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Routing Table Report 04:00 +10GMT Wed 21 Feb, 2007
Analysis Summary ----------------
BGP routing table entries examined: 212832 Prefixes after maximum aggregation: 114409 Deaggregation factor: 1.86 Unique aggregates announced to Internet: 103657 Total ASes present in the Internet Routing Table: 24412 Origin-only ASes present in the Internet Routing Table: 21253 Origin ASes announcing only one prefix: 10263 Transit ASes present in the Internet Routing Table: 3159 Transit-only ASes present in the Internet Routing Table: 77 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 32 Max AS path prepend of ASN (20858) 18 Prefixes from unregistered ASNs in the Routing Table: 4 Unregistered ASNs in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1685791212 Equivalent to 100 /8s, 123 /16s and 33 /24s Percentage of available address space announced: 45.5 Percentage of allocated address space announced: 62.5 Percentage of available address space allocated: 72.8 Total number of prefixes smaller than registry allocations: 109899
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 48079 Total APNIC prefixes after maximum aggregation: 19321 APNIC Deaggregation factor: 2.49 Prefixes being announced from the APNIC address blocks: 45172 Unique aggregates announced from the APNIC address blocks: 20380 APNIC Region origin ASes present in the Internet Routing Table: 2865 APNIC Region origin ASes announcing only one prefix: 785 APNIC Region transit ASes present in the Internet Routing Table: 422 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 290831968 Equivalent to 17 /8s, 85 /16s and 190 /24s Percentage of available APNIC address space announced: 72.0
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: 104196 Total ARIN prefixes after maximum aggregation: 61383 ARIN Deaggregation factor: 1.70 Prefixes being announced from the ARIN address blocks: 76205 Unique aggregates announced from the ARIN address blocks: 29500 ARIN Region origin ASes present in the Internet Routing Table: 11348 ARIN Region origin ASes announcing only one prefix: 4348 ARIN Region transit ASes present in the Internet Routing Table: 1047 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 318856832 Equivalent to 19 /8s, 1 /16s and 94 /24s Percentage of available ARIN address space announced: 70.4
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: 43922 Total RIPE prefixes after maximum aggregation: 28684 RIPE Deaggregation factor: 1.53 Prefixes being announced from the RIPE address blocks: 40606 Unique aggregates announced from the RIPE address blocks: 27066 RIPE Region origin ASes present in the Internet Routing Table: 9179 RIPE Region origin ASes announcing only one prefix: 4823 RIPE Region transit ASes present in the Internet Routing Table: 1489 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 290948356 Equivalent to 17 /8s, 87 /16s and 133 /24s Percentage of available RIPE address space announced: 78.8
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: 14061 Total LACNIC prefixes after maximum aggregation: 4057 LACNIC Deaggregation factor: 3.47 Prefixes being announced from the LACNIC address blocks: 12133 Unique aggregates announced from the LACNIC address blocks: 7031 LACNIC Region origin ASes present in the Internet Routing Table: 762 LACNIC Region origin ASes announcing only one prefix: 247 LACNIC Region transit ASes present in the Internet Routing Table: 133 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 37496576 Equivalent to 2 /8s, 60 /16s and 39 /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: 2571 Total AfriNIC prefixes after maximum aggregation: 