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Routing Table Report 00:00 GMT Tue 13 Feb, 2007
Analysis Summary ----------------
BGP routing table entries examined: 219822 Prefixes after maximum aggregation: 115392 Deaggregation factor: 1.91 Unique aggregates announced to Internet: 102593 Total ASes present in the Internet Routing Table: 24415 Origin-only ASes present in the Internet Routing Table: 21141 Origin ASes announcing only one prefix: 10255 Transit ASes present in the Internet Routing Table: 3274 Transit-only ASes present in the Internet Routing Table: 87 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 34 Max AS path prepend of ASN (14282) 31 Prefixes from unregistered ASNs in the Routing Table: 72 Unregistered ASNs in the Routing Table: 30 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 13 Number of addresses announced to Internet: 1678885832 Equivalent to 100 /8s, 17 /16s and 195 /24s Percentage of available address space announced: 45.3 Percentage of allocated address space announced: 62.3 Percentage of available address space allocated: 72.8 Total number of prefixes smaller than registry allocations: 115350
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 47927 Total APNIC prefixes after maximum aggregation: 19002 APNIC Deaggregation factor: 2.52 Prefixes being announced from the APNIC address blocks: 45128 Unique aggregates announced from the APNIC address blocks: 19444 APNIC Region origin ASes present in the Internet Routing Table: 2857 APNIC Region origin ASes announcing only one prefix: 793 APNIC Region transit ASes present in the Internet Routing Table: 441 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 283447840 Equivalent to 16 /8s, 229 /16s and 18 /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: 110417 Total ARIN prefixes after maximum aggregation: 62371 ARIN Deaggregation factor: 1.77 Prefixes being announced from the ARIN address blocks: 82347 Unique aggregates announced from the ARIN address blocks: 29394 ARIN Region origin ASes present in the Internet Routing Table: 11333 ARIN Region origin ASes announcing only one prefix: 4336 ARIN Region transit ASes present in the Internet Routing Table: 1105 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 319650016 Equivalent to 19 /8s, 13 /16s and 120 /24s Percentage of available ARIN address space announced: 70.6
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: 44943 Total RIPE prefixes after maximum aggregation: 28955 RIPE Deaggregation factor: 1.55 Prefixes being announced from the RIPE address blocks: 41861 Unique aggregates announced from the RIPE address blocks: 26920 RIPE Region origin ASes present in the Internet Routing Table: 9193 RIPE Region origin ASes announcing only one prefix: 4819 RIPE Region transit ASes present in the Internet Routing Table: 1511 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 290545792 Equivalent to 17 /8s, 81 /16s and 96 /24s Percentage of available RIPE address space announced: 78.7
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: 13811 Total LACNIC prefixes after maximum aggregation: 4062 LACNIC Deaggregation factor: 3.40 Prefixes being announced from the LACNIC address blocks: 11893 Unique aggregates announced from the LACNIC address blocks: 7141 LACNIC Region origin ASes present in the Internet Routing Table: 763 LACNIC Region origin ASes announcing only one prefix: 250 LACNIC Region transit ASes present in the Internet Routing Table: 138 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 34 Number of LACNIC addresses announced to Internet: 37498112 Equivalent to 2 /8s, 60 /16s and 45 /24s Percentage of available LACNIC address space announced: 55.9
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: 2655 Total AfriNIC prefixes after maximum aggregation: 1000 AfriNIC Deaggregation factor: 2.65 Prefixes being announced from the AfriNIC address blocks: 1918 Unique aggregates announced from the AfriNIC address blocks: 1172 AfriNIC Region origin ASes present in the Internet Routing Table: 181 AfriNIC Region origin ASes announcing only one prefix: 56 AfriNIC Region transit ASes present in the Internet Routing Table: 34 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC addresses announced to Internet: 5407744 Equivalent to 0 /8s, 82 /16s and 132 /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 1101 383 74 Videsh Sanchar Nigam Ltd. Aut 9583 932 109 16 Sify Limited 9498 893 465 59 BHARTI BT INTERNET LTD. 23577 782 35 707 Korea Telecom (ATM-MPLS) 4766 767 4944 313 Korea Telecom (KIX) 1221 616 1684 454 Telstra Pty Ltd 7545 587 126 76 TPG Internet Pty Ltd 17488 521 34 43 Hathway IP Over Cable Interne 18101 520 103 23 Reliance Infocom Ltd Internet 17676 503 10935 65 Softbank BB Corp. 7474 452 215 256 SingTel Optus Pty Ltd 4812 443 795 73 China Telecom (Shanghai) 9443 443 111 75 Primus Telecommunications 9942 429 85 124 COMindico Australia 17849 370 35 94 Telecommunications Technology 4802 363 86 150 Wantree Development 17557 358 34 170 Pakistan Telecom 17974 347 129 14 PT TELEKOMUNIKASI INDONESIA 2907 340 1749 311 SINET Japan
