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Routing Table Report 04:00 +10GMT Fri 23 Feb, 2007
Analysis Summary ----------------
BGP routing table entries examined: 212975 Prefixes after maximum aggregation: 114337 Deaggregation factor: 1.86 Unique aggregates announced to Internet: 103684 Total ASes present in the Internet Routing Table: 24450 Origin-only ASes present in the Internet Routing Table: 21285 Origin ASes announcing only one prefix: 10284 Transit ASes present in the Internet Routing Table: 3165 Transit-only ASes present in the Internet Routing Table: 78 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: 1686191980 Equivalent to 100 /8s, 129 /16s and 63 /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: 110023
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 48200 Total APNIC prefixes after maximum aggregation: 19372 APNIC Deaggregation factor: 2.49 Prefixes being announced from the APNIC address blocks: 45296 Unique aggregates announced from the APNIC address blocks: 20389 APNIC Region origin ASes present in the Internet Routing Table: 2875 APNIC Region origin ASes announcing only one prefix: 782 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: 290437088 Equivalent to 17 /8s, 79 /16s and 183 /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: 104177 Total ARIN prefixes after maximum aggregation: 61237 ARIN Deaggregation factor: 1.70 Prefixes being announced from the ARIN address blocks: 76154 Unique aggregates announced from the ARIN address blocks: 29527 ARIN Region origin ASes present in the Internet Routing Table: 11362 ARIN Region origin ASes announcing only one prefix: 4361 ARIN Region transit ASes present in the Internet Routing Table: 1058 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 318944128 Equivalent to 19 /8s, 2 /16s and 179 /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: 28701 RIPE Deaggregation factor: 1.53 Prefixes being announced from the RIPE address blocks: 40659 Unique aggregates announced from the RIPE address blocks: 27104 RIPE Region origin ASes present in the Internet Routing Table: 9190 RIPE Region origin ASes announcing only one prefix: 4831 RIPE Region transit ASes present in the Internet Routing Table: 1483 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 291673348 Equivalent to 17 /8s, 98 /16s and 149 /24s Percentage of available RIPE address space announced: 79.0
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: 14048 Total LACNIC prefixes after maximum aggregation: 4062 LACNIC Deaggregation factor: 3.46 Prefixes being announced from the LACNIC address blocks: 12099 Unique aggregates announced from the LACNIC address blocks: 6977 LACNIC Region origin ASes present in the Internet Routing Table: 763 LACNIC Region origin ASes announcing only one prefix: 249 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: 37560832 Equivalent to 2 /8s, 61 /16s and 34 /24s Percentage of available LACNIC address space announced: 56.0
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: 2574 Total AfriNIC prefixes after maximum aggregation: 963 AfriNIC Deaggregation factor: 2.67 Prefixes being announced from the AfriNIC address blocks: 1892 Unique aggregates announced from the AfriNIC address blocks: 1180 AfriNIC Region origin ASes present in the Internet Routing Table: 181 AfriNIC Region origin ASes announcing only one prefix: 60 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: 19 Number of AfriNIC addresses announced to Internet: 5419008 Equivalent to 0 /8s, 82 /16s and 176 /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 8720 276 CHINANET-BACKBONE 4755 1121 383 77 Videsh Sanchar Nigam Ltd. Aut 9583 1072 77 374 Sify Limited 9498 958 468 66 BHARTI BT INTERNET LTD. 23577 778 35 708 Korea Telecom (ATM-MPLS) 4766 769 4944 310 Korea Telecom (KIX) 17488 598 39 24 Hathway IP Over Cable Interne 7545 585 142 75 TPG Internet Pty Ltd 1221 580 1686 442 Telstra Pty Ltd 18101 522 103 23 Reliance Infocom Ltd Internet 17676 503 10935 65 Softbank BB Corp. 4812 499 779 73 China Telecom (Shanghai) 4668 459 67 12 LG-EDS Systems Inc. 9443 444 111 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 1499 6125 986 AT&T WorldNet Services 4323 1330 1005 350 Time Warner