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Routing Table Report 04:00 +10GMT Sun 28 Jan, 2007
Analysis Summary ----------------
BGP routing table entries examined: 209073 Prefixes after maximum aggregation: 112715 Deaggregation factor: 1.85 Unique aggregates announced to Internet: 100962 Total ASes present in the Internet Routing Table: 24189 Origin-only ASes present in the Internet Routing Table: 21069 Origin ASes announcing only one prefix: 10185 Transit ASes present in the Internet Routing Table: 3120 Transit-only ASes present in the Internet Routing Table: 76 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: 2 Unregistered ASNs in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1667757068 Equivalent to 99 /8s, 103 /16s and 244 /24s Percentage of available address space announced: 45.0 Percentage of allocated address space announced: 61.8 Percentage of available address space allocated: 72.8 Total number of prefixes smaller than registry allocations: 107040
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 46656 Total APNIC prefixes after maximum aggregation: 18716 APNIC Deaggregation factor: 2.49 Prefixes being announced from the APNIC address blocks: 44101 Unique aggregates announced from the APNIC address blocks: 18445 APNIC Region origin ASes present in the Internet Routing Table: 2823 APNIC Region origin ASes announcing only one prefix: 785 APNIC Region transit ASes present in the Internet Routing Table: 421 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 281602144 Equivalent to 16 /8s, 200 /16s and 232 /24s Percentage of available APNIC address space announced: 69.8
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: 102756 Total ARIN prefixes after maximum aggregation: 60756 ARIN Deaggregation factor: 1.69 Prefixes being announced from the ARIN address blocks: 75705 Unique aggregates announced from the ARIN address blocks: 29061 ARIN Region origin ASes present in the Internet Routing Table: 11286 ARIN Region origin ASes announcing only one prefix: 4326 ARIN Region transit ASes present in the Internet Routing Table: 1032 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 314784128 Equivalent to 18 /8s, 195 /16s and 57 /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: 43310 Total RIPE prefixes after maximum aggregation: 28265 RIPE Deaggregation factor: 1.53 Prefixes being announced from the RIPE address blocks: 40004 Unique aggregates announced from the RIPE address blocks: 26614 RIPE Region origin ASes present in the Internet Routing Table: 9068 RIPE Region origin ASes announcing only one prefix: 4769 RIPE Region transit ASes present in the Internet Routing Table: 1467 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 287229604 Equivalent to 17 /8s, 30 /16s and 198 /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: 13821 Total LACNIC prefixes after maximum aggregation: 4023 LACNIC Deaggregation factor: 3.44 Prefixes being announced from the LACNIC address blocks: 11858 Unique aggregates announced from the LACNIC address blocks: 7260 LACNIC Region origin ASes present in the Internet Routing Table: 761 LACNIC Region origin ASes announcing only one prefix: 251 LACNIC Region transit ASes present in the Internet Routing Table: 135 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 36617472 Equivalent to 2 /8s, 46 /16s and 189 /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: 2528 Total AfriNIC prefixes after maximum aggregation: 953 AfriNIC Deaggregation factor: 2.65 Prefixes being announced from the AfriNIC address blocks: 1801 Unique