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Routing Table Report 04:00 +10GMT Mon 26 Feb, 2007
Analysis Summary ----------------
BGP routing table entries examined: 213110 Prefixes after maximum aggregation: 114382 Deaggregation factor: 1.86 Unique aggregates announced to Internet: 103747 Total ASes present in the Internet Routing Table: 24455 Origin-only ASes present in the Internet Routing Table: 21286 Origin ASes announcing only one prefix: 10282 Transit ASes present in the Internet Routing Table: 3169 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: 1686431628 Equivalent to 100 /8s, 132 /16s and 231 /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: 110121
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 48310 Total APNIC prefixes after maximum aggregation: 19415 APNIC Deaggregation factor: 2.49 Prefixes being announced from the APNIC address blocks: 45412 Unique aggregates announced from the APNIC address blocks: 20380 APNIC Region origin ASes present in the Internet Routing Table: 2877 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: 290464512 Equivalent to 17 /8s, 80 /16s and 35 /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: 104128 Total ARIN prefixes after maximum aggregation: 61213 ARIN Deaggregation factor: 1.70 Prefixes being announced from the ARIN address blocks: 76162 Unique aggregates announced from the ARIN address blocks: 29534 ARIN Region origin ASes present in the Internet Routing Table: 11364 ARIN Region origin ASes announcing only one prefix: 4363 ARIN Region transit ASes present in the Internet Routing Table: 1051 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 318993280 Equivalent to 19 /8s, 3 /16s and 115 /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: 44039 Total RIPE prefixes after maximum aggregation: 28738 RIPE Deaggregation factor: 1.53 Prefixes being announced from the RIPE address blocks: 40719 Unique aggregates announced from the RIPE address blocks: 27145 RIPE Region origin ASes present in the Internet Routing Table: 9195 RIPE Region origin ASes announcing only one prefix: 4831 RIPE Region transit ASes present in the Internet Routing Table: 1493 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 291716100 Equivalent to 17 /8s, 99 /16s and 60 /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: 14058 Total LACNIC prefixes after maximum aggregation: 4050 LACNIC Deaggregation factor: 3.47 Prefixes being announced from the LACNIC address blocks: 12135 Unique aggregates announced from the LACNIC address blocks: 6999 LACNIC Region origin ASes present in the Internet Routing Table: 760 LACNIC Region origin ASes announcing only one prefix: 246 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: 37680128 Equivalent to 2 /8s, 62 /16s and 244 /24s Percentage of available LACNIC address space announced: 56.1
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: 2572 Total AfriNIC prefixes after maximum aggregation: 964 AfriNIC Deaggregation factor: 2.67 Prefixes being announced from the AfriNIC address blocks: 1889 Unique aggregates announced from the AfriNIC address blocks: 1184 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: 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: 5418240 Equivalent to 0 /8s, 82 /16s and 173 /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 1123 383 77 Videsh Sanchar Nigam Ltd. Aut 9583 1076 77 368 Sify Limited 9498 970 468 66 BHARTI BT INTERNET LTD. 23577 779 35 707 Korea Telecom (ATM-MPLS) 4766 766 4942 309 Korea Telecom (KIX) 17488 598 39 24 Hathway IP Over Cable Interne 7545 587 142 75 TPG Internet Pty Ltd 1221 580 1686 442 Telstra Pty Ltd 18101 528 103 23 Reliance Infocom Ltd Internet 17676 503 10935 65 Softbank BB Corp. 4812 500 779 73 China Telecom (Shanghai) 4668 461 68 10 LG-EDS Systems Inc. 9443 444 111 75 Primus Telecommunications 7474 381 216 259 SingTel Optus Pty Ltd 17849 370 35 94 Telecommunications Technology 4802 360 86 149 Wantree Development 17557 351 34 168 Pakistan Telecom 17974 338 129 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 1496 6125 983 AT&T WorldNet Services 4323 1333 1005 