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Routing Table Report 00:00 GMT Tue 04 Sep, 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/2007/09/04
Analysis Summary ----------------
BGP routing table entries examined: 235497 Prefixes after maximum aggregation: 120837 Deaggregation factor: 1.95 Unique aggregates announced to Internet: 111130 Total ASes present in the Internet Routing Table: 26157 Prefixes per ASN: 9.00 Origin-only ASes present in the Internet Routing Table: 22746 Origin ASes announcing only one prefix: 11045 Transit ASes present in the Internet Routing Table: 3411 Transit-only ASes present in the Internet Routing Table: 80 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 32 Max AS path prepend of ASN (16327) 25 Prefixes from unregistered ASNs in the Routing Table: 39 Unregistered ASNs in the Routing Table: 21 Prefixes from 32-bit ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1756984716 Equivalent to 104 /8s, 185 /16s and 117 /24s Percentage of available address space announced: 47.4 Percentage of allocated address space announced: 62.1 Percentage of available address space allocated: 76.4 Total number of prefixes smaller than registry allocations: 125322
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 56188 Total APNIC prefixes after maximum aggregation: 20857 APNIC Deaggregation factor: 2.69 Prefixes being announced from the APNIC address blocks: 53019 Unique aggregates announced from the APNIC address blocks: 21558 APNIC Region origin ASes present in the Internet Routing Table: 3055 APNIC Prefixes per ASN: 17.35 APNIC Region origin ASes announcing only one prefix: 804 APNIC Region transit ASes present in the Internet Routing Table: 460 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 313559484 Equivalent to 18 /8s, 176 /16s and 137 /24s Percentage of available APNIC address space announced: 77.7
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: 110726 Total ARIN prefixes after maximum aggregation: 63381 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 81357 Unique aggregates announced from the ARIN address blocks: 31881 ARIN Region origin ASes present in the Internet Routing Table: 11782 ARIN Prefixes per ASN: 6.91 ARIN Region origin ASes announcing only one prefix: 4498 ARIN Region transit ASes present in the Internet Routing Table: 1114 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 343178848 Equivalent to 20 /8s, 116 /16s and 126 /24s Percentage of available ARIN address space announced: 75.8
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: 49169 Total RIPE prefixes after maximum aggregation: 31113 RIPE Deaggregation factor: 1.58 Prefixes being announced from the RIPE address blocks: 45612 Unique aggregates announced from the RIPE address blocks: 29641 RIPE Region origin ASes present in the Internet Routing Table: 10173 RIPE Prefixes per ASN: 4.48 RIPE Region origin ASes announcing only one prefix: 5398 RIPE Region transit ASes present in the Internet Routing Table: 1619 Average RIPE Region AS path length visible: 4.2 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 326238784 Equivalent to 19 /8s, 114 /16s and 2 /24s Percentage of available RIPE address space announced: 74.8
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: 16532 Total LACNIC prefixes after maximum aggregation: 4424 LACNIC Deaggregation factor: 3.74 Prefixes being announced from the LACNIC address blocks: 14638 Unique aggregates announced from the LACNIC address blocks: 7825 LACNIC Region origin ASes present in the Internet Routing Table: 860 LACNIC Prefixes per ASN: 17.02 LACNIC Region origin ASes announcing only one prefix: 276 LACNIC Region transit ASes present in the Internet Routing Table: 145 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 23 Number of LACNIC addresses announced to Internet: 42196224 Equivalent to 2 /8s, 131 /16s and 221 /24s Percentage of available LACNIC address space announced: 62.9
