[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 2 18:02:46 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 03 Mar, 2007
Analysis Summary
----------------
BGP routing table entries examined: 213872
Prefixes after maximum aggregation: 114752
Deaggregation factor: 1.86
Unique aggregates announced to Internet: 103985
Total ASes present in the Internet Routing Table: 24509
Origin-only ASes present in the Internet Routing Table: 21327
Origin ASes announcing only one prefix: 10308
Transit ASes present in the Internet Routing Table: 3182
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 32
Max AS path prepend of ASN (20858) 18
Prefixes from unregistered ASNs in the Routing Table: 4
Unregistered ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1689261068
Equivalent to 100 /8s, 176 /16s and 20 /24s
Percentage of available address space announced: 45.6
Percentage of allocated address space announced: 62.6
Percentage of available address space allocated: 72.8
Total number of prefixes smaller than registry allocations: 110720
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 48655
Total APNIC prefixes after maximum aggregation: 19591
APNIC Deaggregation factor: 2.48
Prefixes being announced from the APNIC address blocks: 45739
Unique aggregates announced from the APNIC address blocks: 20424
APNIC Region origin ASes present in the Internet Routing Table: 2885
APNIC Region origin ASes announcing only one prefix: 786
APNIC Region transit ASes present in the Internet Routing Table: 427
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 291151232
Equivalent to 17 /8s, 90 /16s and 157 /24s
Percentage of available APNIC address space announced: 72.1
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: 104281
Total ARIN prefixes after maximum aggregation: 61265
ARIN Deaggregation factor: 1.70
Prefixes being announced from the ARIN address blocks: 76236
Unique aggregates announced from the ARIN address blocks: 29615
ARIN Region origin ASes present in the Internet Routing Table: 11368
ARIN Region origin ASes announcing only one prefix: 4354
ARIN Region transit ASes present in the Internet Routing Table: 1054
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 319487360
Equivalent to 19 /8s, 10 /16s and 253 /24s
Percentage of available ARIN address space announced: 70.5
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: 44188
Total RIPE prefixes after maximum aggregation: 28812
RIPE Deaggregation factor: 1.53
Prefixes being announced from the RIPE address blocks: 40870
Unique aggregates announced from the RIPE address blocks: 27149
RIPE Region origin ASes present in the Internet Routing Table: 9228
RIPE Region origin ASes announcing only one prefix: 4860
RIPE Region transit ASes present in the Internet Routing Table: 1495
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 292912388
Equivalent to 17 /8s, 117 /16s and 125 /24s
Percentage of available RIPE address space announced: 79.4
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
40960-43007
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 14169
Total LACNIC prefixes after maximum aggregation: 4116
LACNIC Deaggregation factor: 3.44
Prefixes being announced from the LACNIC address blocks: 12239
Unique aggregates announced from the LACNIC address blocks: 7058
LACNIC Region origin ASes present in the Internet Routing Table: 767
LACNIC Region origin ASes announcing only one prefix: 247
LACNIC Region transit ASes present in the Internet Routing Table: 139
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 37947648
Equivalent to 2 /8s, 67 /16s and 9 /24s
Percentage of available LACNIC address space announced: 56.5
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: 2576
Total AfriNIC prefixes after maximum aggregation: 966
AfriNIC Deaggregation factor: 2.67
Prefixes being announced from the AfriNIC address blocks: 1891
Unique aggregates announced from the AfriNIC address blocks: 1182
AfriNIC Region origin ASes present in the Internet Routing Table: 181
AfriNIC Region origin ASes announcing only one prefix: 60
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5486080
Equivalent to 0 /8s, 83 /16s and 182 /24s
Percentage of available AfriNIC address space announced: 16.3
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
4134 1276 8718 277 CHINANET-BACKBONE
4755 1141 383 77 Videsh Sanchar Nigam Ltd. Aut
9583 1073 77 370 Sify Limited
9498 957 468 66 BHARTI BT INTERNET LTD.
23577 776 35 705 Korea Telecom (ATM-MPLS)
4766 773 4943 311 Korea Telecom (KIX)
17488 612 40 28 Hathway IP Over Cable Interne
7545 591 142 77 TPG Internet Pty Ltd
1221 578 1957 443 Telstra Pty Ltd
18101 529 103 22 Reliance Infocom Ltd Internet
17676 503 10935 65 Softbank BB Corp.
