[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 11 18:03:27 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 12 May, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/05/12/0400
Analysis Summary
----------------
BGP routing table entries examined: 219961
Prefixes after maximum aggregation: 117145
Deaggregation factor: 1.88
Unique aggregates announced to Internet: 106816
Total ASes present in the Internet Routing Table: 25145
Prefixes per ASN: 8.75
Origin-only ASes present in the Internet Routing Table: 21900
Origin ASes announcing only one prefix: 10598
Transit ASes present in the Internet Routing Table: 3245
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN (15941) 12
Prefixes from unregistered ASNs in the Routing Table: 6
Unregistered ASNs in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1718002624
Equivalent to 102 /8s, 102 /16s and 163 /24s
Percentage of available address space announced: 46.4
Percentage of allocated address space announced: 62.9
Percentage of available address space allocated: 73.7
Total number of prefixes smaller than registry allocations: 115143
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 50626
Total APNIC prefixes after maximum aggregation: 20239
APNIC Deaggregation factor: 2.50
Prefixes being announced from the APNIC address blocks: 47626
Unique aggregates announced from the APNIC address blocks: 21252
APNIC Region origin ASes present in the Internet Routing Table: 2938
APNIC Prefixes per ASN: 16.21
APNIC Region origin ASes announcing only one prefix: 789
APNIC Region transit ASes present in the Internet Routing Table: 437
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 292851136
Equivalent to 17 /8s, 116 /16s and 141 /24s
Percentage of available APNIC address space announced: 72.5
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: 106230
Total ARIN prefixes after maximum aggregation: 62027
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 78316
Unique aggregates announced from the ARIN address blocks: 30543
ARIN Region origin ASes present in the Internet Routing Table: 11559
ARIN Prefixes per ASN: 6.78
ARIN Region origin ASes announcing only one prefix: 4431
ARIN Region transit ASes present in the Internet Routing Table: 1052
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 332297344
Equivalent to 19 /8s, 206 /16s and 116 /24s
Percentage of available ARIN address space announced: 73.4
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: 45499
Total RIPE prefixes after maximum aggregation: 29737
RIPE Deaggregation factor: 1.53
Prefixes being announced from the RIPE address blocks: 42028
Unique aggregates announced from the RIPE address blocks: 28098
RIPE Region origin ASes present in the Internet Routing Table: 9594
RIPE Prefixes per ASN: 4.38
RIPE Region origin ASes announcing only one prefix: 5070
RIPE Region transit ASes present in the Internet Routing Table: 1548
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 305989504
Equivalent to 18 /8s, 61 /16s and 7 /24s
Percentage of available RIPE address space announced: 76.0
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
40960-44031
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: 15036
Total LACNIC prefixes after maximum aggregation: 4117
LACNIC Deaggregation factor: 3.65
Prefixes being announced from the LACNIC address blocks: 13136
Unique aggregates announced from the LACNIC address blocks: 7191
LACNIC Region origin ASes present in the Internet Routing Table: 786
LACNIC Prefixes per ASN: 16.71
LACNIC Region origin ASes announcing only one prefix: 252
LACNIC Region transit ASes present in the Internet Routing Table: 140
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 38730752
Equivalent to 2 /8s, 78 /16s and 252 /24s
Percentage of available LACNIC address space announced: 57.7
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: 2560
Total AfriNIC prefixes after maximum aggregation: 1015
AfriNIC Deaggregation factor: 2.52
Prefixes being announced from the AfriNIC address blocks: 1927
Unique aggregates announced from the AfriNIC address blocks: 1188
AfriNIC Region origin ASes present in the Internet Routing Table: 189
AfriNIC Prefixes per ASN: 10.20
AfriNIC Region origin ASes announcing only one prefix: 56
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6036480
Equivalent to 0 /8s, 92 /16s and 28 /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 1283 9605 275 CHINANET-BACKBONE
4755 1213 383 72 Videsh Sanchar Nigam Ltd. Aut
9583 1108 79 382 Sify Limited
9498 976 469 72 BHARTI BT INTERNET LTD.
