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Routing Table Report 04:00 +10GMT Wed 15 Nov, 2006
Analysis Summary ----------------
BGP routing table entries examined: 203385 Prefixes after maximum aggregation: 110466 Unique aggregates announced to Internet: 98764 Total ASes present in the Internet Routing Table: 23675 Origin-only ASes present in the Internet Routing Table: 20637 Origin ASes announcing only one prefix: 9947 Transit ASes present in the Internet Routing Table: 3038 Transit-only ASes present in the Internet Routing Table: 82 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: 2 Unregistered ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1634822828 Equivalent to 97 /8s, 113 /16s and 106 /24s Percentage of available address space announced: 44.1 Percentage of allocated address space announced: 62.6 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 103023
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 44882 Total APNIC prefixes after maximum aggregation: 18317 Prefixes being announced from the APNIC address blocks: 42470 Unique aggregates announced from the APNIC address blocks: 18561 APNIC Region origin ASes present in the Internet Routing Table: 2765 APNIC Region origin ASes announcing only one prefix: 780 APNIC Region transit ASes present in the Internet Routing Table: 411 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 268772512 Equivalent to 16 /8s, 5 /16s and 36 /24s Percentage of available APNIC address space announced: 84.0
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, 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: 101266 Total ARIN prefixes after maximum aggregation: 59926 Prefixes being announced from the ARIN address blocks: 74442 Unique aggregates announced from the ARIN address blocks: 28242 ARIN Region origin ASes present in the Internet Routing Table: 11143 ARIN Region origin ASes announcing only one prefix: 4244 ARIN Region transit ASes present in the Internet Routing Table: 1030 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 29 Number of ARIN addresses announced to Internet: 310479744 Equivalent to 18 /8s, 129 /16s and 139 /24s Percentage of available ARIN address space announced: 68.5
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: 41593 Total RIPE prefixes after maximum aggregation: 27394 Prefixes being announced from the RIPE address blocks: 38501 Unique aggregates announced from the RIPE address blocks: 25731 RIPE Region origin ASes present in the Internet Routing Table: 8771 RIPE Region origin ASes announcing only one prefix: 4632 RIPE Region transit ASes present in the Internet Routing Table: 1407 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 274749060 Equivalent to 16 /8s, 96 /16s and 86 /24s Percentage of available RIPE address space announced: 74.4
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, 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: 13271 Total LACNIC prefixes after maximum aggregation: 3899 Prefixes being announced from the LACNIC address blocks: 11242 Unique aggregates announced from the LACNIC address blocks: 6888 LACNIC Region origin ASes present in the Internet Routing Table: 748 LACNIC Region origin ASes announcing only one prefix: 243 LACNIC Region transit ASes present in the Internet Routing Table: 130 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 34141696 Equivalent to 2 /8s, 8 /16s and 246 /24s Percentage of available LACNIC address space announced: 50.9
