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Routing Table Report 04:00 +10GMT Thu 01 Mar, 2007
Analysis Summary ----------------
BGP routing table entries examined: 213911 Prefixes after maximum aggregation: 114596 Deaggregation factor: 1.87 Unique aggregates announced to Internet: 103730 Total ASes present in the Internet Routing Table: 24492 Origin-only ASes present in the Internet Routing Table: 21317 Origin ASes announcing only one prefix: 10292 Transit ASes present in the Internet Routing Table: 3175 Transit-only ASes present in the Internet Routing Table: 79 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: 5 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: 1688616652 Equivalent to 100 /8s, 166 /16s and 62 /24s Percentage of available address space announced: 45.6 Percentage of allocated address space announced: 62.6 Percentage of available address space allocated: 72.8 Total number of prefixes smaller than registry allocations: 110684
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 48719 Total APNIC prefixes after maximum aggregation: 19535 APNIC Deaggregation factor: 2.49 Prefixes being announced from the APNIC address blocks: 45841 Unique aggregates announced from the APNIC address blocks: 20299 APNIC Region origin ASes present in the Internet Routing Table: 2886 APNIC Region origin ASes announcing only one prefix: 786 APNIC Region transit ASes present in the Internet Routing Table: 425 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 291235904 Equivalent to 17 /8s, 91 /16s and 232 /24s Percentage of available APNIC address space announced: 72.1
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: 104265 Total ARIN prefixes after maximum aggregation: 61277 ARIN Deaggregation factor: 1.70 Prefixes being announced from the ARIN address blocks: 76243 Unique aggregates announced from the ARIN address blocks: 29568 ARIN Region origin ASes present in the Internet Routing Table: 11370 ARIN Region origin ASes announcing only one prefix: 4357 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: 319337600 Equivalent to 19 /8s, 8 /16s and 180 /24s Percentage of available ARIN address space announced: 70.5
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: 44157 Total RIPE prefixes after maximum aggregation: 28755 RIPE Deaggregation factor: 1.54 Prefixes being announced from the RIPE address blocks: 40832 Unique aggregates announced from the RIPE address blocks: 27098 RIPE Region origin ASes present in the Internet Routing Table: 9212 RIPE Region origin ASes announcing only one prefix: 4842 RIPE Region transit ASes present in the Internet Routing Table: 1491 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 292528900 Equivalent to 17 /8s, 111 /16s and 163 /24s Percentage of available RIPE address space announced: 79.3
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: 14199 Total LACNIC prefixes after maximum aggregation: 4061 LACNIC Deaggregation factor: 3.50 Prefixes being announced from the LACNIC address blocks: 12268 Unique aggregates announced from the LACNIC address blocks: 7064 LACNIC Region origin ASes present in the Internet Routing Table: 763 LACNIC Region origin ASes announcing only one prefix: 246 LACNIC Region transit ASes present in the Internet Routing Table: 137 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 37905152 Equivalent to 2 /8s, 66 /16s and 99 /24s Percentage of available LACNIC address space announced: 56.5
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: 2567 Total AfriNIC prefixes after maximum aggregation: 966 AfriNIC Deaggregation factor: 2.66 Prefixes being announced from the AfriNIC address blocks: 1892 Unique aggregates announced from the AfriNIC address blocks: 1191 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: 15 Number of AfriNIC addresses announced to Internet: 5420032 Equivalent to 0 /8s, 82 /16s and 180 /24s Percentage of available AfriNIC address space announced: 16.2
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 1137 383 77 Videsh Sanchar Nigam Ltd. Aut 9498 1091 468 66 BHARTI BT INTERNET LTD. 9583 1081 78 356 Sify Limited 23577 780 35 708 Korea Telecom (ATM-MPLS) 4766 773 4943 311 Korea Telecom (KIX) 17488 601 39 31 Hathway IP Over Cable Interne 7545 588 142 75 TPG Internet Pty Ltd 1221 583 1942 444 Telstra Pty Ltd 18101 530 103 22 Reliance Infocom Ltd Internet 17676 503 10935 65 Softbank BB Corp. 4812 499 781 73 China Telecom (Shanghai) 4668 454 68 10 LG-EDS Systems Inc. 9443 443 111 74 Primus Telecommunications 7474 377 216 258 SingTel Optus Pty Ltd 4802 360 86 149 Wantree Development 17849 357 34 100 Telecommunications Technology 17557 351 34 171 Pakistan Telecom 4837 341 4392 153 chinanet IDC center beijing n 17974 338 129 14 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1499 6127 984 AT&T WorldNet Services 4323 1332 1005 353 Time Warner Telecom 6478 1123 431 186 AT&T Worldnet Services 2386 1114 570 740 AT&T Data Communications Serv 6197 1023 667 500 BellSouth Network Solutions, 18566 992 288 9 Covad Communications 11492 982 101 17 Cable One 174 944 6792 868 Cogent Communications 701 940 6696 747 UUNET Technologies, Inc. 1239 816 2713 572 Sprint 20115 803 707 423 Charter Communications 7011 793 226 473 Citizens Utilities 19262 756 2591 177 Verizon Global Networks 22773 732 1872 41 Cox Communications, Inc. 209 716 3746 571 Qwest 721 631 21787 273 DLA Systems Automation Center 852 594 1088 380 Telus Advanced Communications 5668 572 160 16 CenturyTel Internet Holdings, 19916 568 49 54 OLM LLC 855 567 250 70 Canadian Research Network