4668 454 68 10 LG-EDS Systems Inc.
9443 443 111 74 Primus Telecommunications
4812 442 785 72 China Telecom (Shanghai)
7474 379 216 259 SingTel Optus Pty Ltd
4802 360 86 149 Wantree Development
17557 351 34 171 Pakistan Telecom
4837 342 4392 153 chinanet IDC center beijing n
17974 337 129 14 PT TELEKOMUNIKASI INDONESIA
2907 336 1749 309 SINET Japan
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1498 6125 982 AT&T WorldNet Services
4323 1330 1005 353 Time Warner Telecom
6478 1124 432 184 AT&T Worldnet Services
2386 1112 570 738 AT&T Data Communications Serv
6197 1022 667 497 BellSouth Network Solutions,
18566 993 288 9 Covad Communications
11492 984 101 18 Cable One
174 941 6792 865 Cogent Communications
701 938 6696 746 UUNET Technologies, Inc.
1239 817 2714 572 Sprint
20115 802 706 422 Charter Communications
7011 795 227 474 Citizens Utilities
19262 756 2591 177 Verizon Global Networks
22773 731 1872 41 Cox Communications, Inc.
209 715 3746 570 Qwest
721 626 21787 274 DLA Systems Automation Center
852 593 1088 379 Telus Advanced Communications
5668 570 160 16 CenturyTel Internet Holdings,
19916 568 49 54 OLM LLC
855 567 250 71 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 539 1879 417 UUNET - Commercial IP service
24863 330 61 23 LINKdotNET AS number
3301 312 1200 291 TeliaNet Sweden
3320 299 4994 250 Deutsche Telekom AG
8220 272 469 263 COLT Telecommunications
6746 269 95 248 Dynamic Network Technologies,
680 257 2044 251 DFN-IP service G-WiN
5416 253 16 16 BATELCO-BH
8708 241 284 228 Romania Data Systems S.A.
3215 238 2224 91 France Telecom Transpac
1257 221 1111 170 SWIPnet Swedish IP Network
3269 217 2519 73 TELECOM ITALIA
3246 208 355 197 Song Networks
30890 204 17 96 SC Kappa Invexim SRL
8551 203 196 28 Bezeq International
20858 197 34 3 EgyNet
3352 193 1783 33 Ibernet, Internet Access Netw
3300 184 171 90 AUCS Communications Services
12479 179 578 6 Uni2 Autonomous System
786 174 1795 174 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1049 2037 210 UniNet S.A. de C.V.
11830 478 297 66 Instituto Costarricense de El
11172 349 109 85 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
22047 307 206 11 VTR PUNTO NET S.A.
6471 254 74 30 ENTEL CHILE S.A.
7303 253 142 30 Telecom Argentina Stet-France
14117 239 16 13 Telefonica del Sur S.A.
11556 237 128 4 Cable-Wireless Panama
6147 230 182 20 Telefonica Del Peru
6503 201 171 82 AVANTEL, S.A.
10481 181 72 8 Prima S.A.
20299 173 25 24 NEWCOM AMERICAS
21826 161 29 57 INTERCABLE
23216 153 19 42 RAMtelecom Telecomunicaciones
7910 152 11 32 ANDINET ON LINE
19429 146 91 37 E.T.B.
18822 145 9 10 TELEFONICA MANQUEHUE
14522 142 22 9 SatNet S.A.
10620 136 42 15 TVCABLE BOGOTA
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 290 868 232 The Internet Solution
8452 246 60 6 TEDATA
15475 159 84 4 Nile Online
6713 143 135 11 Itissalat Al-MAGHRIB
2018 138 309 113 Tertiary Education Network
5536 123 8 15 Internet Egypt Network
2905 121 178 94 The Internetworking Company o
33783 111 6 5 EEPAD TISP TELECOM & INTERNET
24835 86 48 6 RAYA Telecom - Egypt
2561 64 6 2 Egyptian Universities Network
15706 55 12 4 Sudatel Internet Exchange Aut
23889 49 16 13 MAURITIUS TELECOM
5713 44 294 34 Telkom SA Ltd
33774 42 12 22 AS Number for Telecom Algeria
16637 33 21 25 Johnnic e-Ventures
33766 33 2 1 Nyala Communications Pty Ltd
8524 30 2 6 AUCEGYPT Autonomous System
12455 27 6 3 Jambonet Autonomous system
21280 27 4 4 Swift Global Kenya Ltd.Is an
33776 27 2 5 Starcomms Nigeria Limited
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1141 1064 Videsh Sanchar Nigam Ltd. Aut
4134 1276 999 CHINANET-BACKBONE
18566 993 984 Covad Communications
4323 1330 977 Time Warner Telecom
11492 984 966 Cable One
6478 1124 940 AT&T Worldnet Services
9498 957 891 BHARTI BT INTERNET LTD.
