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Routing Table Report 00:00 GMT Mon 29 Jan, 2007
Analysis Summary ----------------
BGP routing table entries examined: 213775 Prefixes after maximum aggregation: 113677 Deaggregation factor: 1.88 Unique aggregates announced to Internet: 101479 Total ASes present in the Internet Routing Table: 24297 Origin-only ASes present in the Internet Routing Table: 21130 Origin ASes announcing only one prefix: 10194 Transit ASes present in the Internet Routing Table: 3167 Transit-only ASes present in the Internet Routing Table: 76 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 39 Max AS path prepend of ASN (14282) 36 Prefixes from unregistered ASNs in the Routing Table: 14 Unregistered ASNs in the Routing Table: 14 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1668260824 Equivalent to 99 /8s, 111 /16s and 163 /24s Percentage of available address space announced: 45.0 Percentage of allocated address space announced: 61.9 Percentage of available address space allocated: 72.8 Total number of prefixes smaller than registry allocations: 110218
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 47570 Total APNIC prefixes after maximum aggregation: 18837 APNIC Deaggregation factor: 2.53 Prefixes being announced from the APNIC address blocks: 44926 Unique aggregates announced from the APNIC address blocks: 19214 APNIC Region origin ASes present in the Internet Routing Table: 2843 APNIC Region origin ASes announcing only one prefix: 788 APNIC Region transit ASes present in the Internet Routing Table: 431 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 281247632 Equivalent to 16 /8s, 195 /16s and 127 /24s Percentage of available APNIC address space announced: 69.7
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: 105205 Total ARIN prefixes after maximum aggregation: 61367 ARIN Deaggregation factor: 1.71 Prefixes being announced from the ARIN address blocks: 77246 Unique aggregates announced from the ARIN address blocks: 29063 ARIN Region origin ASes present in the Internet Routing Table: 11310 ARIN Region origin ASes announcing only one prefix: 4320 ARIN Region transit ASes present in the Internet Routing Table: 1063 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 314939360 Equivalent to 18 /8s, 197 /16s and 151 /24s Percentage of available ARIN address space announced: 69.5
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: 44521 Total RIPE prefixes after maximum aggregation: 28528 RIPE Deaggregation factor: 1.56 Prefixes being announced from the RIPE address blocks: 41376 Unique aggregates announced from the RIPE address blocks: 26676 RIPE Region origin ASes present in the Internet Routing Table: 9129 RIPE Region origin ASes announcing only one prefix: 4781 RIPE Region transit ASes present in the Internet Routing Table: 1467 Average RIPE Region AS path length visible: 3.7 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 287343264 Equivalent to 17 /8s, 32 /16s and 130 /24s Percentage of available RIPE address space announced: 77.8
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 40960-43007 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: 13949 Total LACNIC prefixes after maximum aggregation: 3986 LACNIC Deaggregation factor: 3.50 Prefixes being announced from the LACNIC address blocks: 11972 Unique aggregates announced from the LACNIC address blocks: 6922 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: 136 Average LACNIC Region AS path length visible: 4.3 Max LACNIC Region AS path length visible: 39 Number of LACNIC addresses announced to Internet: 36637696 Equivalent to 2 /8s, 47 /16s and 12 /24s Percentage of available LACNIC address space announced: 54.6
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: 2517 Total AfriNIC prefixes after maximum aggregation: 957 AfriNIC Deaggregation factor: 2.63 Prefixes being announced from the AfriNIC address blocks: 1806 Unique aggregates announced from the AfriNIC address blocks: 1156 AfriNIC Region origin ASes present in the Internet Routing Table: 175 AfriNIC Region origin ASes announcing only one prefix: 54 AfriNIC Region transit ASes present in the Internet Routing Table: 28 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC addresses announced to Internet: 5380608 Equivalent to 0 /8s, 82 /16s and 26 /24s Percentage of available AfriNIC address space announced: 16.0
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 1279 8647 274 CHINANET-BACKBONE 4755 1089 383 72 Videsh Sanchar Nigam Ltd. Aut 9583 1050 109 16 Sify Limited 9498 928 467 63 BHARTI BT INTERNET LTD. 23577 777 35 702 Korea Telecom (ATM-MPLS) 4766 763 4944 313 Korea Telecom (KIX) 1221 608 1698 450 Telstra Pty Ltd 17488 588 37 20 Hathway IP Over Cable Interne 7545 562 126 76 TPG Internet Pty Ltd 18101 515 103 27 Reliance Infocom Ltd Internet 17676 503 10935 66 Softbank BB Corp. 9443 442 111 74 Primus Telecommunications 4812 436 763 69 China Telecom (Shanghai) 9942 429 85 126 COMindico Australia 7474 390 212 246 SingTel Optus Pty Ltd 17974 364 129 14 PT TELEKOMUNIKASI INDONESIA 17849 353 33 93 Telecommunications Technology 17557 349 34 164 Pakistan Telecom 4802 346 85 145 Wantree Development 2907 339 1749 310 SINET Japan
