Routing Table Report 04:00 +10GMT Thu 02 Aug, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/08/02/0400
Analysis Summary
----------------
BGP routing table entries examined: 227318
Prefixes after maximum aggregation: 119200
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 110303
Total ASes present in the Internet Routing Table: 25814
Prefixes per ASN: 8.81
Origin-only ASes present in the Internet Routing Table: 22501
Origin ASes announcing only one prefix: 10985
Transit ASes present in the Internet Routing Table: 3313
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 21
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 4
Unregistered ASNs in the Routing Table: 3
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: 1741824736
Equivalent to 103 /8s, 210 /16s and 34 /24s
Percentage of available address space announced: 47.0
Percentage of allocated address space announced: 61.5
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 119848
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 53528
Total APNIC prefixes after maximum aggregation: 20692
APNIC Deaggregation factor: 2.59
Prefixes being announced from the APNIC address blocks: 50442
Unique aggregates announced from the APNIC address blocks: 22024
APNIC Region origin ASes present in the Internet Routing Table: 3015
APNIC Prefixes per ASN: 16.73
APNIC Region origin ASes announcing only one prefix: 808
APNIC Region transit ASes present in the Internet Routing Table: 460
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 305811872
Equivalent to 18 /8s, 58 /16s and 81 /24s
Percentage of available APNIC address space announced: 75.8
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: 107622
Total ARIN prefixes after maximum aggregation: 62511
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 79179
Unique aggregates announced from the ARIN address blocks: 31512
ARIN Region origin ASes present in the Internet Routing Table: 11716
ARIN Prefixes per ASN: 6.76
ARIN Region origin ASes announcing only one prefix: 4532
ARIN Region transit ASes present in the Internet Routing Table: 1067
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 341255936
Equivalent to 20 /8s, 87 /16s and 39 /24s
Percentage of available ARIN address space announced: 75.3
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: 47708
Total RIPE prefixes after maximum aggregation: 30633
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 44067
Unique aggregates announced from the RIPE address blocks: 29012
RIPE Region origin ASes present in the Internet Routing Table: 9972
RIPE Prefixes per ASN: 4.42
RIPE Region origin ASes announcing only one prefix: 5311
RIPE Region transit ASes present in the Internet Routing Table: 1576
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 323330560
Equivalent to 19 /8s, 69 /16s and 162 /24s
Percentage of available RIPE address space announced: 74.1
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, 80/4, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 15833
Total LACNIC prefixes after maximum aggregation: 4322
LACNIC Deaggregation factor: 3.66
Prefixes being announced from the LACNIC address blocks: 13895
Unique aggregates announced from the LACNIC address blocks: 7746
LACNIC Region origin ASes present in the Internet Routing Table: 836
LACNIC Prefixes per ASN: 16.62
LACNIC Region origin ASes announcing only one prefix: 273
LACNIC Region transit ASes present in the Internet Routing Table: 139
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 41060352
Equivalent to 2 /8s, 114 /16s and 136 /24s
Percentage of available LACNIC address space announced: 61.2
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: 2620
Total AfriNIC prefixes after maximum aggregation: 1032
AfriNIC Deaggregation factor: 2.54
Prefixes being announced from the AfriNIC address blocks: 2160
Unique aggregates announced from the AfriNIC address blocks: 1288
AfriNIC Region origin ASes present in the Internet Routing Table: 199
AfriNIC Prefixes per ASN: 10.85
AfriNIC Region origin ASes announcing only one prefix: 61
AfriNIC Region transit ASes present in the Internet Routing Table: 34
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 6370816
Equivalent to 0 /8s, 97 /16s and 54 /24s
Percentage of available AfriNIC address space announced: 19.0
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 1368 10998 288 CHINANET-BACKBONE
4755 1310 382 71 Videsh Sanchar Nigam Ltd. Aut
9583 1122 80 397 Sify Limited
9498 1008 533 70 BHARTI BT INTERNET LTD.
4766 796 4930 316 Korea Telecom (KIX)
23577 786 34 683 Korea Telecom (ATM-MPLS)
17488 738 48 58 Hathway IP Over Cable Interne
7545 700 150 114 TPG Internet Pty Ltd
18101 577 117 41 Reliance Infocom Ltd Internet
1221 550 1951 428 Telstra Pty Ltd
4780 540 290 37 Digital United Inc.