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 545 1881 423 UUNET - Commercial IP service 2119 390 790 327 Telenor Internet Access 3301 315 1199 290 TeliaNet Sweden 24863 306 44 24 LINKdotNET AS number 3320 296 4993 247 Deutsche Telekom AG 8220 272 468 263 COLT Telecommunications 6746 267 95 246 Dynamic Network Technologies, 1257 259 1100 171 SWIPnet Swedish IP Network 680 257 2044 251 DFN-IP service G-WiN 5089 241 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 208 355 198 Song Networks 30890 206 17 96 SC Kappa Invexim SRL 8551 205 197 25 Bezeq International 20858 197 34 3 EgyNet 3352 196 1767 31 Ibernet, Internet Access Netw 3300 187 171 92 AUCS Communications Services
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4808 6694 742 UUNET Technologies, Inc. 7018 1503 10212 985 AT&T WorldNet Services 705 1335 558 601 UUNET Technologies, Inc. 4323 1125 826 356 Time Warner Telecom 2386 1110 570 734 AT&T Data Communications Serv 6197 1016 651 498 BellSouth Network Solutions, 18566 988 288 9 Covad Communications 11492 942 100 15 Cable One 174 930 6791 861 Cogent Communications 1239 823 2730 577 Sprint 20115 799 700 419 Charter Communications 7011 786 227 475 Citizens Utilities 7046 786 266 655 UUNET Technologies, Inc. 19262 757 2591 178 Verizon Global Networks 22773 727 1872 41 Cox Communications, Inc. 209 721 3742 566 Qwest 721 678 21836 278 DLA Systems Automation Center 852 619 1090 392 Telus Advanced Communications 577 588 760 207 Bell Advanced Communications 5668 576 160 16 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1101 1027 Videsh Sanchar Nigam Ltd. Aut 4134 1281 1004 CHINANET-BACKBONE 18566 988 979 Covad Communications 11492 942 927 Cable One 9583 932 916 Sify Limited 9498 893 834 BHARTI BT INTERNET LTD. 8151 1019 815 UniNet S.A. de C.V. 4323 1125 769 Time Warner Telecom 705 1335 734 UUNET Technologies, Inc. 22773 727 686 Cox Communications, Inc. 19262 757 579 Verizon Global Networks 5668 576 560 CenturyTel Internet Holdings, 7018 1503 518 AT&T WorldNet Services 6197 1016 518 BellSouth Network Solutions, 19916 568 514 OLM LLC 7545 587 511 TPG Internet Pty Ltd 18101 520 497 Reliance Infocom Ltd Internet 855 565 495 Canadian Research Network 17488 521 478 Hathway IP Over Cable Interne 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 64512 PRIVATE 80.66.96.0/20 3209 Arcor IP-Network 65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr 65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr 64984 PRIVATE 168.224.4.0/23 29487 PFIZER 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 64538 PRIVATE 195.22.39.0/24 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 64515 PRIVATE 195.47.26.0/24 6721 The Terminal Bar: In 64515 PRIVATE 195.47.27.0/24 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 64538 PRIVATE 195.47.57.0/24 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 42349 UNALLOCATED 213.91.183.0/24 8866 Bulgarian Telecommun 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 65019 PRIVATE 216.195.13.0/24 19034 Norcom Networks Corp 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 /12:119 /13:238 /14:424 /15:828 /16:9240 /17:3779 /18:6160 /19:13309 /20:14921 /21:13462 /22:17548 /23:18723 /24:118086 /25:857 /26:642 /27:505 /28:210 /29:168 /30:451 /31:0 /32:77
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3573 4808 UUNET Technologies, Inc. 18566 970 988 Covad Communications 11492 928 942 Cable One 2386 833 1110 AT&T Data Communications Serv 705 828 1335 UUNET Technologies, Inc. 7018 807 1503 AT&T WorldNet Services 6197 795 1016 BellSouth Network Solutions, 9583 772 932 Sify Limited 23577 768 782 Korea Telecom (ATM-MPLS) 7011 685 786 Citizens Utilities 9498 608 893 BHARTI BT INTERNET LTD. 4766 575 767 Korea Telecom (KIX) 19916 563 568 OLM LLC 7046 546 786 UUNET Technologies, Inc. 4755 510 1101 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, 33588 410 432 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 7:1 8:63 9:1 12:1672 13:1 15:16 16:3 17:3 18:5 20:38 24:899 25:1 32:172 38:279 40:57 41:70 44:2 47:7 52:4 55:1 56:3 57:51 58:313 59:377 60:207 61:937 62:1082 63:3331 64:3361 65:3662 66:3218 67:741 68:665 69:1741 70:448 71:97 72:1185 73:1 74:164 75:77 76:2 77:18 80:849 81:783 82:700 83:371 84:513 85:753 86:463 87:477 88:229 89:792 90:3 91:197 97:1 116:1 117:1 118:1 119:1 120:1 121:135 122:84 123:38 124:579 125:786 128:308 129:219 130:136 131:341 132:49 133:11 134:186 135:40 136:181 137:118 138:195 139:105 140:503 141:141 142:392 143:215 144:270 145:43 146:315 147:147 148:376 149:193 150:114 151:116 152:94 153:119 154:6 155:250 156:129 157:176 158:168 159:149 160:98 161:91 162:228 163:163 164:458 165:330 166:246 167:281 168:499 169:120 170:379 171:15 172:1 189:162 190:388 192:5796 193:3725 194:2994 195:2310 196:1000 198:3896 199:3356 200:4580 201:963 202:7125 203:7289 204:4108 205:2215 206:2635 207:3126 208:3145 209:3719 210:2344 211:970 212:1385 213:1464 214:404 215:39 216:4226 217:1175 218:371 219:274 220:872 221:309 222:264
End of report
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