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Routing Table Report 04:00 +10GMT Mon 28 Aug, 2006
Analysis Summary ----------------
BGP routing table entries examined: 196179 Prefixes after maximum aggregation: 107212 Unique aggregates announced to Internet: 95151 Total ASes present in the Internet Routing Table: 22967 Origin-only ASes present in the Internet Routing Table: 19996 Origin ASes announcing only one prefix: 9579 Transit ASes present in the Internet Routing Table: 2971 Transit-only ASes present in the Internet Routing Table: 67 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 29 Max AS path prepend of ASN (36728) 27 Prefixes from unregistered ASNs in the Routing Table: 3 Unregistered ASNs in the Routing Table: 3 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1577428780 Equivalent to 94 /8s, 5 /16s and 167 /24s Percentage of available address space announced: 42.6 Percentage of allocated address space announced: 61.6 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 97633
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 42971 Total APNIC prefixes after maximum aggregation: 17343 Prefixes being announced from the APNIC address blocks: 40642 Unique aggregates announced from the APNIC address blocks: 18322 APNIC Region origin ASes present in the Internet Routing Table: 2683 APNIC Region origin ASes announcing only one prefix: 761 APNIC Region transit ASes present in the Internet Routing Table: 402 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 261828448 Equivalent to 15 /8s, 155 /16s and 47 /24s Percentage of available APNIC address space announced: 81.9
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, 121/8, 122/7, 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: 99128 Total ARIN prefixes after maximum aggregation: 58886 Prefixes being announced from the ARIN address blocks: 72859 Unique aggregates announced from the ARIN address blocks: 27414 ARIN Region origin ASes present in the Internet Routing Table: 10938 ARIN Region origin ASes announcing only one prefix: 4130 ARIN Region transit ASes present in the Internet Routing Table: 1005 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 29 Number of ARIN addresses announced to Internet: 296117760 Equivalent to 17 /8s, 166 /16s and 102 /24s Percentage of available ARIN address space announced: 76.7
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, 199/8, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 39448 Total RIPE prefixes after maximum aggregation: 26303 Prefixes being announced from the RIPE address blocks: 36385 Unique aggregates announced from the RIPE address blocks: 24497 RIPE Region origin ASes present in the Internet Routing Table: 8403 RIPE Region origin ASes announcing only one prefix: 4411 RIPE Region transit ASes present in the Internet Routing Table: 1375 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 261839300 Equivalent to 15 /8s, 155 /16s and 89 /24s Percentage of available RIPE address space announced: 82.1
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 40960-41983 RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 12344 Total LACNIC prefixes after maximum aggregation: 3767 Prefixes being announced from the LACNIC address blocks: 10373 Unique aggregates announced from the LACNIC address blocks: 5978 LACNIC Region origin ASes present in the Internet Routing Table: 715 LACNIC Region origin ASes announcing only one prefix: 233 LACNIC Region transit ASes present in the Internet Routing Table: 129 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 32225792 Equivalent to 1 /8s, 235 /16s and 186 /24s Percentage of available LACNIC address space announced: 48.0
