[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 22 18:11:48 UTC 2009
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 <pfs at cisco.com>.
Routing Table Report 04:00 +10GMT Sat 23 May, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 288626
Prefixes after maximum aggregation: 136367
Deaggregation factor: 2.12
Unique aggregates announced to Internet: 141749
Total ASes present in the Internet Routing Table: 31322
Prefixes per ASN: 9.21
Origin-only ASes present in the Internet Routing Table: 27217
Origin ASes announcing only one prefix: 13291
Transit ASes present in the Internet Routing Table: 4105
Transit-only ASes present in the Internet Routing Table: 95
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 455
Unregistered ASNs in the Routing Table: 148
Number of 32-bit ASNs allocated by the RIRs: 158
Prefixes from 32-bit ASNs in the Routing Table: 33
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 829
Number of addresses announced to Internet: 2044649600
Equivalent to 121 /8s, 222 /16s and 224 /24s
Percentage of available address space announced: 55.2
Percentage of allocated address space announced: 63.8
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 77.1
Total number of prefixes smaller than registry allocations: 142558
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 67841
Total APNIC prefixes after maximum aggregation: 24339
APNIC Deaggregation factor: 2.79
Prefixes being announced from the APNIC address blocks: 67272
Unique aggregates announced from the APNIC address blocks: 30496
APNIC Region origin ASes present in the Internet Routing Table: 3637
APNIC Prefixes per ASN: 18.50
APNIC Region origin ASes announcing only one prefix: 991
APNIC Region transit ASes present in the Internet Routing Table: 561
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 450591072
Equivalent to 26 /8s, 219 /16s and 121 /24s
Percentage of available APNIC address space announced: 83.9
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 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,
180/8, 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: 124887
Total ARIN prefixes after maximum aggregation: 65697
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 125608
Unique aggregates announced from the ARIN address blocks: 51567
ARIN Region origin ASes present in the Internet Routing Table: 13007
ARIN Prefixes per ASN: 9.66
ARIN Region origin ASes announcing only one prefix: 4999
ARIN Region transit ASes present in the Internet Routing Table: 1272
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1008669056
Equivalent to 60 /8s, 31 /16s and 17 /24s
Percentage of available ARIN address space announced: 193.9
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
ARIN Address Blocks 24/8, 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, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 65362
Total RIPE prefixes after maximum aggregation: 38650
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 64628
Unique aggregates announced from the RIPE address blocks: 43515
RIPE Region origin ASes present in the Internet Routing Table: 13044
RIPE Prefixes per ASN: 4.95
RIPE Region origin ASes announcing only one prefix: 6845
RIPE Region transit ASes present in the Internet Routing Table: 1978
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 480372384
Equivalent to 28 /8s, 161 /16s and 230 /24s
Percentage of available RIPE address space announced: 102.3
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
RIPE Address Blocks 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: 23903
Total LACNIC prefixes after maximum aggregation: 5894
LACNIC Deaggregation factor: 4.06
Prefixes being announced from the LACNIC address blocks: 23736
Unique aggregates announced from the LACNIC address blocks: 13078
LACNIC Region origin ASes present in the Internet Routing Table: 1110
LACNIC Prefixes per ASN: 21.38
LACNIC Region origin ASes announcing only one prefix: 363
LACNIC Region transit ASes present in the Internet Routing Table: 185
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 71453056
Equivalent to 4 /8s, 66 /16s and 73 /24s
Percentage of available LACNIC address space announced: 71.0
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247
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: 6214
Total AfriNIC prefixes after maximum aggregation: 1451
AfriNIC Deaggregation factor: 4.28
Prefixes being announced from the AfriNIC address blocks: 6540
Unique aggregates announced from the AfriNIC address blocks: 2459
AfriNIC Region origin ASes present in the Internet Routing Table: 300
AfriNIC Prefixes per ASN: 21.80
AfriNIC Region origin ASes announcing only one prefix: 93
AfriNIC Region transit ASes present in the Internet Routing Table: 62
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 19268608
Equivalent to 1 /8s, 38 /16s and 4 /24s
Percentage of available AfriNIC address space announced: 57.4
AfriNIC AS Blocks 36864-37887 & 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 1704 6930 401 Korea Telecom (KIX)
17488 1578 129 109 Hathway IP Over Cable Interne
4755 1251 466 127 TATA Communications formerly
9583 1074 86 539 Sify Limited
4134 890 16789 375 CHINANET-BACKBONE
23577 783 34 665 Korea Telecom (ATM-MPLS)
7545 777 198 102 TPG Internet Pty Ltd
18101 752 217 32 Reliance Infocom Ltd Internet
24560 693 230 175 Bharti Airtel Ltd.
9829 664 561 15 BSNL National Internet Backbo
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 4296 3647 324 bellsouth.net, inc.
209 2540 4133 604 Qwest
4323 1850 1035 374 Time Warner Telecom
1785 1767 717 139 PaeTec Communications, Inc.