962 AfriNIC Deaggregation factor: 2.67 Prefixes being announced from the AfriNIC address blocks: 1883 Unique aggregates announced from the AfriNIC address blocks: 1177 AfriNIC Region origin ASes present in the Internet Routing Table: 180 AfriNIC Region origin ASes announcing only one prefix: 59 AfriNIC Region transit ASes present in the Internet Routing Table: 35 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 5413376 Equivalent to 0 /8s, 82 /16s and 154 /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 1275 8718 277 CHINANET-BACKBONE 4755 1116 383 77 Videsh Sanchar Nigam Ltd. Aut 9583 1069 77 375 Sify Limited 9498 955 468 66 BHARTI BT INTERNET LTD. 23577 779 35 707 Korea Telecom (ATM-MPLS) 4766 767 4944 310 Korea Telecom (KIX) 17488 597 39 26 Hathway IP Over Cable Interne 7545 585 142 75 TPG Internet Pty Ltd 1221 578 1686 440 Telstra Pty Ltd 18101 522 103 23 Reliance Infocom Ltd Internet 17676 503 10935 65 Softbank BB Corp. 4812 498 763 72 China Telecom (Shanghai) 4668 461 67 12 LG-EDS Systems Inc. 9443 443 111 75 Primus Telecommunications 7474 380 216 259 SingTel Optus Pty Ltd 17849 370 35 94 Telecommunications Technology 4802 359 86 149 Wantree Development 17557 352 34 169 Pakistan Telecom 17974 347 129 14 PT TELEKOMUNIKASI INDONESIA 2907 336 1749 309 SINET Japan
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1499 6125 986 AT&T WorldNet Services 4323 1371 892 556 Time Warner Telecom 6478 1131 452 192 AT&T Worldnet Services 2386 1109 570 734 AT&T Data Communications Serv 6197 1016 651 498 BellSouth Network Solutions, 18566 991 288 9 Covad Communications 11492 960 100 18 Cable One 701 942 6696 750 UUNET Technologies, Inc. 174 937 6792 864 Cogent Communications 1239 817 2729 573 Sprint 20115 807 708 417 Charter Communications 7011 785 226 474 Citizens Utilities 19262 755 2591 178 Verizon Global Networks 22773 732 1872 41 Cox Communications, Inc. 209 711 3742 567 Qwest 721 641 21787 274 DLA Systems Automation Center 852 605 1090 391 Telus Advanced Communications 5668 573 160 16 CenturyTel Internet Holdings, 19916 568 49 54 OLM LLC 855 566 250 70 Canadian Research Network
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 547 1896 425 UUNET - Commercial IP service 24863 325 45 25 LINKdotNET AS number 3301 313 1199 291 TeliaNet Sweden 3320 298 4993 249 Deutsche Telekom AG 8220 270 469 261 COLT Telecommunications 6746 268 95 247 Dynamic Network Technologies, 680 257 2044 251 DFN-IP service G-WiN 8708 242 284 228 Romania Data Systems S.A. 3215 238 2224 92 France Telecom Transpac 1257 222 1112 171 SWIPnet Swedish IP Network 5416 219 14 15 BATELCO-BH 3269 213 2423 71 TELECOM ITALIA 3246 208 355 197 Song Networks 30890 205 17 97 SC Kappa Invexim SRL 8551 203 196 28 Bezeq International 3352 200 1783 33 Ibernet, Internet Access Netw 20858 197 34 3 EgyNet 3300 181 171 89 AUCS Communications Services 12479 177 578 6 Uni2 Autonomous System 786 172 1779 172 The JANET IP Service
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 1022 2046 214 UniNet S.A. de C.V. 11830 482 299 19 Instituto Costarricense de El 11172 347 108 84 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 22047 307 206 11 VTR PUNTO NET S.A. 6471 253 74 30 ENTEL CHILE S.A. 7303 251 142 30 Telecom Argentina Stet-France 14117 239 16 13 Telefonica del Sur S.A. 11556 237 128 4 Cable-Wireless Panama 6147 229 182 20 Telefonica Del Peru 6503 204 173 86 AVANTEL, S.A. 10481 181 72 8 Prima S.A. 21826 156 27 56 INTERCABLE 7910 152 11 32 ANDINET ON LINE 20299 149 19 21 NEWCOM AMERICAS 23216 148 19 42 RAMtelecom Telecomunicaciones 18822 145 9 10 TELEFONICA MANQUEHUE 19169 143 9 25 Telconet 19429 143 88 35 E.T.B. 14522 140 22 9 SatNet S.A.