4812 530 915 96 China Telecom (Shanghai)
4668 512 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
4808 483 768 110 CNCGROUP IP network: China169
9443 472 122 77 Primus Telecommunications
7474 415 218 269 SingTel Optus Pty Ltd
4802 414 108 152 Wantree Development
17974 363 130 13 PT TELEKOMUNIKASI INDONESIA
9829 362 258 14 BSNL National Internet Backbo
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1466 6073 992 AT&T WorldNet Services
4323 1327 1022 374 Time Warner Telecom
2386 1212 617 755 AT&T Data Communications Serv
6478 1122 320 145 AT&T Worldnet Services
11492 1109 108 22 Cable One
6197 1027 717 509 BellSouth Network Solutions,
18566 1016 288 9 Covad Communications
174 964 6776 851 Cogent Communications
701 937 6562 714 UUNET Technologies, Inc.
7011 896 257 545 Citizens Utilities
1239 815 2742 581 Sprint
20115 804 737 429 Charter Communications
19262 768 2765 187 Verizon Global Networks
22773 750 2148 49 Cox Communications, Inc.
209 748 3871 593 Qwest
5668 625 171 23 CenturyTel Internet Holdings,
855 575 254 73 Canadian Research Network
6517 574 159 36 Yipes Communications, Inc.
852 573 1093 364 Telus Advanced Communications
6198 568 613 259 BellSouth Network Solutions,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 515 1075 138 Telenor Internet Access
702 499 1921 400 UUNET - Commercial IP service
24863 359 56 41 LINKdotNET AS number
9116 322 168 25 Goldenlines main autonomous s
3320 313 6034 258 Deutsche Telekom AG
3301 312 1456 292 TeliaNet Sweden
6746 287 130 263 Dynamic Network Technologies,
5089 268 1658 53 NTL Group Limited
680 261 2044 252 DFN-IP service G-WiN
8220 260 445 243 COLT Telecommunications
3215 255 2376 96 France Telecom Transpac
8708 252 420 241 Romania Data Systems S.A.
3352 224 1864 41 Ibernet, Internet Access Netw
3269 221 2775 73 TELECOM ITALIA
8551 215 212 27 Bezeq International
9121 210 1441 24 TTnet Autonomous System
3292 194 1379 174 TDC Tele Danmark
1257 193 1195 171 SWIPnet Swedish IP Network
12479 192 578 6 Uni2 Autonomous System
3246 185 253 176 Song Networks
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 897 1958 210 UniNet S.A. de C.V.
11830 483 299 9 Instituto Costarricense de El
11172 377 116 63 Servicios Alestra S.A de C.V
16814 361 22 8 NSS, S.A.
14522 333 28 7 SatNet S.A.
7303 318 152 39 Telecom Argentina Stet-France
22047 318 246 13 VTR PUNTO NET S.A.
6471 313 75 32 ENTEL CHILE S.A.
14117 281 19 15 Telefonica del Sur S.A.
11556 229 128 3 Cable-Wireless Panama
6147 225 172 27 Telefonica Del Peru
10620 214 60 18 TVCABLE BOGOTA
6503 207 172 85 AVANTEL, S.A.
23216 196 16 43 RAMtelecom Telecomunicaciones
10481 181 72 8 Prima S.A.
8163 177 11 6 METROTEL REDES S.A.
7738 159 506 23 Telecomunicacoes da Bahia S.A
7910 158 11 28 ANDINET ON LINE
20299 157 23 13 NEWCOM AMERICAS
21826 157 27 60 INTERCABLE
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 283 868 224 The Internet Solution
8452 226 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 138 301 115 Tertiary Education Network
33783 126 8 11 EEPAD TISP TELECOM & INTERNET
5536 124 8 10 Internet Egypt Network
24835 89 48 6 RAYA Telecom - Egypt
15475 77 84 4 Nile Online
2905 75 174 72 The Internetworking Company o
2561 62 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 52 24 15 MAURITIUS TELECOM
5713 46 294 36 Telkom SA Ltd
33774 46 29 24 AS Number for Telecom Algeria
16637 37 21 29 Johnnic e-Ventures
33776 37 2 3 Starcomms Nigeria Limited
8524 32 2 8 AUCEGYPT Autonomous System
12455 31 6 3 Jambonet Autonomous system
21280 28 4 4 Swift Global Kenya Ltd.Is an
10798 24 2 15 Standard Bank of South Africa
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1310 1239 Videsh Sanchar Nigam Ltd. Aut
11492 1109 1087 Cable One
4134 1368 1080 CHINANET-BACKBONE
18566 1016 1007 Covad Communications
6478 1122 977 AT&T Worldnet Services
4323 1327 953 Time Warner Telecom
9498 1008 938 BHARTI BT INTERNET LTD.
