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Routing Table Report 00:00 GMT Sun 04 Nov, 2007
NB: RouteViews data includes iBGP information from some ASNs. Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/oix-data/2007/11/04
Analysis Summary ----------------
BGP routing table entries examined: 244757 Prefixes after maximum aggregation: 122799 Deaggregation factor: 1.99 Unique aggregates announced to Internet: 114490 Total ASes present in the Internet Routing Table: 26649 Prefixes per ASN: 9.18 Origin-only ASes present in the Internet Routing Table: 23173 Origin ASes announcing only one prefix: 11275 Transit ASes present in the Internet Routing Table: 3476 Transit-only ASes present in the Internet Routing Table: 76 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 22 Max AS path prepend of ASN (35389) 18 Prefixes from unregistered ASNs in the Routing Table: 34 Unregistered ASNs in the Routing Table: 16 Prefixes from 32-bit ASNs in the Routing Table: 9 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1789255844 Equivalent to 106 /8s, 165 /16s and 224 /24s Percentage of available address space announced: 48.3 Percentage of allocated address space announced: 61.7 Percentage of available address space allocated: 78.2 Total number of prefixes smaller than registry allocations: 114416
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 59325 Total APNIC prefixes after maximum aggregation: 20916 APNIC Deaggregation factor: 2.84 Prefixes being announced from the APNIC address blocks: 56122 Unique aggregates announced from the APNIC address blocks: 22022 APNIC Region origin ASes present in the Internet Routing Table: 3085 APNIC Prefixes per ASN: 18.19 APNIC Region origin ASes announcing only one prefix: 796 APNIC Region transit ASes present in the Internet Routing Table: 471 Average APNIC Region AS path length visible: 5.7 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 324029364 Equivalent to 19 /8s, 80 /16s and 75 /24s Percentage of available APNIC address space announced: 74.1
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, 114/7, 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: 113545 Total ARIN prefixes after maximum aggregation: 64232 ARIN Deaggregation factor: 1.77 Prefixes being announced from the ARIN address blocks: 83860 Unique aggregates announced from the ARIN address blocks: 32612 ARIN Region origin ASes present in the Internet Routing Table: 11938 ARIN Prefixes per ASN: 7.02 ARIN Region origin ASes announcing only one prefix: 4593 ARIN Region transit ASes present in the Internet Routing Table: 1140 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 352193952 Equivalent to 20 /8s, 254 /16s and 13 /24s Percentage of available ARIN address space announced: 77.7
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: 50506 Total RIPE prefixes after maximum aggregation: 31946 RIPE Deaggregation factor: 1.58 Prefixes being announced from the RIPE address blocks: 47407 Unique aggregates announced from the RIPE address blocks: 30622 RIPE Region origin ASes present in the Internet Routing Table: 10466 RIPE Prefixes per ASN: 4.53 RIPE Region origin ASes announcing only one prefix: 5540 RIPE Region transit ASes present in the Internet Routing Table: 1642 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 335675936 Equivalent to 20 /8s, 2 /16s and 2 /24s Percentage of available RIPE address space announced: 77.0
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 40960-45055 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: 17994 Total LACNIC prefixes after maximum aggregation: 4588 LACNIC Deaggregation factor: 3.92 Prefixes being announced from the LACNIC address blocks: 15714 Unique aggregates announced from the LACNIC address blocks: 8741 LACNIC Region origin ASes present in the Internet Routing Table: 870 LACNIC Prefixes per ASN: 18.06 LACNIC Region origin ASes announcing only one prefix: 275 LACNIC Region transit ASes present in the Internet Routing Table: 149 Average LACNIC Region AS path length visible: 6.2 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 45858816 Equivalent to 2 /8s, 187 /16s and 192 /24s Percentage of available LACNIC address space announced: 45.6