aggregates announced from the AfriNIC address blocks: 1145 AfriNIC Region origin ASes present in the Internet Routing Table: 174 AfriNIC Region origin ASes announcing only one prefix: 53 AfriNIC Region transit ASes present in the Internet Routing Table: 32 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 5382400 Equivalent to 0 /8s, 82 /16s and 33 /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 8663 273 CHINANET-BACKBONE 4755 1091 383 76 Videsh Sanchar Nigam Ltd. Aut 9583 1029 109 16 Sify Limited 9498 933 467 64 BHARTI BT INTERNET LTD. 23577 773 34 700 Korea Telecom (ATM-MPLS) 4766 763 4944 313 Korea Telecom (KIX) 17488 588 37 20 Hathway IP Over Cable Interne 1221 569 1698 440 Telstra Pty Ltd 7545 561 126 75 TPG Internet Pty Ltd 18101 514 103 27 Reliance Infocom Ltd Internet 17676 503 10935 66 Softbank BB Corp. 9443 442 111 74 Primus Telecommunications 4812 435 763 69 China Telecom (Shanghai) 17974 364 129 14 PT TELEKOMUNIKASI INDONESIA 4802 360 86 149 Wantree Development 17849 353 33 93 Telecommunications Technology 17557 348 34 168 Pakistan Telecom 2907 336 1749 309 SINET Japan 4837 334 4071 146 chinanet IDC center beijing n 7474 315 212 244 SingTel Optus Pty Ltd
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1553 6127 998 AT&T WorldNet Services 2386 1101 569 727 AT&T Data Communications Serv 4323 1061 819 297 Time Warner Telecom 6197 1023 647 501 BellSouth Network Solutions, 18566 989 288 9 Covad Communications 174 934 6789 864 Cogent Communications 701 934 6695 743 UUNET Technologies, Inc. 11492 912 99 15 Cable One 1239 828 2730 578 Sprint 19262 808 2576 180 Verizon Global Networks 20115 795 689 412 Charter Communications 7011 731 218 454 Citizens Utilities 22773 723 1872 41 Cox Communications, Inc. 209 716 3750 563 Qwest 721 685 21836 279 DLA Systems Automation Center 852 608 1093 393 Telus Advanced Communications 5668 579 161 19 CenturyTel Internet Holdings, 19916 568 49 54 OLM LLC 855 565 250 73 Canadian Research Network 6198 552 521 258 BellSouth Network Solutions,
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 546 1898 425 UUNET - Commercial IP service 3301 305 1199 287 TeliaNet Sweden 3320 298 4993 249 Deutsche Telekom AG 24863 298 45 25 LINKdotNET AS number 8220 270 474 262 COLT Telecommunications 6746 266 95 245 Dynamic Network Technologies, 680 257 2044 251 DFN-IP service G-WiN 3215 237 2192 93 France Telecom Transpac 8708 234 283 221 Romania Data Systems S.A. 1257 224 1097 173 SWIPnet Swedish IP Network 3269 213 2391 71 TELECOM ITALIA 30890 212 18 91 SC Kappa Invexim SRL 3246 207 354 197 Song Networks 5416 205 13 13 BATELCO-BH 8551 192 193 28 Bezeq International 20858 189 34 3 This AS will be used to conne 3352 182 1767 31 Ibernet, Internet Access Netw 3300 178 171 89 AUCS Communications Services 12479 176 578 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 921 2046 204 UniNet S.A. de C.V. 11830 482 299 19 Instituto Costarricense de El 11172 385 113 83 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 22047 307 206 11 VTR PUNTO NET S.A. 6471 254 74 30 ENTEL CHILE S.A. 14117 239 17 14 Telefonica del Sur S.A. 11556 235 116 6 Cable-Wireless Panama 7303 233 104 34 Telecom Argentina Stet-France 6147 227 182 20 Telefonica Del Peru 6503 215 168 91 AVANTEL, S.A. 10481 181 72 8 Prima S.A. 21826 160 22 39 INTERCABLE 7910 152 11 32 ANDINET ON LINE 20299 150 23 14 NEWCOM AMERICAS 23216 147 19 43 RAMtelecom Telecomunicaciones 18822 145 9 10 TELEFONICA MANQUEHUE 19169 141 9 24 Telconet 19429 139 84 34 E.T.B. 14522 138 21 8 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 