9583 1122 725 Sify Limited
22773 750 701 Cox Communications, Inc.
8151 897 687 UniNet S.A. de C.V.
17488 738 680 Hathway IP Over Cable Interne
5668 625 602 CenturyTel Internet Holdings,
7545 700 586 TPG Internet Pty Ltd
19262 768 581 Verizon Global Networks
6517 574 538 Yipes Communications, Inc.
18101 577 536 Reliance Infocom Ltd Internet
15270 563 526 PaeTec.net -a division of Pae
6197 1027 518 BellSouth Network Solutions,
19916 568 517 OLM LLC
4780 540 503 Digital United Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
38347 UNALLOCATED 116.212.160.0/21 9389 BEIJING SHENZHOU GRE
38347 UNALLOCATED 116.212.168.0/21 9389 BEIJING SHENZHOU GRE
65535 PRIVATE 193.203.218.0/23 38931 Traffic-Media
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
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 /8:18 /9:9 /10:15 /11:36 /12:130
/13:255 /14:468 /15:901 /16:9564 /17:4025 /18:6547
/19:13823 /20:16072 /21:14587 /22:18951 /23:19905 /24:119684
/25:755 /26:1006 /27:479 /28:75 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1121 1122 AT&T Worldnet Services
11492 1100 1109 Cable One
18566 998 1016 Covad Communications
9583 964 1122 Sify Limited
2386 906 1212 AT&T Data Communications Serv
7018 800 1466 AT&T WorldNet Services
7011 794 896 Citizens Utilities
6197 781 1027 BellSouth Network Solutions,
23577 777 786 Korea Telecom (ATM-MPLS)
4755 702 1310 Videsh Sanchar Nigam Ltd. Aut
9498 678 1008 BHARTI BT INTERNET LTD.
4766 595 796 Korea Telecom (KIX)
19916 563 568 OLM LLC
17488 561 738 Hathway IP Over Cable Interne
4323 557 1327 Time Warner Telecom
6517 540 574 Yipes Communications, Inc.
15270 528 563 PaeTec.net -a division of Pae
4668 502 512 LG-EDS Systems Inc.
5668 490 625 CenturyTel Internet Holdings,
18101 489 577 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:84 9:1 12:1809 15:19
16:3 17:3 18:12 20:37 24:933 25:1
32:57 33:3 38:341 40:60 41:224 44:2
47:4 52:4 55:3 56:3 57:24 58:465
59:382 60:348 61:999 62:889 63:1993 64:3133
65:2352 66:3301 67:754 68:626 69:1923 70:443
71:103 72:1369 73:2 74:588 75:255 76:87
77:262 78:25 80:823 81:824 82:664 83:372
84:550 85:862 86:339 87:455 88:277 89:962
90:12 91:449 97:6 98:3 116:269 117:90
121:256 122:583 123:139 124:872 125:968 128:291
129:212 130:139 131:363 132:54 133:9 134:193
135:39 136:189 137:81 138:149 139:93 140:493
141:172 142:378 143:240 144:288 145:45 146:325
147:120 148:404 149:142 150:111 151:160 152:90
153:122 154:2 155:257 156:157 157:212 158:158
159:171 160:107 161:94 162:215 163:181 164:470
165:395 166:286 167:294 168:508 169:120 170:408
171:23 172:1 189:66 190:841 192:5743 193:3939
194:3169 195:2259 196:974 198:3801 199:3274 200:5036
201:1147 202:7399 203:7693 204:3947 205:1955 206:2419
207:2815 208:2750 209:3482 210:2529 211:974 212:1276
213:1485 214:417 215:40 216:3983 217:1163 218:357
219:387 220:1014 221:412 222:267
End of report