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: 2371 Total AfriNIC prefixes after maximum aggregation: 930 Prefixes being announced from the AfriNIC address blocks: 1633 Unique aggregates announced from the AfriNIC address blocks: 1044 AfriNIC Region origin ASes present in the Internet Routing Table: 166 AfriNIC Region origin ASes announcing only one prefix: 48 AfriNIC Region transit ASes present in the Internet Routing Table: 27 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 4484096 Equivalent to 0 /8s, 68 /16s and 108 /24s Percentage of available AfriNIC address space announced: 13.4
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 1227 8504 248 CHINANET-BACKBONE 4755 1031 384 68 Videsh Sanchar Nigam Ltd. Aut 9583 958 109 15 Sify Limited 9498 878 212 64 BHARTI BT INTERNET LTD. 23577 776 35 706 KRNIC 4766 738 4949 306 Korea Telecom (KIX) 1221 587 1730 451 Telstra Pty Ltd 7545 547 124 73 TPG Internet Pty Ltd 17488 546 34 15 Hathway IP Over Cable Interne 17676 500 10934 64 Softbank BB Corp. 18101 474 86 22 Reliance Infocom Ltd Internet 9443 443 111 74 Primus Telecommunications 9942 440 82 132 COMindico Australia 4812 439 749 63 China Telecom (Shanghai) 17849 430 36 126 Telecommunications Technology 4802 411 86 151 Wantree Development 17974 370 129 12 PT TELEKOMUNIKASI INDONESIA 17557 368 32 179 Pakistan Telecom 2907 333 1749 310 SINET Japan 4837 320 3553 138 chinanet IDC center beijing n
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1536 6176 979 AT&T WorldNet Services 2386 1112 570 740 AT&T Data Communications Serv 4323 1041 788 296 Time Warner Telecom 6197 1022 614 498 BellSouth Network Solutions, 18566 976 272 8 Covad Communications 701 950 6706 774 UUNET Technologies, Inc. 174 940 6838 864 Cogent Communications 721 855 21925 307 DLA Systems Automation Center 1239 838 2747 585 Sprint 11492 803 98 15 Cable One 19262 782 2426 177 Verizon Global Networks 20115 762 684 404 Charter Communications 22773 714 1743 41 Cox Communications, Inc. 209 706 3776 554 Qwest 7011 690 213 431 Citizens Utilities 852 593 1087 388 Telus Advanced Communications 19916 565 49 54 OLM LLC 5668 550 161 19 CenturyTel Internet Holdings, 855 540 250 74 Canadian Research Network 3602 525 125 108 Sprint Canada, Inc.
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 550 1929 429 UUNET - Commercial IP service 3301 311 1200 295 TeliaNet Sweden 3320 298 4992 246 Deutsche Telekom AG 24863 286 44 27 LINKdotNET AS number 8220 273 472 263 COLT Telecommunications 6746 259 92 236 Dynamic Network Technologies, 680 250 2041 246 DFN-IP service G-WiN 3246 231 475 220 Song Networks 9116 228 134 23 Goldenlines main autonomous s 8708 221 279 208 Romania Data Systems S.A. 3215 219 1964 93 France Telecom Transpac 1257 218 1073 172 SWIPnet Swedish IP Network 8551 215 198 30 Bezeq International 3269 208 2357 75 TELECOM ITALIA 30890 202 18 80 SC Kappa Invexim SRL 5416 188 13 13 BATELCO-BH 3300 176 171 95 AUCS Communications Services 6830 173 695 38 UPC Distribution Services 786 171 1779 171 The JANET IP Service 3352 168 1703 31 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 770 1922 217 UniNet S.A. de C.V. 11830 484 299 19 Instituto Costarricense de El 11172 394 101 88 Servicios Alestra S.A de C.V 16814 330 20 9 NSS, S.A. 22047 303 206 11 VTR PUNTO NET S.A. 6471 266 74 30 ENTEL CHILE S.A. 14117 254 16 13 Telefonica del Sur S.A. 6147 221 150 22 Telefonica Del Peru 7303 212 95 37 Telecom Argentina Stet-France 6503 195 169 88 AVANTEL, S.A. 11556 195 96 4 Cable-Wireless Panama 10481 181 72 8 Prima S.A. 21826 147 19 31 INTERCABLE 19169 139 9 22 Telconet 23216 136 19 43 RAMtelecom Telecomunicaciones 19429 135 84 34 E.T.B. 7910 131 10 30 ANDINET ON LINE 18822 129 8 10 TELEFONICA MANQUEHUE 14522 117 18 9 SatNet S.A. 14259 116 10 13 GTD Internet S.A.
