90:76 91:2701 92:435 93:1144 94:1391 95:519
96:231 97:302 98:501 99:23 100:1 109:379
110:311 111:443 112:233 113:228 114:366 115:570
116:1028 117:624 118:386 119:916 120:138 121:842
122:1386 123:888 124:1069 125:1293 128:208 129:204
130:141 131:467 132:89 133:16 134:195 135:43
136:226 137:170 138:240 139:92 140:476 141:136
142:378 143:343 144:415 145:51 146:414 147:168
148:570 149:207 150:151 151:168 152:251 153:166
154:2 155:278 156:178 157:332 158:100 159:356
160:305 161:177 162:268 163:166 164:311 165:463
166:504 167:389 168:764 169:158 170:575 171:46
172:3 173:523 174:540 175:51 178:2 180:354
182:23 183:222 184:11 186:290 187:223 188:1359
189:687 190:3513 192:5712 193:4509 194:3357 195:2783
196:1169 198:3545 199:3378 200:5312 201:1462 202:8011
203:8275 204:4021 205:2170 206:2450 207:3006 208:3917
209:3449 210:2546 211:1196 212:1700 213:1655 214:268
215:57 216:4465 217:1513 218:487 219:427 220:1078
221:381 222:307
End of report
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