Routing Table Report 00:00 GMT Sun 11 Feb, 2007 Analysis Summary ---------------- BGP routing table entries examined: 219601 Prefixes after maximum aggregation: 115045 Deaggregation factor: 1.91 Unique aggregates announced to Internet: 102559 Total ASes present in the Internet Routing Table: 24392 Origin-only ASes present in the Internet Routing Table: 21158 Origin ASes announcing only one prefix: 10247 Transit ASes present in the Internet Routing Table: 3234 Transit-only ASes present in the Internet Routing Table: 80 Average AS path length visible in the Internet Routing Table: 6.0 Max AS path length visible: 33 Max AS path prepend of ASN (17697) 13 Prefixes from unregistered ASNs in the Routing Table: 65 Unregistered ASNs in the Routing Table: 26 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 13 Number of addresses announced to Internet: 1677468776 Equivalent to 99 /8s, 252 /16s and 36 /24s Percentage of available address space announced: 45.3 Percentage of allocated address space announced: 62.2 Percentage of available address space allocated: 72.8 Total number of prefixes smaller than registry allocations: 115077 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 48178 Total APNIC prefixes after maximum aggregation: 18959 APNIC Deaggregation factor: 2.54 Prefixes being announced from the APNIC address blocks: 45373 Unique aggregates announced from the APNIC address blocks: 19566 APNIC Region origin ASes present in the Internet Routing Table: 2855 APNIC Region origin ASes announcing only one prefix: 790 APNIC Region transit ASes present in the Internet Routing Table: 430 Average APNIC Region AS path length visible: 6.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 283459648 Equivalent to 16 /8s, 229 /16s and 64 /24s Percentage of available APNIC address space announced: 70.2 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: 110250 Total ARIN prefixes after maximum aggregation: 62249 ARIN Deaggregation factor: 1.77 Prefixes being announced from the ARIN address blocks: 82240 Unique aggregates announced from the ARIN address blocks: 29312 ARIN Region origin ASes present in the Internet Routing Table: 11348 ARIN Region origin ASes announcing only one prefix: 4342 ARIN Region transit ASes present in the Internet Routing Table: 1093 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 319340512 Equivalent to 19 /8s, 8 /16s and 191 /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: 44579 Total RIPE prefixes after maximum aggregation: 28808 RIPE Deaggregation factor: 1.55 Prefixes being announced from the RIPE address blocks: 41554 Unique aggregates announced from the RIPE address blocks: 26860 RIPE Region origin ASes present in the Internet Routing Table: 9171 RIPE Region origin ASes announcing only one prefix: 4813 RIPE Region transit ASes present in the Internet Routing Table: 1505 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 33 Number of RIPE addresses announced to Internet: 289376768 Equivalent to 17 /8s, 63 /16s and 138 /24s Percentage of available RIPE address space announced: 78.4 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: 13892 Total LACNIC prefixes after maximum aggregation: 4031 LACNIC Deaggregation factor: 3.45 Prefixes being announced from the LACNIC address blocks: 11953 Unique aggregates announced from the LACNIC address blocks: 7150 LACNIC Region origin ASes present in the Internet Routing Table: 758 LACNIC Region origin ASes announcing only one prefix: 246 LACNIC Region transit ASes present in the Internet Routing Table: 129 Average LACNIC Region AS path length visible: 6.5 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 37395968 Equivalent to 2 /8s, 58 /16s and 158 /24s Percentage of available LACNIC address space announced: 55.7 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: 2639 Total AfriNIC prefixes after maximum aggregation: 996 AfriNIC Deaggregation factor: 2.65 Prefixes being announced from the AfriNIC address blocks: 1903 Unique aggregates announced from the AfriNIC address blocks: 1161 AfriNIC Region origin ASes present