Telecom 6478 1125 443 192 AT&T Worldnet Services 2386 1113 570 738 AT&T Data Communications Serv 6197 1016 651 498 BellSouth Network Solutions, 18566 992 288 9 Covad Communications 11492 978 101 15 Cable One 701 942 6696 749 UUNET Technologies, Inc. 174 940 6792 865 Cogent Communications 1239 816 2729 572 Sprint 20115 801 706 421 Charter Communications 7011 786 227 475 Citizens Utilities 19262 757 2591 178 Verizon Global Networks 22773 733 1872 41 Cox Communications, Inc. 209 712 3743 569 Qwest 721 633 21787 274 DLA Systems Automation Center 852 595 1088 381 Telus Advanced Communications 5668 570 160 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 328 45 22 LINKdotNET AS number 3301 310 1199 289 TeliaNet Sweden 3320 298 4993 249 Deutsche Telekom AG 8220 270 469 261 COLT Telecommunications 6746 269 95 247 Dynamic Network Technologies, 680 257 2044 251 DFN-IP service G-WiN 8708 242 284 228 Romania Data Systems S.A. 3215 239 2224 92 France Telecom Transpac 1257 223 1116 172 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 8551 204 196 28 Bezeq International 3352 202 1783 33 Ibernet, Internet Access Netw 20858 197 34 3 EgyNet 3300 182 171 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 1031 2030 210 UniNet S.A. de C.V. 11830 482 299 19 Instituto Costarricense de El 11172 348 109 85 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 204 173 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 152 22 17 NEWCOM AMERICAS 18822 145 9 10 TELEFONICA MANQUEHUE 19429 145 90 37 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 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 50 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 1121 1044 Videsh Sanchar Nigam Ltd. Aut 4134 1275 999 CHINANET-BACKBONE 18566 992 983 Covad Communications 4323 1330 980 Time Warner Telecom 11492 978 963 Cable One 6478 1125 933 AT&T Worldnet Services 9498 958 892 BHARTI BT INTERNET LTD. 8151 1031 821 UniNet S.A. de C.V. 9583 1072 698 Sify Limited 22773 733 692 Cox Communications, Inc. 19262 757 579 Verizon Global Networks 17488 598 574 Hathway IP Over Cable Interne 5668 570 554 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 /15:822 /16:9253 /17:3738 /18:6154 /19:13176 /20:14895 /21:13431 /22:17221 /23:18455 /24:113067 /25:715 /26:518 /27:439 /28:68 /29:43 /30:104 /31:0 /32:33
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6478 1077 1125 AT&T Worldnet Services 18566 974 992 Covad Communications 11492 964 978 Cable One 9583 908 1072 Sify Limited 2386 837 1113 AT&T Data Communications Serv 7018 810 1499 AT&T WorldNet Services 6197 795 1016 BellSouth Network Solutions, 23577 764 778 Korea Telecom (ATM-MPLS) 7011 686 786 Citizens Utilities 9498 612 958 BHARTI BT INTERNET LTD. 4766 577 769 Korea Telecom (KIX) 19916 563 568 OLM LLC 4323 527 1330 Time Warner Telecom 4755 527 1121 Videsh Sanchar Nigam Ltd. Aut 15270 475 507 PaeTec.net -a division of Pae 855 465 566 Canadian Research Network 18101 453 522 Reliance Infocom Ltd Internet 4668 451 459 LG-EDS Systems Inc. 5668 440 570 CenturyTel Internet Holdings, 17488 420 598 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 7:1 8:62 9:1 12:1794 13:1 15:16 16:3 17:3 18:5 20:36 24:903 25:1 32:53 38:282 40:57 41:91 44:2 47:7 52:4 55:1 56:3 57:25 58:307 59:390 60:211 61:947 62:1027 63:1916 64:3152 65:2324 66:3151 67:733 68:652 69:1730 70:455 71:98 72:1221 73:1 74:170 75:80 76:4 77:34 80:827 81:779 82:654 83:363 84:503 85:732 86:442 87:493 88:245 89:808 90:3 91:175 97:1 116:1 117:1 118:1 119:1 120:1 121:137 122:248 123:40 124:595 125:825 128:312 129:218 130:131 131:348 132:49 133:9 134:190 135:38 136:181 137:120 138:195 139:52 140:505 141:142 142:371 143:212 144:273 145:43 146:315 147:146 148:375 149:187 150:114 151:116 152:94 153:118 154:5 155:246 156:151 157:177 158:169 159:150 160:99 161:88 162:231 163:163 164:450 165:380 166:245 167:282 168:508 169:120 170:387 171:15 172:1 189:187 190:425 192:5755 193:3729 194:2988 195:2197 196:958 198:3737 199:3279 200:4587 201:985 202:7191 203:7343 204:3970 205:2064 206:2400 207:2847 208:2475 209:3592 210:2378 211:928 212:1295 213:1429 214:406 215:40 216:4050 217:1168 218:348 219:272 220:851 221:373 222:261
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