225 60 6 TEDATA 15475 153 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 33783 113 6 6 EEPAD TISP TELECOM & INTERNET 24835 86 48 6 RAYA Telecom - Egypt 2905 79 173 72 The Internetworking Company o 2561 62 6 2 Egyptian Universities Network 15706 54 12 4 Sudatel Internet Exchange Aut 23889 53 16 13 MAURITIUS TELECOM 5713 45 294 35 Telkom SA Ltd 12455 39 6 3 Jambonet Autonomous system 33774 38 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 33776 27 2 5 Starcomms Nigeria Limited 10798 23 1 14 Standard Bank of South Africa
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1091 1015 Videsh Sanchar Nigam Ltd. Aut 9583 1029 1013 Sify Limited 4134 1279 1006 CHINANET-BACKBONE 18566 989 980 Covad Communications 11492 912 897 Cable One 9498 933 869 BHARTI BT INTERNET LTD. 4323 1061 764 Time Warner Telecom 8151 921 717 UniNet S.A. de C.V. 22773 723 682 Cox Communications, Inc. 19262 808 628 Verizon Global Networks 17488 588 568 Hathway IP Over Cable Interne 5668 579 560 CenturyTel Internet Holdings, 6197 1023 522 BellSouth Network Solutions, 19916 568 514 OLM LLC 855 565 492 Canadian Research Network 18101 514 487 Reliance Infocom Ltd Internet 7545 561 486 TPG Internet Pty Ltd 15270 500 466 PaeTec.net -a division of Pae 11830 482 463 Instituto Costarricense de El 4766 763 450 Korea Telecom (KIX)
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
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 /9:10 /10:13 /11:33 /12:115 /13:226 /14:414 /15:812 /16:9196 /17:3678 /18:5966 /19:12961 /20:14583 /21:13001 /22:16653 /23:17893 /24:111775 /25:664 /26:458 /27:377 /28:63 /29:39 /30:90 /31:0 /32:33
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 971 989 Covad Communications 11492 898 912 Cable One 9583 858 1029 Sify Limited 7018 857 1553 AT&T WorldNet Services 2386 827 1101 AT&T Data Communications Serv 6197 795 1023 BellSouth Network Solutions, 23577 759 773 Korea Telecom (ATM-MPLS) 7011 634 731 Citizens Utilities 9498 592 933 BHARTI BT INTERNET LTD. 4766 571 763 Korea Telecom (KIX) 19916 563 568 OLM LLC 4755 500 1091 Videsh Sanchar Nigam Ltd. Aut 15270 468 500 PaeTec.net -a division of Pae 855 464 565 Canadian Research Network 18101 446 514 Reliance Infocom Ltd Internet 5668 445 579 CenturyTel Internet Holdings, 17488 411 588 Hathway IP Over Cable Interne 1239 408 828 Sprint 33588 403 425 Bresnan Communications, LLC. 6198 390 552 BellSouth Network Solutions,
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 7:1 8:61 9:1 12:1657 13:1 15:15 16:3 17:3 18:5 20:36 24:873 25:1 32:54 38:277 40:57 41:65 44:2 47:10 52:4 55:1 56:3 57:25 58:292 59:376 60:203 61:953 62:1024 63:1905 64:3208 65:2298 66:3138 67:714 68:637 69:1716 70:426 71:133 72:1143 73:1 74:148 75:64 76:22 77:3 80:830 81:775 82:645 83:349 84:493 85:759 86:463 87:478 88:276 89:776 90:2 91:177 97:1 116:1 117:1 118:1 119:1 120:1 121:129 122:68 123:26 124:575 125:787 128:304 129:221 130:126 131:317 132:49 133:9 134:182 135:44 136:176 137:113 138:190 139:53 140:519 141:134 142:370 143:212 144:266 145:66 146:307 147:138 148:364 149:190 150:115 151:117 152:90 153:119 154:5 155:250 156:125 157:172 158:170 159:147 160:97 161:88 162:228 163:160 164:450 165:288 166:246 167:281 168:490 169:121 170:378 171:15 172:1 189:131 190:357 192:5735 193:3654 194:2917 195:2210 196:929 198:3774 199:3276 200:4641 201:964 202:7137 203:7281 204:3944 205:2087 206:2434 207:2901 208:2430 209:3567 210:2335 211:880 212:1305 213:1416 214:394 215:39 216:4061 217:1177 218:358 219:268 220:844 221:367 222:277
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