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 289 804 233 The Internet Solution 8452 173 60 9 TEDATA 15475 152 84 4 Nile Online 6713 145 139 12 Itissalat Al-MAGHRIB 2018 133 297 111 Tertiary Education Network 5536 122 8 17 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 33783 110 6 4 EEPAD TISP TELECOM & INTERNET 2905 77 173 70 The Internetworking Company o 2561 56 6 2 Egyptian Universities Network 15706 56 12 4 Sudatel Internet Exchange Aut 12455 40 6 3 Jambonet Autonomous system 5713 36 293 32 Telkom SA Ltd 8524 31 2 5 AUCEGYPT Autonomous System 33774 31 7 18 AS Number for Telecom Algeria 23889 30 9 12 MAURITIUS TELECOM 21280 26 4 4 Swift Global Kenya Ltd.Is an 16637 24 19 23 Johnnic e-Ventures 10798 23 1 14 Standard Bank of South Africa 33766 21 2 1 Nyala Communications Pty Ltd
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4134 1227 979 CHINANET-BACKBONE 18566 976 968 Covad Communications 4755 1031 963 Videsh Sanchar Nigam Ltd. Aut 9583 958 943 Sify Limited 9498 878 814 BHARTI BT INTERNET LTD. 11492 803 788 Cable One 4323 1041 745 Time Warner Telecom 22773 714 673 Cox Communications, Inc. 19262 782 605 Verizon Global Networks 8151 770 553 UniNet S.A. de C.V. 721 855 548 DLA Systems Automation Center 5668 550 531 CenturyTel Internet Holdings, 17488 546 531 Hathway IP Over Cable Interne 6197 1022 524 BellSouth Network Solutions, 19916 565 511 OLM LLC 7545 547 474 TPG Internet Pty Ltd 855 540 466 Canadian Research Network 11830 484 465 Instituto Costarricense de El 18101 474 452 Reliance Infocom Ltd Internet 15270 481 447 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65000 PRIVATE 203.98.210.64/27 1803 SPRINT 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
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 172.33.1.0/24 7018 AT&T WorldNet Services 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 /8:19 /9:10 /10:13 /11:30 /12:110 /13:218 /14:397 /15:792 /16:9055 /17:3582 /18:5800 /19:12644 /20:14211 /21:12665 /22:16059 /23:17527 /24:108561 /25:644 /26:470 /27:360 /28:67 /29:40 /30:80 /31:0 /32:31
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 959 976 Covad Communications 2386 830 1112 AT&T Data Communications Serv 7018 814 1536 AT&T WorldNet Services 6197 802 1022 BellSouth Network Solutions, 11492 789 803 Cable One 9583 786 958 Sify Limited 23577 762 776 KRNIC 7011 595 690 Citizens Utilities 19916 559 565 OLM LLC 4766 547 738 Korea Telecom (KIX) 9498 532 878 BHARTI BT INTERNET LTD. 4755 461 1031 Videsh Sanchar Nigam Ltd. Aut 15270 451 481 PaeTec.net -a division of Pae 855 436 540 Canadian Research Network 5668 426 550 CenturyTel Internet Holdings, 1239 419 838 Sprint 17849 416 430 Telecommunications Technology 18101 407 474 Reliance Infocom Ltd Internet 22773 380 714 Cox Communications, Inc. 6517 375 402 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:58 12:1643 13:1 15:15 16:3 17:3 18:4 20:39 24:834 25:1 32:57 38:265 40:57 41:21 44:2 47:8 52:4 53:1 55:1 56:3 57:26 58:260 59:318 60:220 61:950 62:1027 63:1878 64:3143 65:2257 66:3035 67:657 68:650 69:1689 70:404 71:110 72:1013 74:110 75:29 76:44 80:828 81:741 82:640 83:381 84:454 85:726 86:419 87:413 88:243 89:613 91:83 121:65 122:27 123:3 124:437 125:699 128:293 129:205 130:122 131:313 132:35 133:9 134:177 135:49 136:177 137:113 138:209 139:49 140:522 141:134 142:347 143:193 144:250 145:67 146:319 147:140 148:365 149:172 150:115 151:118 152:79 153:121 154:5 155:261 156:148 157:162 158:152 159:173 160:97 161:87 162:214 163:150 164:238 165:235 166:243 167:269 168:486 169:124 170:389 171:11 172:1 190:285 192:5752 193:3573 194:2776 195:2136 196:860 198:3799 199:3297 200:4559 201:951 202:6930 203:7137 204:3920 205:2095 206:2405 207:2887 208:2313 209:3558 210:2176 211:872 212:1359 213:1448 214:379 215:39 216:4112 217:1162 218:348 219:258 220:799 221:367 222:250
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