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Routing Table Report 04:00 +10GMT Thu 22 Feb, 2007
Analysis Summary ----------------
BGP routing table entries examined: 212896 Prefixes after maximum aggregation: 114273 Deaggregation factor: 1.86 Unique aggregates announced to Internet: 103708 Total ASes present in the Internet Routing Table: 24426 Origin-only ASes present in the Internet Routing Table: 21262 Origin ASes announcing only one prefix: 10264 Transit ASes present in the Internet Routing Table: 3164 Transit-only ASes present in the Internet Routing Table: 80 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: 1685741292 Equivalent to 100 /8s, 122 /16s and 94 /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: 109931
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 48117 Total APNIC prefixes after maximum aggregation: 19340 APNIC Deaggregation factor: 2.49 Prefixes being announced from the APNIC address blocks: 45219 Unique aggregates announced from the APNIC address blocks: 20396 APNIC Region origin ASes present in the Internet Routing Table: 2870 APNIC Region origin ASes announcing only one prefix: 786 APNIC Region transit ASes present in the Internet Routing Table: 427 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 290420832 Equivalent to 17 /8s, 79 /16s and 120 /24s Percentage of available APNIC address space announced: 71.9
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: 104184 Total ARIN prefixes after maximum aggregation: 61208 ARIN Deaggregation factor: 1.70 Prefixes being announced from the ARIN address blocks: 76174 Unique aggregates announced from the ARIN address blocks: 29519 ARIN Region origin ASes present in the Internet Routing Table: 11355 ARIN Region origin ASes announcing only one prefix: 4351 ARIN Region transit ASes present in the Internet Routing Table: 1055 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 318907264 Equivalent to 19 /8s, 2 /16s and 35 /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: 43973 Total RIPE prefixes after maximum aggregation: 28695 RIPE Deaggregation factor: 1.53 Prefixes being announced from the RIPE address blocks: 40644 Unique aggregates announced from the RIPE address blocks: 27085 RIPE Region origin ASes present in the Internet Routing Table: 9178 RIPE Region origin ASes announcing only one prefix: 4821 RIPE Region transit ASes present in the Internet Routing Table: 1485 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 291273732 Equivalent to 17 /8s, 92 /16s and 124 /24s Percentage of available RIPE address space announced: 78.9
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: 14044 Total LACNIC prefixes after maximum aggregation: 4069 LACNIC Deaggregation factor: 3.45 Prefixes being announced from the LACNIC address blocks: 12110 Unique aggregates announced from the LACNIC address blocks: 7019 LACNIC Region origin ASes present in the Internet Routing Table: 763 LACNIC Region origin ASes announcing only one prefix: 247 LACNIC Region transit ASes present in the Internet Routing Table: 134 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 37512192 Equivalent to 2 /8s, 60 /16s and 100 /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: 2575 Total AfriNIC prefixes after maximum aggregation: 959 AfriNIC Deaggregation factor: 2.69 Prefixes being announced from the AfriNIC address blocks: 1891 Unique aggregates announced from the AfriNIC address blocks: 1178 AfriNIC Region origin ASes present in the Internet Routing Table: 179 AfriNIC Region origin ASes announcing only one prefix: 58 AfriNIC Region transit ASes present in the Internet Routing Table: 36 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 5410560 Equivalent to 0 /8s, 82 /16s and 143 /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 1120 383 77 Videsh Sanchar Nigam Ltd. Aut 9583 1072 77 374 Sify Limited 9498 956 468 66 BHARTI BT INTERNET LTD. 23577 779 35 707 Korea Telecom (ATM-MPLS) 4766 769 4944 310 Korea Telecom (KIX) 17488 597 39 26 Hathway IP Over Cable Interne 7545 587 142 76 TPG Internet Pty Ltd 1221 580 1686 442 Telstra Pty Ltd 18101 521 103 23 Reliance Infocom Ltd Internet 17676 503 10935 65 Softbank BB Corp. 4812 498 763 72 China Telecom (Shanghai) 4668 459 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 360 