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 539 1879 417 UUNET - Commercial IP service 24863 328 45 22 LINKdotNET AS number 3301 313 1200 292 TeliaNet Sweden 3320 299 4994 250 Deutsche Telekom AG 8220 272 469 263 COLT Telecommunications 6746 268 95 247 Dynamic Network Technologies, 680 257 2044 251 DFN-IP service G-WiN 5416 252 16 16 BATELCO-BH 8708 240 284 228 Romania Data Systems S.A. 3215 238 2224 91 France Telecom Transpac 1257 221 1111 170 SWIPnet Swedish IP Network 3269 215 2487 72 TELECOM ITALIA 3246 208 355 197 Song Networks 30890 205 17 95 SC Kappa Invexim SRL 8551 204 196 28 Bezeq International 20858 197 34 3 EgyNet 3352 193 1783 33 Ibernet, Internet Access Netw 3300 182 171 89 AUCS Communications Services 12479 179 578 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 1042 2037 212 UniNet S.A. de C.V. 11830 482 299 19 Instituto Costarricense de El 11172 349 109 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 254 74 30 ENTEL CHILE S.A. 7303 253 142 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 202 172 83 AVANTEL, S.A. 10481 181 72 8 Prima S.A. 20299 172 25 24 NEWCOM AMERICAS 21826 156 27 56 INTERCABLE 23216 153 19 42 RAMtelecom Telecomunicaciones 7910 152 11 32 ANDINET ON LINE 19429 146 91 37 E.T.B. 18822 145 9 10 TELEFONICA MANQUEHUE 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 246 60 6 TEDATA 15475 159 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 49 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 1137 1060 Videsh Sanchar Nigam Ltd. Aut 9498 1091 1025 BHARTI BT INTERNET LTD. 4134 1275 998 CHINANET-BACKBONE 18566 992 983 Covad Communications 4323 1332 979 Time Warner Telecom 11492 982 965 Cable One 6478 1123 937 AT&T Worldnet Services 8151 1042 830 UniNet S.A. de C.V. 9583 1081 725 Sify Limited 22773 732 691 Cox Communications, Inc. 19262 756 579 Verizon Global Networks 17488 601 570 Hathway IP Over Cable Interne 5668 572 556 CenturyTel Internet Holdings, 6197 1023 523 BellSouth Network Solutions, 19916 568 514 OLM LLC 7545 588 513 TPG Internet Pty Ltd 18101 530 508 Reliance Infocom Ltd Internet 855 567 497 Canadian Research Network 15270 508 474 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 65535 PRIVATE 189.10.3.0/24 8167 TELESC - Telecomunic 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 /12:118 /13:227 /14:429 /15:827 /16:9267 /17:3759 /18:6189 /19:13224 /20:14896 /21:13419 /22:17329 /23:18594 /24:113600 /25:731 /26:552 /27:438 /28:68 /29:42 /30:92 /31:0 /32:36
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6478 1077 1123 AT&T Worldnet Services 18566 974 992 Covad Communications 11492 968 982 Cable One 9583 916 1081 Sify Limited 2386 837 1114 AT&T Data Communications Serv 7018 812 1499 AT&T WorldNet Services 6197 795 1023 BellSouth Network Solutions, 23577 766 780 Korea Telecom (ATM-MPLS) 9498 739 1091 BHARTI BT INTERNET LTD. 7011 693 793 Citizens Utilities 4766 581 773 Korea Telecom (KIX) 19916 563 568 OLM LLC 4755 541 1137 Videsh Sanchar Nigam Ltd. Aut 4323 528 1332 Time Warner Telecom 15270 476 508 PaeTec.net -a division of Pae 855 466 567 Canadian Research Network 18101 461 530 Reliance Infocom Ltd Internet 4668 445 454 LG-EDS Systems Inc. 5668 442 572 CenturyTel Internet Holdings, 17488 423 601 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 7:1 8:64 9:1 12:1801 13:1 15:16 16:3 17:3 18:5 20:36 24:903 25:1 32:52 38:284 40:57 41:93 44:2 47:7 52:4 55:1 56:3 57:25 58:327 59:380 60:214 61:935 62:1036 63:1915 64:3139 65:2318 66:3151 67:735 68:652 69:1740 70:459 71:98 72:1224 73:1 74:181 75:81 76:6 77:67 80:834 81:779 82:659 83:366 84:521 85:743 86:445 87:486 88:246 89:812 90:3 91:216 97:1 116:1 117:1 118:1 119:1 120:1 121:142 122:346 123:58 124:714 125:849 128:307 129:218 130:124 131:346 132:50 133:10 134:188 135:39 136:181 137:93 138:195 139:52 140:496 141:142 142:372 143:212 144:272 145:43 146:318 147:147 148:377 149:186 150:114 151:116 152:94 153:118 154:5 155:251 156:153 157:173 158:169 159:151 160:99 161:89 162:230 163:162 164:451 165:383 166:245 167:280 168:512 169:119 170:388 171:15 172:1 189:195 190:428 192:5748 193:3724 194:3001 195:2201 196:960 198:3747 199:3280 200:4662 201:1013 202:7212 203:7373 204:3970 205:2061 206:2404 207:2850 208:2493 209:3590 210:2375 211:925 212:1285 213:1413 214:413 215:39 216:4033 217:1153 218:350 219:270 220:854 221:373 222:263
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