[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 20 18:03:03 UTC 2007
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 21 Apr, 2007
Analysis Summary
----------------
BGP routing table entries examined: 218298
Prefixes after maximum aggregation: 116609
Deaggregation factor: 1.87
Unique aggregates announced to Internet: 106012
Total ASes present in the Internet Routing Table: 24982
Prefixes per ASN: 8.74
Origin-only ASes present in the Internet Routing Table: 21749
Origin ASes announcing only one prefix: 10510
Transit ASes present in the Internet Routing Table: 3233
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: 21
Max AS path prepend of ASN (20858) 18
Prefixes from unregistered ASNs in the Routing Table: 7
Unregistered ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1710840640
Equivalent to 101 /8s, 249 /16s and 91 /24s
Percentage of available address space announced: 46.2
Percentage of allocated address space announced: 62.7
Percentage of available address space allocated: 73.7
Total number of prefixes smaller than registry allocations: 113985
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 50264
Total APNIC prefixes after maximum aggregation: 20187
APNIC Deaggregation factor: 2.49
Prefixes being announced from the APNIC address blocks: 47307
Unique aggregates announced from the APNIC address blocks: 21138
APNIC Region origin ASes present in the Internet Routing Table: 2920
APNIC Prefixes per ASN: 16.20
APNIC Region origin ASes announcing only one prefix: 785
APNIC Region transit ASes present in the Internet Routing Table: 439
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 291868096
Equivalent to 17 /8s, 101 /16s and 141 /24s
Percentage of available APNIC address space announced: 72.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 105906
Total ARIN prefixes after maximum aggregation: 61843
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 78009
Unique aggregates announced from the ARIN address blocks: 30289
ARIN Region origin ASes present in the Internet Routing Table: 11507
ARIN Prefixes per ASN: 6.78
ARIN Region origin ASes announcing only one prefix: 4401
ARIN Region transit ASes present in the Internet Routing Table: 1049
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 329029504
Equivalent to 19 /8s, 156 /16s and 151 /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
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 44985
Total RIPE prefixes after maximum aggregation: 29464
RIPE Deaggregation factor: 1.53
Prefixes being announced from the RIPE address blocks: 41548
Unique aggregates announced from the RIPE address blocks: 27764
RIPE Region origin ASes present in the Internet Routing Table: 9506
RIPE Prefixes per ASN: 4.37
RIPE Region origin ASes announcing only one prefix: 5016
RIPE Region transit ASes present in the Internet Routing Table: 1541
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 303291136
Equivalent to 18 /8s, 19 /16s and 219 /24s
Percentage of available RIPE address space announced: 75.3
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
40960-43007
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 14589
Total LACNIC prefixes after maximum aggregation: 4104
LACNIC Deaggregation factor: 3.55
Prefixes being announced from the LACNIC address blocks: 12688
Unique aggregates announced from the LACNIC address blocks: 7071
LACNIC Region origin ASes present in the Internet Routing Table: 779
LACNIC Prefixes per ASN: 16.29
LACNIC Region origin ASes announcing only one prefix: 249
LACNIC Region transit ASes present in the Internet Routing Table: 138
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 38357760
Equivalent to 2 /8s, 73 /16s and 75 /24s
Percentage of available LACNIC address space announced: 57.2
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2545
Total AfriNIC prefixes after maximum aggregation: 1005
AfriNIC Deaggregation factor: 2.53
Prefixes being announced from the AfriNIC address blocks: 1922
Unique aggregates announced from the AfriNIC address blocks: 1182
AfriNIC Region origin ASes present in the Internet Routing Table: 189
AfriNIC Prefixes per ASN: 10.17
AfriNIC Region origin ASes announcing only one prefix: 59
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6041088
Equivalent to 0 /8s, 92 /16s and 46 /24s
Percentage of available AfriNIC address space announced: 18.0
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
4134 1274 9487 269 CHINANET-BACKBONE
4755 1196 382 72 Videsh Sanchar Nigam Ltd. Aut
9583 1094 79 375 Sify Limited
9498 977 469 74 BHARTI BT INTERNET LTD.
4766 782 4943 312 Korea Telecom (KIX)
23577 779 35 708 Korea Telecom (ATM-MPLS)
17488 666 43 36 Hathway IP Over Cable Interne
7545 623 142 79 TPG Internet Pty Ltd
1221 579 1956 448 Telstra Pty Ltd
18101 529 116 26 Reliance Infocom Ltd Internet
4668 505 68 10 LG-EDS Systems Inc.