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: 2837 Total AfriNIC prefixes after maximum aggregation: 1048 AfriNIC Deaggregation factor: 2.71 Prefixes being announced from the AfriNIC address blocks: 2368 Unique aggregates announced from the AfriNIC address blocks: 1339 AfriNIC Region origin ASes present in the Internet Routing Table: 206 AfriNIC Prefixes per ASN: 11.50 AfriNIC Region origin ASes announcing only one prefix: 69 AfriNIC Region transit ASes present in the Internet Routing Table: 33 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 7470592 Equivalent to 0 /8s, 113 /16s and 254 /24s Percentage of available AfriNIC address space announced: 22.3
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 4538 1937 2974 36 China Education and Research 4755 1343 383 71 Videsh Sanchar Nigam Ltd. Aut 9583 1132 100 104 Sify Limited 4134 1072 11194 290 CHINANET-BACKBONE 9498 997 532 64 BHARTI BT INTERNET LTD. 23577 924 34 792 Korea Telecom (ATM-MPLS) 4766 805 5441 321 Korea Telecom (KIX) 17488 795 52 61 Hathway IP Over Cable Interne 7545 732 159 119 TPG Internet Pty Ltd 18101 596 119 52 Reliance Infocom Ltd Internet 1221 592 1951 437 Telstra Pty Ltd 4812 548 968 97 China Telecom (Shanghai) 4668 516 68 10 LG-EDS Systems Inc. 17676 503 10919 64 Softbank BB Corp. 4808 481 778 114 CNCGROUP IP network: China169 9443 466 122 78 Primus Telecommunications 7474 453 216 268 SingTel Optus Pty Ltd 4802 441 117 154 Wantree Development 9942 438 74 111 COMindico Australia 17974 373 130 13 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 492 1923 394 UUNET - Commercial IP service 24863 366 57 39 LINKdotNET AS number 9116 355 168 26 Goldenlines main autonomous s 5089 325 1658 54 NTL Group Limited 8551 321 316 40 Bezeq International 3301 314 1456 294 TeliaNet Sweden 3320 313 6035 260 Deutsche Telekom AG 1273 288 306 105 Cable & Wireless Deutschland 6746 288 130 264 Dynamic Network Technologies, 680 269 2045 257 DFN-IP service G-WiN 8708 262 420 241 Romania Data Systems S.A. 8220 261 445 243 COLT Telecommunications 3215 258 2424 98 France Telecom Transpac 3352 227 1868 38 Ibernet, Internet Access Netw 3269 221 2775 73 TELECOM ITALIA 9121 214 1441 24 TTnet Autonomous System 1257 205 1195 170 SWIPnet Swedish IP Network 3300 201 172 95 AUCS Communications Services 3292 195 1379 175 TDC Tele Danmark 2856 192 2316 152 BTnet UK Regional network
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1485 10178 995 AT&T WorldNet Services 4323 1320 992 373 Time Warner Telecom 2386 1214 618 747 AT&T Data Communications Serv 11492 1136 110 11 Cable One 6478 1134 325 169 AT&T Worldnet Services 6197 1030 718 508 BellSouth Network Solutions, 18566 1023 288 9 Covad Communications 174 972 6780 860 Cogent Communications 701 936 6577 714 UUNET Technologies, Inc. 7011 919 278 549 Citizens Utilities 20115 817 751 436 Charter Communications 1239 807 2727 566 Sprint 19262 767 2744 176 Verizon Global Networks 22773 762 2149 50 Cox Communications, Inc. 209 741 3837 586 Qwest 577 706 813 202 Bell Advanced Communications 5668 657 176 23 CenturyTel Internet Holdings, 3356 596 10812 345 Level 3 Communications, LLC 6517 596 165 38 Yipes Communications, Inc. 852 588 1095 362 Telus Advanced Communications
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1343 1272 Videsh Sanchar Nigam Ltd. Aut 11492 1136 1125 Cable One 9583 1132 1028 Sify Limited 18566 1023 1014 Covad Communications 6478 1134 965 AT&T Worldnet Services 4323 1320 947 Time Warner Telecom 9498 997 933 BHARTI BT INTERNET LTD. 4134 1072 782 CHINANET-BACKBONE 17488 795 734 Hathway IP Over Cable Interne 22773 762 712 Cox Communications, Inc. 8151 901 692 UniNet S.A. de C.V. 5668 657 634 CenturyTel Internet Holdings, 7545 732 613 TPG Internet Pty Ltd 19262 767 591 Verizon Global Networks 6517 596 558 Yipes Communications, Inc. 18101 596 544 Reliance Infocom Ltd Internet 15270 574 536 PaeTec.net -a division of Pae 6197 1030 522 BellSouth Network Solutions, 19916 568 517 OLM LLC 4668 516 506 LG-EDS Systems Inc.