8151 1049 839 UniNet S.A. de C.V.
9583 1073 703 Sify Limited
22773 731 690 Cox Communications, Inc.
17488 612 584 Hathway IP Over Cable Interne
19262 756 579 Verizon Global Networks
5668 570 554 CenturyTel Internet Holdings,
6197 1022 525 BellSouth Network Solutions,
7545 591 514 TPG Internet Pty Ltd
19916 568 514 OLM LLC
18101 529 507 Reliance Infocom Ltd Internet
855 567 496 Canadian Research Network
15270 509 475 PaeTec.net -a division of Pae
4766 773 462 Korea Telecom (KIX)
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65535 PRIVATE 189.10.3.0/24 8167 TELESC - Telecomunic
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
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
180.190.0.0/16 24003 JUBILANT ORGANOSYS LTD., INDI
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 /8:20 /9:9 /10:12 /11:33 /12:118
/13:227 /14:428 /15:831 /16:9277 /17:3765 /18:6178
/19:13251 /20:14868 /21:13454 /22:17337 /23:18626 /24:113455
/25:727 /26:549 /27:437 /28:68 /29:42 /30:97
/31:26 /32:37
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1078 1124 AT&T Worldnet Services
18566 975 993 Covad Communications
11492 970 984 Cable One
9583 913 1073 Sify Limited
2386 836 1112 AT&T Data Communications Serv
7018 813 1498 AT&T WorldNet Services
6197 794 1022 BellSouth Network Solutions,
23577 762 776 Korea Telecom (ATM-MPLS)
7011 695 795 Citizens Utilities
9498 628 957 BHARTI BT INTERNET LTD.
4766 581 773 Korea Telecom (KIX)
19916 563 568 OLM LLC
4755 546 1141 Videsh Sanchar Nigam Ltd. Aut
4323 529 1330 Time Warner Telecom
15270 477 509 PaeTec.net -a division of Pae
855 466 567 Canadian Research Network
18101 460 529 Reliance Infocom Ltd Internet
4668 445 454 LG-EDS Systems Inc.
5668 440 570 CenturyTel Internet Holdings,
17488 434 612 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:65 9:1 12:1799 13:1
15:16 16:3 17:3 18:5 20:36 24:903
25:1 32:52 38:283 40:57 41:93 44:2
47:7 52:4 55:1 56:3 57:25 58:321
59:350 60:220 61:913 62:1035 63:1914 64:3141
65:2318 66:3138 67:735 68:653 69:1744 70:466
71:98 72:1225 73:1 74:188 75:81 76:8
77:67 80:828 81:783 82:660 83:362 84:503
85:737 86:443 87:487 88:248 89:819 90:4
91:221 97:1 116:1 117:1 118:1 119:1
120:1 121:136 122:349 123:60 124:716 125:807
128:307 129:218 130:124 131:348 132:49 133:10
134:188 135:37 136:181 137:92 138:194 139:52
140:499 141:142 142:371 143:212 144:271 145:43
146:320 147:147 148:378 149:186 150:114 151:117
152:94 153:118 154:5 155:248 156:155 157:174
158:169 159:150 160:99 161:89 162:230 163:174
164:451 165:383 166:245 167:280 168:513 169:119
170:387 171:15 172:1 189:208 190:437 192:5739
193:3726 194:3013 195:2193 196:957 198:3737 199:3279
200:4626 201:989 202:7220 203:7378 204:3951 205:2074
206:2386 207:2846 208:2489 209:3590 210:2387 211:926
212:1291 213:1412 214:409 215:39 216:4021 217:1161
218:350 219:270 220:858 221:375 222:264
End of report
Report Website: http://thyme.apnic.net
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