17676 503 10935 65 Softbank BB Corp.
4812 461 795 73 China Telecom (Shanghai)
9443 459 115 74 Primus Telecommunications
7474 401 217 268 SingTel Optus Pty Ltd
9829 359 274 14 BSNL National Internet Backbo
17557 358 35 172 Pakistan Telecom
4802 357 86 147 Wantree Development
4837 343 4708 157 chinanet IDC center beijing n
17974 343 129 14 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1500 6127 986 AT&T WorldNet Services
4323 1268 1022 359 Time Warner Telecom
2386 1100 530 742 AT&T Data Communications Serv
6478 1096 335 151 AT&T Worldnet Services
11492 1037 102 17 Cable One
6197 1034 686 501 BellSouth Network Solutions,
18566 999 288 9 Covad Communications
174 950 6792 866 Cogent Communications
701 942 6677 736 UUNET Technologies, Inc.
1239 824 2716 574 Sprint
20115 822 734 426 Charter Communications
7011 783 225 465 Citizens Utilities
209 717 3734 570 Qwest
19262 710 2554 173 Verizon Global Networks
22773 703 1871 40 Cox Communications, Inc.
721 617 21756 274 DLA Systems Automation Center
852 594 1096 376 Telus Advanced Communications
5668 593 160 17 CenturyTel Internet Holdings,
7029 574 456 81 Alltel Information Services,
19916 568 49 54 OLM LLC
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 519 1957 413 UUNET - Commercial IP service
24863 342 47 32 LINKdotNET AS number
3301 307 1455 287 TeliaNet Sweden
3320 303 4993 251 Deutsche Telekom AG
6746 273 95 250 Dynamic Network Technologies,
8220 258 461 249 COLT Telecommunications
680 255 2043 247 DFN-IP service G-WiN
3215 239 2256 92 France Telecom Transpac
8708 236 288 229 Romania Data Systems S.A.
3269 214 2583 72 TELECOM ITALIA
3246 208 340 197 Song Networks
8551 206 196 30 Bezeq International
30890 205 17 95 SC Kappa Invexim SRL
3352 199 1799 33 Ibernet, Internet Access Netw
20858 196 34 4 EgyNet
1257 192 1180 170 SWIPnet Swedish IP Network
9116 188 134 24 Goldenlines main autonomous s
12479 185 578 6 Uni2 Autonomous System
3300 184 171 89 AUCS Communications Services
786 178 1795 178 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1047 1869 209 UniNet S.A. de C.V.
11830 483 299 19 Instituto Costarricense de El
11172 364 116 64 Servicios Alestra S.A de C.V
16814 362 22 8 NSS, S.A.
22047 310 238 12 VTR PUNTO NET S.A.
7303 267 143 24 Telecom Argentina Stet-France
6471 259 74 31 ENTEL CHILE S.A.
14117 242 17 14 Telefonica del Sur S.A.
11556 235 128 3 Cable-Wireless Panama
6147 226 176 23 Telefonica Del Peru
6503 213 171 85 AVANTEL, S.A.
20299 198 26 20 NEWCOM AMERICAS
10620 184 53 23 TVCABLE BOGOTA
10481 181 72 8 Prima S.A.
23216 158 19 42 RAMtelecom Telecomunicaciones
21826 156 28 59 INTERCABLE
7910 153 11 30 ANDINET ON LINE
19429 148 92 39 E.T.B.
14522 146 22 5 SatNet S.A.
18822 146 9 6 TELEFONICA MANQUEHUE
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 291 868 232 The Internet Solution
8452 216 188 7 TEDATA
6713 143 135 11 Itissalat Al-MAGHRIB
2018 137 309 112 Tertiary Education Network
15475 129 84 4 Nile Online
5536 123 8 15 Internet Egypt Network
33783 116 7 9 EEPAD TISP TELECOM & INTERNET
24835 85 48 6 RAYA Telecom - Egypt
2905 80 173 72 The Internetworking Company o
2561 61 6 2 Egyptian Universities Network
15706 51 12 4 Sudatel Internet Exchange Aut
23889 49 16 13 MAURITIUS TELECOM
5713 44 294 34 Telkom SA Ltd
33774 43 13 24 AS Number for Telecom Algeria
16637 33 21 25 Johnnic e-Ventures
8524 30 2 6 AUCEGYPT Autonomous System
33776 30 2 7 Starcomms Nigeria Limited
33766 28 2 1 Nyala Communications Pty Ltd
21280 27 4 4 Swift Global Kenya Ltd.Is an
12455 24 6 3 Jambonet Autonomous system
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1196 1124 Videsh Sanchar Nigam Ltd. Aut
11492 1037 1020 Cable One
4134 1274 1005 CHINANET-BACKBONE
18566 999 990 Covad Communications
6478 1096 945 AT&T Worldnet Services
4323 1268 909 Time Warner Telecom
9498 977 903 BHARTI BT INTERNET LTD.