in the Internet Routing Table: 179 AfriNIC Region origin ASes announcing only one prefix: 55 AfriNIC Region transit ASes present in the Internet Routing Table: 34 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 5391360 Equivalent to 0 /8s, 82 /16s and 68 /24s Percentage of available AfriNIC address space announced: 16.1 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 1281 8660 277 CHINANET-BACKBONE 4755 1100 383 75 Videsh Sanchar Nigam Ltd. Aut 9583 1039 109 16 Sify Limited 9498 942 467 64 BHARTI BT INTERNET LTD. 23577 777 35 704 Korea Telecom (ATM-MPLS) 4766 765 4944 313 Korea Telecom (KIX) 1221 613 1682 452 Telstra Pty Ltd 17488 594 39 23 Hathway IP Over Cable Interne 7545 578 126 76 TPG Internet Pty Ltd 18101 520 103 23 Reliance Infocom Ltd Internet 17676 503 10935 65 Softbank BB Corp. 7474 452 215 256 SingTel Optus Pty Ltd 4812 444 803 73 China Telecom (Shanghai) 9443 441 111 73 Primus Telecommunications 9942 433 85 128 COMindico Australia 17849 370 35 94 Telecommunications Technology 4802 361 86 148 Wantree Development 17557 361 34 168 Pakistan Telecom 17974 347 129 14 PT TELEKOMUNIKASI INDONESIA 2907 339 1749 310 SINET Japan RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 546 1897 424 UUNET - Commercial IP service 3301 315 1199 290 TeliaNet Sweden 24863 306 44 24 LINKdotNET AS number 2119 304 779 264 Telenor Internet Access 3320 297 4993 248 Deutsche Telekom AG 8220 272 472 263 COLT Telecommunications 6746 266 94 245 Dynamic Network Technologies, 1257 261 1100 173 SWIPnet Swedish IP Network 680 257 2044 251 DFN-IP service G-WiN 5089 243 1657 52 NTL Group Limited 8708 240 284 226 Romania Data Systems S.A. 3215 238 2224 92 France Telecom Transpac 5416 216 14 11 BATELCO-BH 3269 212 2391 71 TELECOM ITALIA 3246 209 355 199 Song Networks 8551 201 194 29 Bezeq International 20858 197 34 3 EgyNet 3352 194 1767 31 Ibernet, Internet Access Netw 30890 187 15 91 SC Kappa Invexim SRL 3300 185 171 90 AUCS Communications Services ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 4809 6694 741 UUNET Technologies, Inc. 7018 1510 6125 990 AT&T WorldNet Services 705 1351 558 601 UUNET Technologies, Inc. 4323 1123 826 356 Time Warner Telecom 2386 1109 570 733 AT&T Data Communications Serv 6197 1027 652 504 BellSouth Network Solutions, 18566 988 288 9 Covad Communications 11492 940 100 15 Cable One 174 939 6792 866 Cogent Communications 1239 824 2722 575 Sprint 20115 799 700 419 Charter Communications 7011 785 227 474 Citizens Utilities 7046 782 267 652 UUNET Technologies, Inc. 19262 757 2591 178 Verizon Global Networks 22773 725 1872 41 Cox Communications, Inc. 209 722 3742 567 Qwest 721 678 21835 277 DLA Systems Automation Center 852 617 1074 390 Telus Advanced Communications 577 589 760 210 Bell Advanced Communications 5668 576 160 16 CenturyTel Internet Holdings, Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1100 1025 Videsh Sanchar Nigam Ltd. Aut 9583 1039 1023 Sify Limited 4134 1281 1004 CHINANET-BACKBONE 18566 988 979 Covad Communications 11492 940 925 Cable One 9498 942 878 BHARTI BT INTERNET LTD. 8151 1016 812 UniNet S.A. de C.V. 4323 1123 767 Time Warner Telecom 705 1351 750 UUNET Technologies, Inc. 22773 725 684 Cox Communications, Inc. 19262 757 579 Verizon Global Networks 17488 594 571 Hathway IP Over Cable Interne 5668 576 560 CenturyTel Internet Holdings, 6197 1027 523 BellSouth Network Solutions, 7018 1510 520 AT&T WorldNet Services 19916 568 514 OLM LLC 7545 578 502 TPG Internet Pty Ltd 18101 520 497 Reliance Infocom Ltd Internet 855 565 495 Canadian Research Network 15270 505 471 PaeTec.net -a division of Pae List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65533 PRIVATE 