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: 2285 Total AfriNIC prefixes after maximum aggregation: 913 Prefixes being announced from the AfriNIC address blocks: 1594 Unique aggregates announced from the AfriNIC address blocks: 996 AfriNIC Region origin ASes present in the Internet Routing Table: 161 AfriNIC Region origin ASes announcing only one prefix: 44 AfriNIC Region transit ASes present in the Internet Routing Table: 25 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 11 Number of AfriNIC addresses announced to Internet: 4212992 Equivalent to 0 /8s, 64 /16s and 73 /24s Percentage of available AfriNIC address space announced: 12.6
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 1300 8002 242 CHINANET-BACKBONE 4755 973 255 66 Videsh Sanchar Nigam Ltd. Aut 9583 946 109 15 Sify Limited 9498 800 211 71 BHARTI BT INTERNET LTD. 4766 727 4435 306 Korea Telecom (KIX) 1221 612 1779 468 Telstra Pty Ltd 7545 540 124 73 TPG Internet Pty Ltd 17488 522 32 18 Hathway IP Over Cable Interne 17676 497 10933 62 Softbank BB Corp. 9443 450 111 83 Primus Telecommunications 18101 436 85 18 Reliance Infocom Ltd Internet 4812 419 732 57 China Telecom (Shanghai) 17849 410 30 122 Telecommunications Technology 4802 407 84 149 Wantree Development 17974 373 129 12 PT TELEKOMUNIKASI INDONESIA 17557 356 28 169 Pakistan Telecom 2907 335 1717 310 SINET Japan 4837 320 3539 138 chinanet IDC center beijing n 10139 316 23 6 Meridian Telekoms 7474 294 211 229 SingTel Optus Pty Ltd
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1478 6259 958 AT&T WorldNet Services 6197 1019 637 479 BellSouth Network Solutions, 721 998 21926 310 DLA Systems Automation Center 4323 997 768 286 Time Warner Telecom 2386 960 561 725 AT&T Data Communications Serv 18566 958 272 8 Covad Communications 701 956 6780 782 UUNET Technologies, Inc. 174 945 5770 887 Cogent Communications 1239 842 2781 595 Sprint 20115 736 658 385 Charter Communications 19262 733 2268 189 Verizon Global Networks 11492 729 90 16 Cable One 22773 694 1744 46 Cox Communications, Inc. 209 686 3641 541 Qwest 7011 667 207 422 Citizens Utilities 852 589 1068 383 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 562 248 73 Canadian Research Network 5668 533 145 18 CenturyTel Internet Holdings, 3602 513 125 105 Sprint Canada, Inc.
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 557 1947 438 UUNET - Commercial IP service 3301 315 1186 300 TeliaNet Sweden 3320 297 5013 240 Deutsche Telekom AG 8220 282 471 267 COLT Telecommunications 24863 254 42 11 LINKdotNET AS number 680 248 2041 244 DFN-IP service G-WiN 6746 245 91 224 Dynamic Network Technologies, 3246 229 462 219 Song Networks 1257 220 744 167 SWIPnet Swedish IP Network 8708 216 278 203 Romania Data Systems S.A. 3215 204 1760 97 France Telecom Transpac 30890 203 18 84 SC Kappa Invexim SRL 3269 202 2246 73 TELECOM ITALIA 8551 202 182 27 Bezeq International 6830 194 879 43 UPC Distribution Services 8866 181 37 15 Bulgarian Telecommunication C 5416 180 12 11 BATELCO-BH 786 171 1778 171 The JANET IP Service 3300 171 171 96 AUCS Communications Services 3352 166 1655 30 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 772 1811 228 UniNet S.A. de C.V. 22047 456 206 11 VTR PUNTO NET S.A. 11172 366 98 92 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 6147 273 134 22 Telefonica Del Peru 6471 254 74 30 ENTEL CHILE S.A. 14117 217 13 7 Telefonica del Sur S.A. 6503 181 167 84 AVANTEL, S.A. 7303 181 84 28 Telecom Argentina Stet-France 10481 181 72 8 Prima S.A. 7910 142 9 29 ANDINET ON LINE 19169 136 9 26 Telconet 21826 135 17 23 INTERCABLE 11556 132 96 4 Cable-Wireless Panama 19429 131 80 40 E.T.B. 18822 129 8 10 TELEFONICA MANQUEHUE 14522 117 18 9 SatNet S.A. 7738 114 410 20 Telecomunicacoes da Bahia S.A 14259 112 10 15 GTD Internet S.A. 23216 111 21 9 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 288 803 231 The Internet Solution 8452 177 60 7 TEDATA 6713 144 135 11 Itissalat Al-MAGHRIB 2018 134 298 111 Tertiary Education Network 15475 132 84 4 Nile Online 5536 121 8 18 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 33783 106 6 2 EEPAD TISP TELECOM & INTERNET 2905 79 159 70 The Internetworking Company o 15706 44 8 3 Sudatel Internet Exchange Aut 5713 36 293 32 Telkom SA Ltd 33774 32 7 20 AS Number for Telecom Algeria 23889 26 8 11 MAURITIUS TELECOM 16637 25 19 23 Johnnic e-Ventures 10798 23 1 14 Standard Bank of South Africa 8524 22 1 5 AUCEGYPT Autonomous System 21280 21 4 4 Swift Global Kenya Ltd.Is an 21491 21 17 2 UTL On-line is RF broadband I 33766 21 2 1 Nyala Communications Pty Ltd 2561 19 6 2 Egyptian Universities Network