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 546 1898 425 UUNET - Commercial IP service 3215 390 2192 93 France Telecom Transpac 3301 305 1199 287 TeliaNet Sweden 3320 298 4993 249 Deutsche Telekom AG 24863 297 44 24 LINKdotNET AS number 8220 273 473 264 COLT Telecommunications 6746 271 95 248 Dynamic Network Technologies, 1257 258 1097 174 SWIPnet Swedish IP Network 680 257 2044 251 DFN-IP service G-WiN 5089 241 1657 52 NTL Group Limited 8708 234 283 221 Romania Data Systems S.A. 30890 214 18 90 SC Kappa Invexim SRL 3269 213 2391 71 TELECOM ITALIA 3246 207 354 197 Song Networks 5416 206 13 9 BATELCO-BH 8551 197 197 24 Bezeq International 20858 189 34 3 This AS will be used to conne 3300 187 171 94 AUCS Communications Services 2119 186 772 163 Telenor Internet Access 3352 182 1767 31 Ibernet, Internet Access Netw
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1545 10198 989 AT&T WorldNet Services 2386 1107 585 732 AT&T Data Communications Serv 4323 1056 818 294 Time Warner Telecom 6197 1023 647 501 BellSouth Network Solutions, 18566 989 288 9 Covad Communications 701 945 6694 746 UUNET Technologies, Inc. 174 934 6789 863 Cogent Communications 11492 912 99 15 Cable One 705 883 520 290 UUNET Technologies, Inc. 1239 836 2747 584 Sprint 19262 808 2576 180 Verizon Global Networks 20115 794 689 417 Charter Communications 7011 731 218 454 Citizens Utilities 22773 723 1872 41 Cox Communications, Inc. 209 718 3750 564 Qwest 721 686 21836 280 DLA Systems Automation Center 852 622 1091 393 Telus Advanced Communications 577 588 760 210 Bell Advanced Communications 5668 582 161 19 CenturyTel Internet Holdings, 19916 568 49 54 OLM LLC
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 9583 1050 1034 Sify Limited 4755 1089 1017 Videsh Sanchar Nigam Ltd. Aut 4134 1279 1005 CHINANET-BACKBONE 18566 989 980 Covad Communications 11492 912 897 Cable One 9498 928 865 BHARTI BT INTERNET LTD. 4323 1056 762 Time Warner Telecom 8151 940 736 UniNet S.A. de C.V. 22773 723 682 Cox Communications, Inc. 19262 808 628 Verizon Global Networks 705 883 593 UUNET Technologies, Inc. 17488 588 568 Hathway IP Over Cable Interne 5668 582 563 CenturyTel Internet Holdings, 6197 1023 522 BellSouth Network Solutions, 19916 568 514 OLM LLC 11830 504 495 Instituto Costarricense de El 855 565 492 Canadian Research Network 18101 515 488 Reliance Infocom Ltd Internet 7545 562 486 TPG Internet Pty Ltd 15270 500 466 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr 65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr 65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc. 65404 PRIVATE 203.2.172.0/24 9466 UUNET Japan Limited 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 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 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 /9:10 /10:13 /11:33 /12:117 /13:238 /14:416 /15:817 /16:9243 /17:3746 /18:6090 /19:13194 /20:14828 /21:13283 /22:17085 /23:18276 /24:113722 /25:767 /26:534 /27:470 /28:181 /29:148 /30:467 /31:0 /32:78
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 971 989 Covad Communications 11492 898 912 Cable One 9583 877 1050 Sify Limited 7018 854 1545 AT&T WorldNet Services 2386 830 1107 AT&T Data Communications Serv 6197 795 1023 BellSouth Network Solutions, 23577 763 777 Korea Telecom (ATM-MPLS) 7011 634 731 Citizens Utilities 9498 585 928 BHARTI BT INTERNET LTD. 4766 571 763 Korea Telecom (KIX) 19916 563 568 OLM LLC 4755 499 1089 Videsh Sanchar Nigam Ltd. Aut 15270 468 500 PaeTec.net -a division of Pae 855 464 565 Canadian Research Network 705 459 883 UUNET Technologies, Inc. 5668 447 582 CenturyTel Internet Holdings, 18101 447 515 Reliance Infocom Ltd Internet 17488 411 588 Hathway IP Over Cable Interne 1239 408 836 Sprint 33588 403 425 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 7:1 8:61 9:1 12:1675 13:1 15:15 16:3 17:3 18:5 20:38 24:877 25:1 32:168 38:277 40:57 41:66 44:2 47:10 52:4 55:1 56:3 57:41 58:298 59:378 60:203 61:965 62:1107 63:2074 64:3234 65:2338 66:3155 67:735 68:639 69:1732 70:430 71:133 72:1144 73:1 74:150 75:64 76:22 77:3 80:842 81:783 82:686 83:358 84:503 85:773 86:466 87:474 88:276 89:780 90:2 91:177 97:1 116:1 117:1 118:1 119:1 120:1 121:127 122:68 123:26 124:576 125:784 128:304 129:221 130:126 131:318 132:49 133:11 134:182 135:44 136:180 137:117 138:190 139:103 140:519 141:134 142:387 143:211 144:268 145:66 146:317 147:141 148:367 149:193 150:115 151:117 152:90 153:119 154:6 155:250 156:125 157:174 158:170 159:147 160:98 161:86 162:228 163:161 164:452 165:288 166:246 167:281 168:496 169:121 170:379 171:15 172:1 189:145 190:357 192:5802 193:3680 194:2965 195:2331 196:934 198:3868 199:3312 200:4654 201:964 202:7201 203:7318 204:4008 205:2110 206:2481 207:2982 208:2446 209:3588 210:2367 211:932 212:1357 213:1477 214:390 215:39 216:4073 217:1343 218:377 219:268 220:861 221:371 222:277
End of report
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