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc. 65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans 65100 PRIVATE 129.6.112.0/24 10886 University of Maryla 64586 PRIVATE 192.170.73.0/24 4845 Chung Hsiao East Roa 65100 PRIVATE 193.253.152.0/24 3215 France Telecom Trans 64513 PRIVATE 194.149.101.192/28 6721 The Terminal Bar: In 64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In 64524 PRIVATE 194.149.116.64/28 6721 The Terminal Bar: In 64514 PRIVATE 194.149.116.176/28 6721 The Terminal Bar: In 64532 PRIVATE 195.22.48.64/27 6721 The Terminal Bar: In 64526 PRIVATE 195.47.13.96/28 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 64526 PRIVATE 195.47.39.128/26 6721 The Terminal Bar: In 64513 PRIVATE 195.47.40.128/26 6721 The Terminal Bar: In 64513 PRIVATE 195.47.40.128/25 6721 The Terminal Bar: In 64513 PRIVATE 195.47.40.192/26 6721 The Terminal Bar: In 64540 PRIVATE 195.47.75.48/28 6721 The Terminal Bar: In 64516 PRIVATE 195.47.88.128/25 6721 The Terminal Bar: In 64526 PRIVATE 195.47.100.0/25 6721 The Terminal Bar: In 65000 PRIVATE 195.47.102.0/25 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.0/26 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.64/27 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.96/28 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.112/28 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.128/25 6721 The Terminal Bar: In 64501 RESERVED 195.189.160.0/24 35041 Crystone Autonomous 65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw 64586 PRIVATE 202.165.137.0/24 4845 Chung Hsiao East Roa 64586 PRIVATE 202.165.140.0/24 4845 Chung Hsiao East Roa 64586 PRIVATE 202.165.141.0/24 4845 Chung Hsiao East Roa 64586 PRIVATE 202.165.142.0/24 4845 Chung Hsiao East Roa 64586 PRIVATE 202.165.143.0/24 4845 Chung Hsiao East Roa 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 64588 PRIVATE 207.107.179.0/24 2491 fONOROLA 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 192.0.2.0/24 2854 RoSprint AS (Global One Russi
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 /11:38 /12:134 /13:265 /14:474 /15:927 /16:9673 /17:4159 /18:6682 /19:14111 /20:16715 /21:15227 /22:19627 /23:20515 /24:123465 /25:883 /26:1146 /27:593 /28:265 /29:187 /30:277 /31:6 /32:86
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6478 1133 1134 AT&T Worldnet Services 11492 1128 1136 Cable One 18566 1005 1023 Covad Communications 9583 968 1132 Sify Limited 23577 915 924 Korea Telecom (ATM-MPLS) 2386 907 1214 AT&T Data Communications Serv 4538 903 1937 China Education and Research 7018 821 1485 AT&T WorldNet Services 7011 813 919 Citizens Utilities 6197 783 1030 BellSouth Network Solutions, 4755 727 1343 Videsh Sanchar Nigam Ltd. Aut 9498 670 997 BHARTI BT INTERNET LTD. 17488 618 795 Hathway IP Over Cable Interne 4766 603 805 Korea Telecom (KIX) 19916 563 568 OLM LLC 6517 561 596 Yipes Communications, Inc. 4323 554 1320 Time Warner Telecom 15270 538 574 PaeTec.net -a division of Pae 5668 522 657 CenturyTel Internet Holdings, 4668 506 516 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 7:1 8:87 12:1824 13:2 15:19 16:3 17:3 18:13 20:36 24:987 25:1 32:173 33:3 38:347 40:60 41:320 43:6 44:2 47:4 52:4 55:3 56:3 57:42 58:498 59:398 60:369 61:1026 62:996 63:2015 64:3206 65:2428 66:3410 67:824 68:662 69:1982 70:464 71:116 72:1402 73:2 74:643 75:306 76:130 77:330 78:48 80:847 81:826 82:599 83:393 84:616 85:811 86:340 87:489 88:285 89:978 90:25 91:534 97:5 116:295 117:157 118:9 121:272 122:592 123:171 124:671 125:989 128:270 129:217 130:139 131:364 132:55 133:9 134:196 135:34 136:189 137:86 138:153 139:105 140:500 141:174 142:397 143:254 144:293 145:46 146:329 147:123 148:394 149:150 150:110 151:157 152:91 153:119 154:4 155:264 156:160 157:214 158:158 159:170 160:114 161:98 162:177 163:182 164:481 165:395 166:287 167:300 168:517 169:123 170:390 171:22 172:2 189:73 190:1014 192:5806 193:4003 194:3264 195:2392 196:1029 198:3887 199:3289 200:5111 201:1194 202:7780 203:7745 204:3962 205:1981 206:2481 207:2934 208:2818 209:3511 210:2755 211:1216 212:1353 213:1495 214:415 215:40 216:3995 217:1207 218:392 219:450 220:1032 221:418 222:301
End of report
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