8151 1047 838 UniNet S.A. de C.V.
9583 1094 719 Sify Limited
22773 703 663 Cox Communications, Inc.
17488 666 630 Hathway IP Over Cable Interne
5668 593 576 CenturyTel Internet Holdings,
7545 623 544 TPG Internet Pty Ltd
19262 710 537 Verizon Global Networks
6197 1034 533 BellSouth Network Solutions,
19916 568 514 OLM LLC
18101 529 503 Reliance Infocom Ltd Internet
855 566 495 Canadian Research Network
4668 505 495 LG-EDS Systems Inc.
7029 574 493 Alltel Information Services,
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
64518 PRIVATE 125.18.63.0/24 7633 Software Technology
64807 PRIVATE 170.210.44.0/25 7303 Telecom Argentina St
64810 PRIVATE 170.210.78.128/25 7303 Telecom Argentina St
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
64512 PRIVATE 208.103.63.0/24 32703 Indiana Fiber Networ
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
7.1.1.0/24 1239 Sprint
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:9 /10:13 /11:34 /12:122
/13:236 /14:447 /15:856 /16:9348 /17:3810 /18:6307
/19:13456 /20:15185 /21:13694 /22:17774 /23:19131 /24:115716
/25:765 /26:815 /27:486 /28:60 /29:6 /30:1
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1087 1096 AT&T Worldnet Services
11492 1023 1037 Cable One
18566 981 999 Covad Communications
9583 933 1094 Sify Limited
2386 819 1100 AT&T Data Communications Serv
7018 815 1500 AT&T WorldNet Services
6197 796 1034 BellSouth Network Solutions,
23577 765 779 Korea Telecom (ATM-MPLS)
7011 686 783 Citizens Utilities
9498 640 977 BHARTI BT INTERNET LTD.
4755 591 1196 Videsh Sanchar Nigam Ltd. Aut
4766 588 782 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 529 1268 Time Warner Telecom
4668 495 505 LG-EDS Systems Inc.
15270 494 527 PaeTec.net -a division of Pae
17488 487 666 Hathway IP Over Cable Interne
855 464 566 Canadian Research Network
5668 459 593 CenturyTel Internet Holdings,
18101 456 529 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:70 9:1 12:1793 15:19
16:3 17:3 18:8 20:37 24:950 25:1
32:53 38:298 40:57 41:123 44:2 47:4
52:4 55:1 56:3 57:26 58:368 59:369
60:268 61:918 62:924 63:1964 64:3117 65:2325
66:3258 67:799 68:647 69:1807 70:500 71:111
72:1258 73:1 74:380 75:257 76:37 77:150
80:855 81:805 82:611 83:379 84:430 85:746
86:444 87:460 88:245 89:835 90:21 91:266
97:1 116:24 121:174 122:525 123:88 124:782
125:939 128:272 129:219 130:121 131:348 132:52
133:10 134:193 135:39 136:179 137:83 138:194
139:63 140:480 141:149 142:369 143:210 144:289
145:43 146:323 147:146 148:399 149:142 150:115
151:124 152:94 153:121 154:4 155:251 156:152
157:183 158:161 159:154 160:104 161:88 162:236
163:146 164:453 165:402 166:233 167:278 168:496
169:120 170:398 171:15 172:1 189:263 190:569
192:5744 193:3778 194:3071 195:2209 196:928 198:3750
199:3284 200:4697 201:954 202:7220 203:7434 204:3938
205:2105 206:2396 207:2908 208:2615 209:3615 210:2459
211:930 212:1296 213:1448 214:390 215:40 216:4005
217:1153 218:353 219:356 220:937 221:395 222:270
End of report
Report Website: http://thyme.apnic.net
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