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 186/7, 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 3344 Total AfriNIC prefixes after maximum aggregation: 1099 AfriNIC Deaggregation factor: 3.04 Prefixes being announced from the AfriNIC address blocks: 2447 Unique aggregates announced from the AfriNIC address blocks: 1394 AfriNIC Region origin ASes present in the Internet Routing Table: 213 AfriNIC Prefixes per ASN: 11.49 AfriNIC Region origin ASes announcing only one prefix: 71 AfriNIC Region transit ASes present in the Internet Routing Table: 38 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 7628544 Equivalent to 0 /8s, 116 /16s and 103 /24s Percentage of available AfriNIC address space announced: 22.7
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 4538 2773 2974 36 China Education and Research 4134 1722 11560 302 CHINANET-BACKBONE 4755 1434 383 66 Videsh Sanchar Nigam Ltd. Aut 9583 1108 108 16 Sify Limited 9498 1038 549 64 BHARTI BT INTERNET LTD. 23577 907 34 785 Korea Telecom (ATM-MPLS) 17488 874 57 69 Hathway IP Over Cable Interne 4766 815 5473 327 Korea Telecom (KIX) 7545 723 159 121 TPG Internet Pty Ltd 18101 609 119 53 Reliance Infocom Ltd Internet 1221 592 1951 436 Telstra Pty Ltd 4812 524 866 77 China Telecom (Shanghai) 9829 524 1312 9 BSNL National Internet Backbo 4668 520 68 10 LG-EDS Systems Inc. 17676 504 10919 64 Softbank BB Corp. 4808 496 794 119 CNCGROUP IP network: China169 4802 487 133 141 Wantree Development 7474 455 202 266 SingTel Optus Pty Ltd 9443 442 121 73 Primus Telecommunications 9942 423 76 112 COMindico Australia
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 470 1917 383 UUNET - Commercial IP service 8551 348 334 33 Bezeq International 9116 335 168 28 Goldenlines main autonomous s 3301 316 1441 293 TeliaNet Sweden 3320 314 6035 261 Deutsche Telekom AG 1273 283 307 107 Cable & Wireless Deutschland 6746 273 129 251 Dynamic Network Technologies, 8708 273 421 244 Romania Data Systems S.A. 680 268 2045 254 DFN-IP service G-WiN 8866 268 62 25 Bulgarian Telecommunication C 3215 263 2503 98 France Telecom Transpac 8220 255 444 236 COLT Telecommunications 8452 255 188 7 TEDATA 5089 237 1666 54 NTL Group Limited 3352 235 1932 41 Ibernet, Internet Access Netw 3269 228 2935 75 TELECOM ITALIA 3300 219 171 95 AUCS Communications Services 9121 213 1442 25 TTnet Autonomous System 1257 207 1195 177 SWIPnet Swedish IP Network 3246 198 257 186 Song Networks
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1494 10233 993 AT&T WorldNet Services 4323 1359 1014 358 Time Warner Telecom 2386 1251 614 773 AT&T Data Communications Serv 11492 1161 119 51 Cable One 6478 1121 329 184 AT&T Worldnet Services 18566 1030 288 9 Covad Communications 6197 1028 690 516 BellSouth Network Solutions, 174 980 6882 845 Cogent Communications 7011 979 290 562 Citizens Utilities 577 934 844 211 Bell Advanced Communications 701 898 6567 704 UUNET Technologies, Inc. 20115 846 772 466 Charter Communications 3561 815 2341 378 Savvis 22773 801 2133 54 Cox Communications, Inc. 1239 793 2681 552 Sprint 19262 793 2844 178 Verizon Global Networks 3356 788 10877 405 Level 3 Communications, LLC 209 732 3784 575 Qwest 5668 663 176 17 CenturyTel Internet Holdings, 852 594 1109 359 Telus Advanced Communications
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4134 1722 1420 CHINANET-BACKBONE 4755 1434 1368 Videsh Sanchar Nigam Ltd. Aut 11492 1161 1110 Cable One 9583 1108 1092 Sify Limited 18566 1030 1021 Covad Communications 4323 1359 1001 Time Warner Telecom 9498 1038 974 BHARTI BT INTERNET LTD. 6478 1121 937 AT&T Worldnet Services 8151 1148 934 UniNet S.A. de C.V. 17488 874 805 Hathway IP Over Cable Interne 22773 801 747 Cox Communications, Inc. 577 934 723 Bell Advanced Communications 5668 663 646 CenturyTel Internet Holdings, 19262 793 615 Verizon Global Networks 7545 723 602 TPG Internet Pty Ltd 18101 609 556 Reliance Infocom Ltd Internet 6517 586 552 Yipes Communications, Inc. 15270 589 549 PaeTec.net -a division of Pae 19916 569 522 OLM LLC 9829 524 515 BSNL National Internet Backbo