351 Time Warner Telecom 6478 1124 443 194 AT&T Worldnet Services 2386 1112 570 737 AT&T Data Communications Serv 6197 1025 667 500 BellSouth Network Solutions, 18566 992 288 9 Covad Communications 11492 981 101 16 Cable One 174 945 6792 869 Cogent Communications 701 938 6693 746 UUNET Technologies, Inc. 1239 813 2713 572 Sprint 20115 801 706 421 Charter Communications 7011 799 229 475 Citizens Utilities 19262 757 2591 178 Verizon Global Networks 22773 732 1872 41 Cox Communications, Inc. 209 712 3743 569 Qwest 721 633 21787 274 DLA Systems Automation Center 852 591 1088 379 Telus Advanced Communications 5668 571 160 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 702 540 1879 418 UUNET - Commercial IP service 24863 328 45 22 LINKdotNET AS number 3301 311 1199 290 TeliaNet Sweden 3320 298 4993 249 Deutsche Telekom AG 8220 271 469 262 COLT Telecommunications 6746 269 95 248 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 221 1112 170 SWIPnet Swedish IP Network 5416 219 14 15 BATELCO-BH 3269 213 2423 71 TELECOM ITALIA 3246 207 354 196 Song Networks 30890 207 17 97 SC Kappa Invexim SRL 8551 204 196 28 Bezeq International 3352 201 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 1042 2038 211 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 228 180 24 Telefonica Del Peru 6503 199 172 83 AVANTEL, S.A. 10481 181 72 8 Prima S.A. 20299 174 25 25 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 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 1123 1046 Videsh Sanchar Nigam Ltd. Aut 4134 1275 998 CHINANET-BACKBONE 18566 992 983 Covad Communications 4323 1333 982 Time Warner Telecom 11492 981 965 Cable One 6478 1124 930 AT&T Worldnet Services 9498 970 904 BHARTI BT INTERNET LTD. 8151 1042 831 UniNet S.A. de C.V. 9583 1076 708 Sify Limited 22773 732 691 Cox Communications, Inc. 19262 757 579 Verizon Global Networks 17488 598 574 Hathway IP Over Cable Interne 5668 571 555 CenturyTel Internet Holdings, 6197 1025 525 BellSouth Network Solutions, 19916 568 514 OLM LLC 7545 587 512 TPG Internet Pty Ltd 18101 528 505 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 /16:9252 /17:3749 /18:6180 /19:13194 /20:14893 /21:13408 /22:17230 /23:18486 /24:113112 /25:719 /26:534 /27:438 /28:68 /29:42 /30:104 /31:0 /32:36
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6478 1076 1124 AT&T Worldnet Services 18566 974 992 Covad Communications 11492 967 981 Cable One 9583 912 1076 Sify Limited 2386 837 1112 AT&T Data Communications Serv 7018 808 1496 AT&T WorldNet Services 6197 796 1025 BellSouth Network Solutions, 23577 765 779 Korea Telecom (ATM-MPLS) 7011 698 799 Citizens Utilities 9498 621 970 BHARTI BT INTERNET LTD. 4766 575 766 Korea Telecom (KIX) 19916 563 568 OLM LLC 4755 530 1123 Videsh Sanchar Nigam Ltd. Aut 4323 528 1333 Time Warner Telecom 15270 475 507 PaeTec.net -a division of Pae 855 465 566 Canadian Research Network 18101 459 528 Reliance Infocom Ltd Internet 4668 452 461 LG-EDS Systems Inc. 5668 441 571 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 12:1798 13:1 15:16 16:3 17:3 18:5 20:36 24:903 25:1 32:53 38:282 40:57 41:92 44:2 47:7 52:4 55:1 56:3 57:25 58:307 59:391 60:210 61:939 62:1028 63:1911 64:3140 65:2320 66:3150 67:733 68:651 69:1728 70:455 71:98 72:1221 73:1 74:178 75:80 76:5 77:34 80:835 81:786 82:656 83:363 84:508 85:731 86:442 87:494 88:246 89:803 90:3 91:184 97:1 116:1 117:1 118:1 119:1 120:1 121:139 122:300 123:49 124:597 125:842 128:306 129:219 130:124 131:347 132:49 133:9 134:188 135:38 136:181 137:91 138:194 139:52 140:500 141:142 142:371 143:212 144:269 145:43 146:317 147:147 148:375 149:187 150:114 151:116 152:94 153:118 154:5 155:251 156:151 157:174 158:168 159:151 160:99 161:87 162:231 163:162 164:450 165:383 166:245 167:280 168:512 169:119 170:380 171:15 172:1 189:196 190:421 192:5746 193:3728 194:2994 195:2198 196:957 198:3733 199:3271 200:4615 201:983 202:7172 203:7365 204:3968 205:2056 206:2410 207:2850 208:2479 209:3589 210:2380 211:928 212:1293 213:1421 214:410 215:39 216:4034 217:1169 218:349 219:268 220:856 221:374 222:264
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