86 149 Wantree Development 17557 353 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 1497 6125 985 AT&T WorldNet Services 4323 1334 1005 350 Time Warner Telecom 6478 1130 451 196 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 975 101 13 Cable One 174 941 6792 866 Cogent Communications 701 941 6696 749 UUNET Technologies, Inc. 1239 817 2729 573 Sprint 20115 800 706 422 Charter Communications 7011 785 226 474 Citizens Utilities 19262 757 2591 178 Verizon Global Networks 22773 733 1872 41 Cox Communications, Inc. 209 711 3743 568 Qwest 721 642 21788 275 DLA Systems Automation Center 852 604 1090 390 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 312 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 206 17 96 SC Kappa Invexim SRL 3352 203 1783 33 Ibernet, Internet Access Netw 8551 203 196 28 Bezeq International 20858 197 34 3 EgyNet 3300 181 171 89 AUCS Communications Services 12479 177 578 6 Uni2 Autonomous System 786 173 1779 173 The JANET IP Service
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 1022 2047 213 UniNet S.A. de C.V. 11830 482 299 19 Instituto Costarricense de El 11172 349 111 86 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 230 182 20 Telefonica Del Peru 6503 205 173 86 AVANTEL, S.A. 10481 181 72 8 Prima S.A. 21826 156 27 56 INTERCABLE 23216 153 19 42 RAMtelecom Telecomunicaciones 7910 152 11 32 ANDINET ON LINE 20299 149 19 21 NEWCOM AMERICAS 18822 145 9 10 TELEFONICA MANQUEHUE 19429 144 89 36 E.T.B. 19169 143 9 25 Telconet 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 120 178 93 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 12455 27 6 3 Jambonet Autonomous system 21280 27 4 4 Swift Global Kenya Ltd.Is an 33776 27 2 5 Starcomms Nigeria Limited
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1120 1043 Videsh Sanchar Nigam Ltd. Aut 4134 1275 998 CHINANET-BACKBONE 4323 1334 984 Time Warner Telecom 18566 991 982 Covad Communications 11492 975 962 Cable One 6478 1130 934 AT&T Worldnet Services 9498 956 890 BHARTI BT INTERNET LTD. 8151 1022 809 UniNet S.A. de C.V. 9583 1072 698 Sify Limited 22773 733 692 Cox Communications, Inc. 19262 757 579 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 587 511 TPG Internet Pty Ltd 18101 521 498 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 /14:425 /15:822 /16:9248 /17:3732 /18:6155 /19:13175 /20:14883 /21:13424 /22:17223 /23:18439 /24:113041 /25:716 /26:511 /27:434 /28:70 /29:44 /30:104 /31:0 /32:33
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6478 1077 1130 AT&T Worldnet Services 18566 973 991 Covad Communications 11492 961 975 Cable One 9583 908 1072 Sify Limited 2386 833 1109 AT&T Data Communications Serv 7018 809 1497 AT&T WorldNet Services 6197 795 1016 BellSouth Network Solutions, 23577 765 779 Korea Telecom (ATM-MPLS) 7011 686 785 Citizens Utilities 9498 611 956 BHARTI BT INTERNET LTD. 4766 577 769 Korea Telecom (KIX) 19916 563 568 OLM LLC 4323 530 1334 Time Warner Telecom 4755 526 1120 Videsh Sanchar Nigam Ltd. Aut 15270 475 507 PaeTec.net -a division of Pae 855 465 566 Canadian Research Network 18101 452 521 Reliance Infocom Ltd Internet 4668 451 459 LG-EDS Systems Inc. 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 12:1791 13:1 15:16 16:3 17:3 18:5 20:36 24:902 25:1 32:53 38:282 40:57 41:89 44:2 47:7 52:4 55:1 56:3 57:25 58:306 59:390 60:211 61:943 62:1026 63:1917 64:3172 65:2321 66:3150 67:732 68:652 69:1732 70:456 71:98 72:1219 73:1 74:168 75:80 76:4 77:33 80:838 81:778 82:659 83:362 84:508 85:732 86:424 87:493 88:246 89:804 90:3 91:176 97:1 116:1 117:1 118:1 119:1 120:1 121:136 122:219 123:39 124:579 125:814 128:309 129:219 130:131 131:347 132:49 133:9 134:190 135:38 136:181 137:117 138:195 139:52 140:500 141:142 142:371 143:212 144:276 145:43 146:315 147:146 148:375 149:189 150:114 151:116 152:93 153:118 154:5 155:247 156:151 157:177 158:169 159:150 160:99 161:88 162:231 163:163 164:450 165:380 166:245 167:282 168:502 169:120 170:386 171:15 172:1 189:172 190:425 192:5749 193:3727 194:2973 195:2207 196:961 198:3739 199:3278 200:4613 201:984 202:7205 203:7345 204:3970 205:2056 206:2391 207:2853 208:2470 209:3611 210:2374 211:928 212:1295 213:1432 214:409 215:39 216:4070 217:1169 218:348 219:272 220:854 221:372 222:261
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