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65500 PRIVATE 68.87.20.0/24 36733 Comcast Cable Commun 64999 PRIVATE 78.24.120.0/23 3257 Tiscali Intl Network 64999 PRIVATE 78.24.122.0/23 3257 Tiscali Intl Network 64999 PRIVATE 78.24.124.0/24 3257 Tiscali Intl Network 64999 PRIVATE 78.24.125.0/24 3257 Tiscali Intl Network 64999 PRIVATE 78.24.126.0/24 3257 Tiscali Intl Network 64999 PRIVATE 78.24.127.0/24 3257 Tiscali Intl Network 65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans 65100 PRIVATE 129.6.112.0/24 10886 University of Maryla 65100 PRIVATE 193.253.152.0/24 3215 France Telecom Trans 64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In 64532 PRIVATE 195.22.48.64/27 6721 The Terminal Bar: In 64519 PRIVATE 195.47.33.160/27 6721 The Terminal Bar: In 64519 PRIVATE 195.47.33.192/28 6721 The Terminal Bar: In 64540 PRIVATE 195.47.75.48/28 6721 The Terminal Bar: In 64540 PRIVATE 195.47.75.64/28 6721 The Terminal Bar: In 64516 PRIVATE 195.47.88.128/25 6721 The Terminal Bar: In 65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw 65002 PRIVATE 198.128.4.0/24 292 Energy Sciences Netw 65001 PRIVATE 198.128.15.96/27 293 Energy Sciences Netw 65002 PRIVATE 198.129.33.36/32 292 Energy Sciences Netw 65001 PRIVATE 198.129.44.28/32 293 Energy Sciences Netw 65002 PRIVATE 198.129.224.96/29 292 Energy Sciences Netw 65002 PRIVATE 198.129.252.32/30 292 Energy Sciences Netw 65002 PRIVATE 198.129.252.112/30 292 Energy Sciences Netw 65002 PRIVATE 198.129.252.116/30 292 Energy Sciences Netw 65002 PRIVATE 198.129.252.120/30 292 Energy Sciences Netw 65300 PRIVATE 216.243.221.0/24 11320 Internet Express, In 65300 PRIVATE 216.243.222.0/24 11320 Internet Express, In 65300 PRIVATE 216.243.223.0/24 11320 Internet Express, In 64512 PRIVATE 217.134.164.0/22 5428 Energis Communicatio 64512 PRIVATE 217.134.168.0/21 5428 Energis Communicatio 64512 PRIVATE 217.134.176.0/21 5428 Energis Communicatio 64512 PRIVATE 217.134.184.0/22 5428 Energis Communicatio
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 172.31.46.0/24 38416 KRNIC 192.0.2.0/24 2854 RoSprint AS (Global One Russi 192.168.253.0/24 4323 Time Warner Telecom
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 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 172.14.254.0/24 20312 CNTI-REACCIUN "Centro Naciona 172.15.254.0/24 20312 CNTI-REACCIUN "Centro Naciona 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 /10:16 /11:39 /12:136 /13:276 /14:490 /15:962 /16:9823 /17:4285 /18:6875 /19:15014 /20:17762 /21:16008 /22:20643 /23:21404 /24:127361 /25:949 /26:1134 /27:619 /28:281 /29:235 /30:342 /31:0 /32:76
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1152 1161 Cable One 6478 1120 1121 AT&T Worldnet Services 18566 1012 1030 Covad Communications 9583 946 1108 Sify Limited 2386 940 1251 AT&T Data Communications Serv 4538 932 2773 China Education and Research 23577 898 907 Korea Telecom (ATM-MPLS) 7011 866 979 Citizens Utilities 7018 823 1494 AT&T WorldNet Services 4755 817 1434 Videsh Sanchar Nigam Ltd. Aut 6197 774 1028 BellSouth Network Solutions, 9498 722 1038 BHARTI BT INTERNET LTD. 577 693 934 Bell Advanced Communications 17488 689 874 Hathway IP Over Cable Interne 4766 606 815 Korea Telecom (KIX) 4323 574 1359 Time Warner Telecom 19916 564 569 OLM LLC 15270 551 589 PaeTec.net -a division of Pae 4134 544 1722 CHINANET-BACKBONE 6517 541 586 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:90 12:1814 13:1 15:19 16:3 17:6 18:13 20:35 24:1028 25:1 32:174 33:3 38:357 40:64 41:376 43:6 44:2 47:8 52:3 55:3 56:3 57:43 58:519 59:422 60:384 61:1038 62:996 63:2002 64:3385 65:2432 66:3643 67:858 68:692 69:2015 70:481 71:120 72:1423 73:8 74:750 75:320 76:160 77:416 78:265 79:10 80:872 81:824 82:599 83:355 84:647 85:818 86:413 87:585 88:283 89:1025 90:38 91:709 92:5 96:1 97:6 98:12 116:423 117:208 118:42 121:338 122:637 123:205 124:703 125:1117 128:307 129:196 130:142 131:369 132:61 133:9 134:194 135:34 136:189 137:85 138:156 139:105 140:509 141:145 142:372 143:256 144:316 145:46 146:326 147:130 148:547 149:186 150:168 151:137 152:94 153:121 154:12 155:261 156:164 157:225 158:159 159:193 160:127 161:100 162:190 163:184 164:505 165:401 166:302 167:307 168:514 169:128 170:419 171:22 172:6 189:103 190:1205 192:5792 193:4018 194:3284 195:2549 196:1001 198:3879 199:3235 200:5258 201:1230 202:7939 203:7859 204:3996 205:2011 206:2441 207:2827 208:2947 209:3642 210:2822 211:1205 212:1327 213:1552 214:431 215:43 216:4179 217:1208 218:429 219:454 220:1020 221:442 222:349
End of report
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