4.33.8.0/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.16/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.32/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.48/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.64/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.80/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.96/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.112/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.144/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.160/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.176/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.192/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.208/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.224/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.240/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.9.0/26 293 Energy Sciences Netw 65533 PRIVATE 4.33.9.128/27 293 Energy Sciences Netw 65533 PRIVATE 4.33.9.192/27 293 Energy Sciences Netw 65533 PRIVATE 4.33.9.224/27 293 Energy Sciences Netw 65533 PRIVATE 4.33.10.0/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.10.16/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.10.32/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.10.48/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.10.64/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.10.80/28 293 Energy Sciences Netw 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 65500 PRIVATE 66.225.141.0/24 16796 RealtyIQ.com 65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr 65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr 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 64542 PRIVATE 195.47.24.112/28 6721 The Terminal Bar: In 64542 PRIVATE 195.47.24.128/27 6721 The Terminal Bar: In 64542 PRIVATE 195.47.25.192/27 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 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 65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc. 65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr 65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr 65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr 22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So 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 42.205.192.0/20 36925 Meditelecom 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 /8:19 /9:9 /10:13 /11:34 /12:118 /13:238 /14:424 /15:826 /16:9230 /17:3754 /18:6121 /19:13205 /20:14875 /21:13451 /22:17509 /23:18671 /24:118236 /25:827 /26:611 /27:508 /28:214 /29:168 /30:462 /31:0 /32:78 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 3573 4809 UUNET Technologies, Inc. 18566 970 988 Covad Communications 11492 926 940 Cable One 9583 867 1039 Sify Limited 705 836 1351 UUNET Technologies, Inc. 2386 832 1109 AT&T Data Communications Serv 7018 813 1510 AT&T WorldNet Services 6197 795 1027 BellSouth Network Solutions, 23577 763 777 Korea Telecom (ATM-MPLS) 7011 684 785 Citizens Utilities 9498 597 942 BHARTI BT INTERNET LTD. 4766 573 765 Korea Telecom (KIX) 19916 563 568 OLM LLC 7046 546 782 UUNET Technologies, Inc. 4755 508 1100 Videsh Sanchar Nigam Ltd. Aut 15270 473 505 PaeTec.net -a division of Pae 855 464 565 Canadian Research Network 18101 451 520 Reliance Infocom Ltd Internet 5668 446 576 CenturyTel Internet Holdings, 17488 416 594 Hathway IP Over Cable Interne Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 6:1 7:1 8:64 9:1 12:1658 13:1 15:16 16:3 17:3 18:5 20:38 24:899 25:1 32:151 38:279 40:57 41:69 44:2 47:7 52:4 55:1 56:3 57:19 58:311 59:376 60:201 61:933 62:1079 63:3330 64:3357 65:3672 66:3207 67:737 68:664 69:1736 70:449 71:97 72:1184 73:2 74:163 75:77 76:2 77:17 80:849 81:783 82:695 83:368 84:525 85:752 86:455 87:477 88:226 89:781 90:1 91:199 97:1 116:1 117:1 118:1 119:1 120:1 121:133 122:79 123:37 124:574 125:785 128:313 129:219 130:136 131:343 132:49 133:11 134:186 135:45 136:181 137:118 138:196 139:103 140:514 141:141 142:395 143:215 144:271 145:43 146:315 147:146 148:372 149:193 150:114 151:116 152:93 153:119 154:5 155:250 156:129 157:176 158:167 159:149 160:98 161:91 162:229 163:162 164:456 165:331 166:247 167:281 168:499 169:120 170:385 171:15 172:1 189:162 190:388 192:5798 193:3708 194:2986 195:2315 196:987 198:3889 199:3348 200:4596 201:969 202:7248 203:7405 204:4102 205:2216 206:2633 207:3127 208:3153 209:3731 210:2377 211:968 212:1363 213:1458 214:406 215:39 216:4220 217:1164 218:366 219:264 220:871 221:369 222:261 End of report