4766 783 4943 312 Korea Telecom (KIX)
23577 776 35 705 Korea Telecom (ATM-MPLS)
17488 676 44 35 Hathway IP Over Cable Interne
7545 628 142 80 TPG Internet Pty Ltd
1221 543 1954 422 Telstra Pty Ltd
18101 536 116 28 Reliance Infocom Ltd Internet
4668 508 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
4812 460 807 76 China Telecom (Shanghai)
9443 452 115 74 Primus Telecommunications
7474 413 217 269 SingTel Optus Pty Ltd
4802 360 86 148 Wantree Development
17557 356 37 169 Pakistan Telecom
17974 350 129 12 PT TELEKOMUNIKASI INDONESIA
4837 344 4709 159 chinanet IDC center beijing n
4808 331 669 112 CNCGROUP IP network: China169
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1498 6144 993 AT&T WorldNet Services
4323 1265 1027 360 Time Warner Telecom
2386 1125 580 752 AT&T Data Communications Serv
6478 1094 339 133 AT&T Worldnet Services
11492 1047 104 22 Cable One
6197 1033 688 503 BellSouth Network Solutions,
18566 1006 288 9 Covad Communications
174 967 6792 875 Cogent Communications
701 958 6660 730 UUNET Technologies, Inc.
20115 818 742 428 Charter Communications
1239 816 2716 577 Sprint
19262 774 2620 209 Verizon Global Networks
7011 752 217 463 Citizens Utilities
209 729 3847 583 Qwest
22773 714 1888 43 Cox Communications, Inc.
5668 601 160 17 CenturyTel Internet Holdings,
721 597 21755 271 DLA Systems Automation Center
852 589 1096 370 Telus Advanced Communications
7029 584 456 79 Alltel Information Services,
19916 568 49 51 OLM LLC
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 522 1941 415 UUNET - Commercial IP service
24863 344 47 30 LINKdotNET AS number
3301 309 1455 289 TeliaNet Sweden
3320 303 4993 251 Deutsche Telekom AG
6746 277 128 254 Dynamic Network Technologies,
680 257 2044 250 DFN-IP service G-WiN
8220 253 460 244 COLT Telecommunications
3215 238 2254 95 France Telecom Transpac
8708 235 287 228 Romania Data Systems S.A.
3269 216 2647 74 TELECOM ITALIA
3246 208 340 198 Song Networks
8551 206 196 30 Bezeq International
3352 203 1783 37 Ibernet, Internet Access Netw
30890 202 17 94 SC Kappa Invexim SRL
20858 196 34 4 EgyNet
9116 193 136 25 Goldenlines main autonomous s
1257 190 1180 168 SWIPnet Swedish IP Network
12479 184 578 6 Uni2 Autonomous System
3300 183 171 89 AUCS Communications Services
786 177 1795 177 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1208 1870 213 UniNet S.A. de C.V.
11830 483 299 19 Instituto Costarricense de El
11172 365 116 63 Servicios Alestra S.A de C.V
16814 362 22 8 NSS, S.A.
22047 318 238 12 VTR PUNTO NET S.A.
7303 280 143 29 Telecom Argentina Stet-France
6471 259 74 31 ENTEL CHILE S.A.
14117 243 17 14 Telefonica del Sur S.A.
11556 229 128 3 Cable-Wireless Panama
6147 221 166 25 Telefonica Del Peru
6503 215 172 86 AVANTEL, S.A.
20299 190 23 12 NEWCOM AMERICAS
10620 185 53 23 TVCABLE BOGOTA
10481 181 72 8 Prima S.A.
23216 157 19 42 RAMtelecom Telecomunicaciones
14522 155 25 7 SatNet S.A.
21826 155 27 59 INTERCABLE
7910 154 11 29 ANDINET ON LINE
19429 151 93 41 E.T.B.