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 290 868 232 The Internet Solution 8452 244 60 6 TEDATA 15475 155 84 4 Nile Online 6713 144 135 11 Itissalat Al-MAGHRIB 2018 138 309 113 Tertiary Education Network 5536 123 8 15 Internet Egypt Network 2905 121 178 94 The Internetworking Company o 33783 111 6 5 EEPAD TISP TELECOM & INTERNET 24835 86 48 6 RAYA Telecom - Egypt 2561 64 6 2 Egyptian Universities Network 15706 55 12 4 Sudatel Internet Exchange Aut 23889 53 16 13 MAURITIUS TELECOM 5713 44 294 34 Telkom SA Ltd 33774 42 12 22 AS Number for Telecom Algeria 16637 33 21 25 Johnnic e-Ventures 33766 33 2 1 Nyala Communications Pty Ltd 8524 30 2 6 AUCEGYPT Autonomous System 21280 27 4 4 Swift Global Kenya Ltd.Is an 33776 27 2 5 Starcomms Nigeria Limited 12455 26 6 3 Jambonet Autonomous system
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1116 1039 Videsh Sanchar Nigam Ltd. Aut 4134 1275 998 CHINANET-BACKBONE 18566 991 982 Covad Communications 11492 960 942 Cable One 6478 1131 939 AT&T Worldnet Services 9498 955 889 BHARTI BT INTERNET LTD. 4323 1371 815 Time Warner Telecom 8151 1022 808 UniNet S.A. de C.V. 9583 1069 694 Sify Limited 22773 732 691 Cox Communications, Inc. 19262 755 577 Verizon Global Networks 17488 597 571 Hathway IP Over Cable Interne 5668 573 557 CenturyTel Internet Holdings, 6197 1016 518 BellSouth Network Solutions, 19916 568 514 OLM LLC 7545 585 510 TPG Internet Pty Ltd 18101 522 499 Reliance Infocom Ltd Internet 855 566 496 Canadian Research Network 15270 507 473 PaeTec.net -a division of Pae 11830 482 463 Instituto Costarricense de El
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So
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 /8:20 /9:9 /10:12 /11:33 /12:117 /13:226 /14:426 /15:823 /16:9243 /17:3734 /18:6155 /19:13164 /20:14869 /21:13417 /22:17232 /23:18415 /24:113033 /25:712 /26:506 /27:436 /28:69 /29:44 /30:104 /31:0 /32:33
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6478 1078 1131 AT&T Worldnet Services 18566 973 991 Covad Communications 11492 946 960 Cable One 9583 905 1069 Sify Limited 2386 833 1109 AT&T Data Communications Serv 7018 811 1499 AT&T WorldNet Services 6197 795 1016 BellSouth Network Solutions, 23577 765 779 Korea Telecom (ATM-MPLS) 7011 686 785 Citizens Utilities 9498 610 955 BHARTI BT INTERNET LTD. 4323 588 1371 Time Warner Telecom 4766 574 767 Korea Telecom (KIX) 19916 563 568 OLM LLC 4755 523 1116 Videsh Sanchar Nigam Ltd. Aut 15270 475 507 PaeTec.net -a division of Pae 855 465 566 Canadian Research Network 4668 453 461 LG-EDS Systems Inc. 18101 453 522 Reliance Infocom Ltd Internet 5668 443 573 CenturyTel Internet Holdings, 17488 419 597 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 7:1 8:62 9:1 12:1790 13:1 15:16 16:3 17:3 18:5 20:36 24:893 25:1 32:53 38:282 40:57 41:89 44:2 47:7 52:4 55:1 56:3 57:25 58:305 59:388 60:211 61:944 62:1028 63:1917 64:3208 65:2320 66:3150 67:727 68:651 69:1729 70:456 71:98 72:1217 73:1 74:167 75:80 76:4 77:32 80:845 81:777 82:660 83:363 84:507 85:730 86:428 87:492 88:246 89:803 90:3 91:177 97:1 116:1 117:1 118:1 119:1 120:1 121:135 122:192 123:39 124:572 125:808 128:309 129:219 130:131 131:347 132:49 133:9 134:187 135:38 136:181 137:116 138:196 139:52 140:504 141:141 142:368 143:212 144:273 145:43 146:315 147:147 148:373 149:189 150:114 151:116 152:94 153:119 154:5 155:247 156:151 157:173 158:169 159:147 160:99 161:88 162:231 163:163 164:450 165:381 166:245 167:282 168:502 169:120 170:388 171:15 172:1 189:172 190:425 192:5746 193:3706 194:2973 195:2208 196:958 198:3741 199:3274 200:4634 201:985 202:7188 203:7350 204:3969 205:2052 206:2394 207:2852 208:2468 209:3605 210:2374 211:928 212:1305 213:1426 214:406 215:39 216:4125 217:1163 218:348 219:272 220:854 221:373 222:261
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