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4134 1300 1058 CHINANET-BACKBONE 18566 958 950 Covad Communications 9583 946 931 Sify Limited 4755 973 907 Videsh Sanchar Nigam Ltd. Aut 9498 800 729 BHARTI BT INTERNET LTD. 11492 729 713 Cable One 4323 997 711 Time Warner Telecom 721 998 688 DLA Systems Automation Center 22773 694 648 Cox Communications, Inc. 8151 772 544 UniNet S.A. de C.V. 19262 733 544 Verizon Global Networks 6197 1019 540 BellSouth Network Solutions, 5668 533 515 CenturyTel Internet Holdings, 19916 563 509 OLM LLC 17488 522 504 Hathway IP Over Cable Interne 855 562 489 Canadian Research Network 7545 540 467 TPG Internet Pty Ltd 22047 456 445 VTR PUNTO NET S.A. 17676 497 435 Softbank BB Corp. 15270 465 431 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65010 PRIVATE 203.117.213.0/24 9255 Singapore Telecom 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 64659 PRIVATE 210.184.109.0/24 9729 iAdvantage Limited
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 198.18.0.0/15 8895 KACST/ISU Riyadh Autonomous S
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 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 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 192.84.205.0/24 719 LANLINK autonomous system 192.172.0.0/19 721 DLA Systems Automation Center 192.249.0.0/20 3450 University of Tennessee, Knox
Number of prefixes announced per prefix length (Global) -------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:18 /9:9 /10:13 /11:31 /12:103 /13:209 /14:377 /15:738 /16:8972 /17:3435 /18:5601 /19:12150 /20:13761 /21:12041 /22:15207 /23:16408 /24:105835 /25:427 /26:409 /27:198 /28:66 /29:42 /30:82 /31:0 /32:47
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 941 958 Covad Communications 6197 799 1019 BellSouth Network Solutions, 9583 777 946 Sify Limited 7018 775 1478 AT&T WorldNet Services 11492 717 729 Cable One 2386 678 960 AT&T Data Communications Serv 7011 572 667 Citizens Utilities 19916 557 563 OLM LLC 4766 538 727 Korea Telecom (KIX) 9498 478 800 BHARTI BT INTERNET LTD. 855 436 562 Canadian Research Network 15270 434 465 PaeTec.net -a division of Pae 5668 416 533 CenturyTel Internet Holdings, 4755 409 973 Videsh Sanchar Nigam Ltd. Aut 1239 400 842 Sprint 17849 397 410 Telecommunications Technology 6517 378 412 Yipes Communications, Inc. 18101 370 436 Reliance Infocom Ltd Internet 22773 366 694 Cox Communications, Inc. 33588 351 372 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:49 12:1617 13:1 15:15 16:3 17:3 18:4 20:41 24:809 25:1 32:61 38:247 40:54 41:16 44:3 47:6 52:4 55:1 56:3 57:26 58:211 59:259 60:190 61:915 62:886 63:1894 64:3055 65:2223 66:3019 67:642 68:657 69:1599 70:385 71:88 72:886 74:75 75:6 80:779 81:680 82:647 83:391 84:389 85:628 86:393 87:440 88:165 89:413 91:1 121:15 122:6 123:1 124:345 125:608 128:148 129:204 130:118 131:314 132:36 133:8 134:161 135:48 136:177 137:84 138:214 139:49 140:522 141:134 142:367 143:192 144:239 145:41 146:322 147:136 148:352 149:176 150:114 151:116 152:72 153:117 154:5 155:221 156:172 157:177 158:165 159:173 160:93 161:85 162:218 163:166 164:231 165:220 166:183 167:240 168:484 169:128 170:361 171:14 189:1 190:203 192:5737 193:3403 194:2715 195:2040 196:886 198:3899 199:3313 200:4625 201:1039 202:6828 203:7108 204:3897 205:2048 206:2433 207:2971 208:2243 209:3463 210:2150 211:852 212:1284 213:1451 214:360 215:41 216:4068 217:1130 218:332 219:258 220:775 221:382 222:239
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