20115 1627 1443 719 Charter Communications
7018 1502 5903 1035 AT&T WorldNet Services
6478 1412 313 397 AT&T Worldnet Services
2386 1264 682 918 AT&T Data Communications Serv
3356 1221 10981 458 Level 3 Communications, LLC
11492 1102 193 12 Cable One
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
30890 542 88 200 Evolva Telecom
3292 456 1893 394 TDC Tele Danmark
12479 447 578 6 Uni2 Autonomous System
702 430 1864 344 UUNET - Commercial IP service
8866 385 110 26 Bulgarian Telecommunication C
3320 344 7066 295 Deutsche Telekom AG
3215 343 3041 108 France Telecom Transpac
3301 340 1668 304 TeliaNet Sweden
35805 339 24 4 United Telecom of Georgia
29049 316 26 3 AzerSat LLC.
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 1446 2862 235 UniNet S.A. de C.V.
10620 914 208 105 TVCABLE BOGOTA
22047 610 302 14 VTR PUNTO NET S.A.
7303 531 275 77 Telecom Argentina Stet-France
11830 486 292 54 Instituto Costarricense de El
28573 480 562 35 NET Servicos de Comunicao S.A
6471 443 96 32 ENTEL CHILE S.A.
11172 441 102 70 Servicios Alestra S.A de C.V
7738 404 794 28 Telecomunicacoes da Bahia S.A
3816 352 164 75 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 1205 188 7 TEDATA
24863 869 80 39 LINKdotNET AS number
20858 309 34 5 EgyNet
3741 278 860 238 The Internet Solution
2018 244 215 143 Tertiary Education Network
6713 160 151 12 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 139 15 8 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
33776 116 6 7 Starcomms Nigeria Limited
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 4296 3647 324 bellsouth.net, inc.
209 2540 4133 604 Qwest
4323 1850 1035 374 Time Warner Telecom
1785 1767 717 139 PaeTec Communications, Inc.
4766 1704 6930 401 Korea Telecom (KIX)
20115 1627 1443 719 Charter Communications
17488 1578 129 109 Hathway IP Over Cable Interne
7018 1502 5903 1035 AT&T WorldNet Services
8151 1446 2862 235 UniNet S.A. de C.V.
6478 1412 313 397 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2540 1936 Qwest
1785 1767 1628 PaeTec Communications, Inc.
4323 1850 1476 Time Warner Telecom
17488 1578 1469 Hathway IP Over Cable Interne
4766 1704 1303 Korea Telecom (KIX)
8151 1446 1211 UniNet S.A. de C.V.
8452 1205 1198 TEDATA
4755 1251 1124 TATA Communications formerly
11492 1102 1090 Cable One
18566 1062 1052 Covad Communications
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 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 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
41.223.112.0/22 5713 Telkom SA Ltd
41.223.176.0/22 36981 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.251.0/24 22555 Universal Talkware Corporatio
64.31.32.0/19 11955 ServiceCo LLC - Road Runner
64.31.59.0/24 7017 ServiceCo LLC - Road Runner
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 /8:19 /9:10 /10:20 /11:58 /12:166
/13:340 /14:599 /15:1149 /16:10475 /17:4753 /18:8181
/19:17170 /20:20424 /21:20327 /22:25982 /23:25684 /24:150719
/25:846 /26:994 /27:545 /28:144 /29:8 /30:5
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2801 4296 bellsouth.net, inc.
4766 1397 1704 Korea Telecom (KIX)
17488 1299 1578 Hathway IP Over Cable Interne
209 1283 2540 Qwest
8452 1174 1205 TEDATA
1785 1170 1767 PaeTec Communications, Inc.
18566 1043 1062 Covad Communications
11492 1037 1102 Cable One
2386 974 1264 AT&T Data Communications Serv
4323 954 1850 Time Warner Telecom
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:199 12:2229 13:10 15:19 16:3
17:4 20:35 24:1075 32:52 34:2 38:557
40:97 41:1984 43:1 44:2 47:22 52:4
55:2 56:3 57:25 58:588 59:642 60:456
61:1097 62:1094 63:2077 64:3693 65:2385 66:3602
67:1607 68:790 69:2618 70:526 71:146 72:1663
73:2 74:1533 75:171 76:308 77:848 78:563
79:338 80:958 81:816 82:551 83:428 84:617
85:1027 86:407 87:656 88:355 89:1440 90:62
91:2230 92:323 93:1025 94:1208 95:1166 96:129
97:209 98:225 99:19 109:1 110:124 112:125
113:104 114:266 115:288 116:1157 117:516 118:291
119:699 120:144 121:732 122:1024 123:675 124:969
125:1324 128:221 129:235 130:125 131:412 132:75
133:9 134:187 135:39 136:224 137:155 138:160
139:78 140:443 141:109 142:380 143:331 144:364
145:47 146:377 147:153 148:517 149:238 150:165
151:200 152:147 153:137 154:2 155:275 156:169
157:298 158:116 159:312 160:282 161:143 162:268
163:152 164:480 165:503 166:275 167:362 168:675
169:167 170:480 171:40 172:10 173:283 174:212
178:1 180:1 183:1 186:15 187:94 188:17
189:370 190:2662 192:5817 193:4223 194:3299 195:2718
196:1081 198:3634 199:3365 200:5307 201:1296 202:7869
203:8183 204:3819 205:2149 206:2453 207:2809 208:3914
209:3424 210:2669 211:1113 212:1522 213:1685 214:77
215:30 216:4655 217:1258 218:368 219:435 220:1216
221:470 222:293
End of report
More information about the afnog
mailing list