19169 143 9 26 Telconet
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 290 868 232 The Internet Solution
8452 229 188 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 119 8 9 EEPAD TISP TELECOM & INTERNET
24835 85 48 6 RAYA Telecom - Egypt
2905 76 174 73 The Internetworking Company o
2561 61 6 2 Egyptian Universities Network
15706 56 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
21280 28 4 4 Swift Global Kenya Ltd.Is an
12455 25 6 3 Jambonet Autonomous system
10798 24 2 15 Standard Bank of South Africa
33776 24 2 7 Starcomms Nigeria Limited
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1213 1141 Videsh Sanchar Nigam Ltd. Aut
11492 1047 1025 Cable One
4134 1283 1008 CHINANET-BACKBONE
18566 1006 997 Covad Communications
8151 1208 995 UniNet S.A. de C.V.
6478 1094 961 AT&T Worldnet Services
4323 1265 905 Time Warner Telecom
9498 976 904 BHARTI BT INTERNET LTD.
9583 1108 726 Sify Limited
22773 714 671 Cox Communications, Inc.
17488 676 641 Hathway IP Over Cable Interne
5668 601 584 CenturyTel Internet Holdings,
19262 774 565 Verizon Global Networks
7545 628 548 TPG Internet Pty Ltd
6197 1033 530 BellSouth Network Solutions,
19916 568 517 OLM LLC
18101 536 508 Reliance Infocom Ltd Internet
7029 584 505 Alltel Information Services,
4668 508 498 LG-EDS Systems Inc.
15270 531 496 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
65242 PRIVATE 64.222.142.0/24 13674 Bell Atlantic Global
64858 PRIVATE 84.36.180.0/24 20858 EgyNet
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
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 /10:14 /11:34 /12:123
/13:238 /14:450 /15:866 /16:9378 /17:3849 /18:6400
/19:13475 /20:15351 /21:13875 /22:17960 /23:19236 /24:116532
/25:775 /26:829 /27:476 /28:59 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1085 1094 AT&T Worldnet Services
11492 1033 1047 Cable One
18566 988 1006 Covad Communications
9583 946 1108 Sify Limited
2386 822 1125 AT&T Data Communications Serv
7018 808 1498 AT&T WorldNet Services
6197 794 1033 BellSouth Network Solutions,
23577 762 776 Korea Telecom (ATM-MPLS)
7011 660 752 Citizens Utilities
9498 642 976 BHARTI BT INTERNET LTD.
4755 608 1213 Videsh Sanchar Nigam Ltd. Aut
4766 590 783 Korea Telecom (KIX)
8151 584 1208 UniNet S.A. de C.V.
19916 563 568 OLM LLC
4323 524 1265 Time Warner Telecom
15270 498 531 PaeTec.net -a division of Pae
4668 497 508 LG-EDS Systems Inc.
17488 497 676 Hathway IP Over Cable Interne
5668 466 601 CenturyTel Internet Holdings,
855 464 566 Canadian Research Network
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:73 9:1 12:1798 13:1
15:19 16:3 17:3 18:8 20:37 24:944
25:1 32:53 38:311 40:60 41:122 44:2
47:5 52:4 55:2 56:3 57:26 58:393
59:341 60:273 61:939 62:970 63:1971 64:3071
65:2359 66:3272 67:801 68:634 69:1828 70:499
71:104 72:1327 73:1 74:437 75:259 76:51
77:151 80:845 81:802 82:600 83:373 84:435
85:767 86:359 87:471 88:270 89:862 90:6
91:293 97:6 116:59 121:181 122:526 123:94
124:796 125:930 128:281 129:219 130:124 131:364
132:52 133:11 134:193 135:39 136:183 137:78
138:138 139:66 140:477 141:170 142:371 143:234
144:291 145:43 146:324 147:117 148:386 149:144
150:115 151:159 152:92 153:120 154:4 155:253
156:152 157:187 158:160 159:157 160:105 161:90
162:234 163:176 164:452 165:406 166:228 167:281
168:495 169:120 170:379 171:16 172:1 189:427
190:604 192:5758 193:3809 194:3097 195:2203 196:924
198:3742 199:3295 200:4759 201:1005 202:7238 203:7485
204:3951 205:2072 206:2361 207:2881 208:2673 209:3582
210:2481 211:945 212:1311 213:1458 214:409 215:40
216:4010 217:1147 218:355 219:358 220:952 221:408
222:264
End of report
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