[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Jul 26 04:08:08 EST 2008
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 26 Jul, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 263817
Prefixes after maximum aggregation: 129203
Deaggregation factor: 2.04
Unique aggregates announced to Internet: 128902
Total ASes present in the Internet Routing Table: 28747
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 25067
Origin ASes announcing only one prefix: 12114
Transit ASes present in the Internet Routing Table: 3680
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN ( 3816) 15
Prefixes from unregistered ASNs in the Routing Table: 585
Unregistered ASNs in the Routing Table: 213
Number of 32-bit ASNs allocated by the RIRs: 51
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 779
Number of addresses announced to Internet: 1879804352
Equivalent to 112 /8s, 11 /16s and 137 /24s
Percentage of available address space announced: 50.7
Percentage of allocated address space announced: 61.6
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 72.8
Total number of prefixes smaller than registry allocations: 128837
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 60552
Total APNIC prefixes after maximum aggregation: 22662
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 57525
Unique aggregates announced from the APNIC address blocks: 25903
APNIC Region origin ASes present in the Internet Routing Table: 3307
APNIC Prefixes per ASN: 17.39
APNIC Region origin ASes announcing only one prefix: 877
APNIC Region transit ASes present in the Internet Routing Table: 519
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 368888864
Equivalent to 21 /8s, 252 /16s and 204 /24s
Percentage of available APNIC address space announced: 78.5
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, 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, 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: 121160
Total ARIN prefixes after maximum aggregation: 65083
ARIN Deaggregation factor: 1.86
Prefixes being announced from the ARIN address blocks: 90677
Unique aggregates announced from the ARIN address blocks: 34897
ARIN Region origin ASes present in the Internet Routing Table: 12311
ARIN Prefixes per ASN: 7.37
ARIN Region origin ASes announcing only one prefix: 4750
ARIN Region transit ASes present in the Internet Routing Table: 1154
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 353191456
Equivalent to 21 /8s, 13 /16s and 70 /24s
Percentage of available ARIN address space announced: 72.6
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
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, 173/8, 174/8,
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: 56776
Total RIPE prefixes after maximum aggregation: 34509
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 51972
Unique aggregates announced from the RIPE address blocks: 34924
RIPE Region origin ASes present in the Internet Routing Table: 11625
RIPE Prefixes per ASN: 4.47
RIPE Region origin ASes announcing only one prefix: 6092
RIPE Region transit ASes present in the Internet Routing Table: 1745
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 367204704
Equivalent to 21 /8s, 227 /16s and 25 /24s
Percentage of available RIPE address space announced: 84.2
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, 47104-48127
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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 20746
Total LACNIC prefixes after maximum aggregation: 5244
LACNIC Deaggregation factor: 3.96
Prefixes being announced from the LACNIC address blocks: 18960
Unique aggregates announced from the LACNIC address blocks: 10738
LACNIC Region origin ASes present in the Internet Routing Table: 971
LACNIC Prefixes per ASN: 19.53
LACNIC Region origin ASes announcing only one prefix: 318
LACNIC Region transit ASes present in the Internet Routing Table: 165
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 53835776
Equivalent to 3 /8s, 53 /16s and 120 /24s
Percentage of available LACNIC address space announced: 53.5
LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4001
Total AfriNIC prefixes after maximum aggregation: 1217
AfriNIC Deaggregation factor: 3.29
Prefixes being announced from the AfriNIC address blocks: 4304
Unique aggregates announced from the AfriNIC address blocks: 1861
AfriNIC Region origin ASes present in the Internet Routing Table: 242
AfriNIC Prefixes per ASN: 17.79
AfriNIC Region origin ASes announcing only one prefix: 77
AfriNIC Region transit ASes present in the Internet Routing Table: 47
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12518400
Equivalent to 0 /8s, 191 /16s and 4 /24s
Percentage of available AfriNIC address space announced: 37.3
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4755 1677 342 177 Videsh Sanchar Nigam Ltd. Aut
17488 1236 85 99 Hathway IP Over Cable Interne
9583 1145 86 482 Sify Limited
4766 853 6390 347 Korea Telecom (KIX)
23577 830 35 702 Korea Telecom (ATM-MPLS)
4134 828 13603 337 CHINANET-BACKBONE
4780 711 351 63 Digital United Inc.
18101 710 167 33 Reliance Infocom Ltd Internet
9498 661 291 57 BHARTI BT INTERNET LTD.
4808 621 1120 138 CNCGROUP IP network: China169
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 3209 3359 213 bellsouth.net, inc.
209 2999 3859 623 Qwest
6298 1648 237 780 Cox Communicatons
4323 1486 1062 380 Time Warner Telecom
2386 1485 663 879 AT&T Data Communications Serv
7018 1412 5840 989 AT&T WorldNet Services
1785 1227 510 104 AppliedTheory Corporation
11492 1208 149 28 Cable One
20115 1118 1082 572 Charter Communications
18566 1045 296 10 Covad Communications
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
3292 413 1792 371 TDC Tele Danmark
3301 332 1460 303 TeliaNet Sweden
3320 322 7047 270 Deutsche Telekom AG
8452 320 188 11 TEDATA
8866 317 77 21 Bulgarian Telecommunication C
5462 296 666 27 Telewest Broadband
8551 288 270 38 Bezeq International
3215 277 2758 90 France Telecom Transpac
680 274 2047 264 DFN-IP service G-WiN
6746 267 125 242 Dynamic Network Technologies,
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 1384 2590 225 UniNet S.A. de C.V.
11830 612 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 472 233 60 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 415 85 48 ENTEL CHILE S.A.
11172 408 118 71 Servicios Alestra S.A de C.V
10620 407 107 56 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 331 23 104 NEWCOM AMERICAS
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
24863 478 61 25 LINKdotNET AS number
20858 398 34 3 EgyNet
3741 268 855 223 The Internet Solution
2018 209 197 131 Tertiary Education Network
6713 141 135 11 Itissalat Al-MAGHRIB
33783 135 10 12 EEPAD TISP TELECOM & INTERNET
5713 131 556 76 Telkom SA Ltd
5536 120 8 17 Internet Egypt Network
33776 115 6 7 Starcomms Nigeria Limited
29571 107 13 8 Ci Telecom Autonomous system
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 3209 3359 213 bellsouth.net, inc.
209 2999 3859 623 Qwest
4755 1677 342 177 Videsh Sanchar Nigam Ltd. Aut
6298 1648 237 780 Cox Communicatons
4323 1486 1062 380 Time Warner Telecom
2386 1485 663 879 AT&T Data Communications Serv
7018 1412 5840 989 AT&T WorldNet Services
8151 1384 2590 225 UniNet S.A. de C.V.
17488 1236 85 99 Hathway IP Over Cable Interne
1785 1227 510 104 AppliedTheory Corporation
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
209 2999 2376 Qwest
4755 1677 1500 Videsh Sanchar Nigam Ltd. Aut
11492 1208 1180 Cable One
8151 1384 1159 UniNet S.A. de C.V.
17488 1236 1137 Hathway IP Over Cable Interne
1785 1227 1123 AppliedTheory Corporation
4323 1486 1106 Time Warner Telecom
18566 1045 1035 Covad Communications
22773 972 908 Cox Communications, Inc.
6298 1648 868 Cox Communicatons
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 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.48.244.0/23 7843 Adelphia Corp.
24.48.246.0/24 7843 Adelphia Corp.
24.51.159.0/24 7843 Adelphia Corp.
24.54.23.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
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 /8:18 /9:9 /10:16 /11:45 /12:145
/13:288 /14:519 /15:1044 /16:10020 /17:4337 /18:7532
/19:15887 /20:18548 /21:18162 /22:22735 /23:23709 /24:138084
/25:837 /26:1019 /27:767 /28:82 /29:7 /30:1
/31:0 /32:6
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2040 3209 bellsouth.net, inc.
209 1750 2999 Qwest
6298 1624 1648 Cox Communicatons
11492 1190 1208 Cable One
2386 1182 1485 AT&T Data Communications Serv
17488 1048 1236 Hathway IP Over Cable Interne
4755 1029 1677 Videsh Sanchar Nigam Ltd. Aut
18566 1026 1045 Covad Communications
6478 1006 1015 AT&T Worldnet Services
9583 1001 1145 Sify Limited
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:126 12:2107 13:2 15:22 16:3
17:5 18:13 20:35 24:1063 32:60 38:467
40:92 41:661 43:1 44:2 47:12 52:3
55:3 56:3 57:25 58:521 59:506 60:453
61:1011 62:1196 63:2042 64:3251 65:2391 66:3504
67:1227 68:744 69:2271 70:804 71:117 72:1965
73:5 74:1042 75:155 76:306 77:758 78:764
79:211 80:938 81:824 82:599 83:377 84:566
85:965 86:409 87:690 88:338 89:1323 90:15
91:1382 92:231 93:710 94:88 96:48 97:34
98:266 99:4 112:1 113:1 114:90 115:19
116:864 117:323 118:189 119:426 120:56 121:567
122:801 123:365 124:903 125:1177 128:361 129:198
130:134 131:410 132:66 133:9 134:186 135:33
136:224 137:92 138:146 139:93 140:494 141:99
142:408 143:332 144:393 145:51 146:366 147:156
148:517 149:196 150:125 151:180 152:143 153:136
154:10 155:252 156:175 157:290 158:187 159:237
160:279 161:118 162:215 163:155 164:518 165:452
166:319 167:331 168:621 169:139 170:426 171:32
172:10 188:1 189:297 190:2197 192:5797 193:4098
194:3229 195:2536 196:1025 198:3722 199:3279 200:5586
201:1463 202:7656 203:8052 204:3983 205:2128 206:2333
207:2753 208:3451 209:3515 210:2583 211:1073 212:1412
213:1583 214:164 215:49 216:4468 217:1208 218:342
219:423 220:1055 221:451 222:312
End of report
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