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Routing Table Report 04:00 +10GMT Thu 16 Nov, 2006
Analysis Summary ----------------
BGP routing table entries examined: 203672 Prefixes after maximum aggregation: 110491 Unique aggregates announced to Internet: 98885 Total ASes present in the Internet Routing Table: 23685 Origin-only ASes present in the Internet Routing Table: 20650 Origin ASes announcing only one prefix: 9958 Transit ASes present in the Internet Routing Table: 3035 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: 29 Max AS path prepend of ASN (36728) 27 Prefixes from unregistered ASNs in the Routing Table: 2 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: 1635585580 Equivalent to 97 /8s, 125 /16s and 14 /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: 103201
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 45006 Total APNIC prefixes after maximum aggregation: 18320 Prefixes being announced from the APNIC address blocks: 42588 Unique aggregates announced from the APNIC address blocks: 18602 APNIC Region origin ASes present in the Internet Routing Table: 2761 APNIC Region origin ASes announcing only one prefix: 778 APNIC Region transit ASes present in the Internet Routing Table: 409 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 268886432 Equivalent to 16 /8s, 6 /16s and 225 /24s Percentage of available APNIC address space announced: 84.1
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, 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: 101284 Total ARIN prefixes after maximum aggregation: 59899 Prefixes being announced from the ARIN address blocks: 74504 Unique aggregates announced from the ARIN address blocks: 28231 ARIN Region origin ASes present in the Internet Routing Table: 11147 ARIN Region origin ASes announcing only one prefix: 4249 ARIN Region transit ASes present in the Internet Routing Table: 1031 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 29 Number of ARIN addresses announced to Internet: 310308224 Equivalent to 18 /8s, 126 /16s and 237 /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: 41675 Total RIPE prefixes after maximum aggregation: 27437 Prefixes being announced from the RIPE address blocks: 38579 Unique aggregates announced from the RIPE address blocks: 25787 RIPE Region origin ASes present in the Internet Routing Table: 8784 RIPE Region origin ASes announcing only one prefix: 4639 RIPE Region transit ASes present in the Internet Routing Table: 1408 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 275449604 Equivalent to 16 /8s, 107 /16s and 7 /24s Percentage of available RIPE address space announced: 74.6
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: 13301 Total LACNIC prefixes after maximum aggregation: 3904 Prefixes being announced from the LACNIC address blocks: 11267 Unique aggregates announced from the LACNIC address blocks: 6896 LACNIC Region origin ASes present in the Internet Routing Table: 749 LACNIC Region origin ASes announcing only one prefix: 244 LACNIC Region transit ASes present in the Internet Routing Table: 131 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 34168576 Equivalent to 2 /8s, 9 /16s and 95 /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: 2404 Total AfriNIC prefixes after maximum aggregation: 931 Prefixes being announced from the AfriNIC address blocks: 1662 Unique aggregates announced from the AfriNIC address blocks: 1052 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: 26 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 4486144 Equivalent to 0 /8s, 68 /16s and 116 /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 1228 8512 248 CHINANET-BACKBONE 4755 1031 384 67 Videsh Sanchar Nigam Ltd. Aut 9583 958 109 15 Sify Limited 9498 885 212 64 BHARTI BT INTERNET LTD. 23577 771 34 701 KRNIC 4766 738 4949 306 Korea Telecom (KIX) 1221 585 1714 450 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 1537 6188 984 AT&T WorldNet Services 2386 1110 570 739 AT&T Data Communications Serv 4323 1040 788 296 Time Warner Telecom 6197 1022 626 495 BellSouth Network Solutions, 18566 976 272 8 Covad Communications 701 950 6707 774 UUNET Technologies, Inc. 174 944 6838 868 Cogent Communications 721 851 21922 304 DLA Systems Automation Center 1239 839 2747 586 Sprint 11492 806 98 15 Cable One 19262 783 2428 178 Verizon Global Networks 20115 761 683 405 Charter Communications 22773 713 1743 41 Cox Communications, Inc. 209 708 3761 553 Qwest 7011 691 213 431 Citizens Utilities 852 593 1087 388 Telus Advanced Communications 19916 565 49 54 OLM LLC 5668 550 161 19 CenturyTel Internet Holdings, 6198 549 526 256 BellSouth Network Solutions, 855 540 250 74 Canadian Research Network
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 396 101 89 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 213 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 23216 140 19 43 RAMtelecom Telecomunicaciones 19169 139 9 22 Telconet 19429 135 84 34 E.T.B. 14522 130 20 13 SatNet S.A. 7910 129 10 28 ANDINET ON LINE 18822 129 8 10 TELEFONICA MANQUEHUE 7738 116 442 21 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 293 804 233 The Internet Solution 8452 183 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 16637 33 21 25 Johnnic e-Ventures 33774 32 7 19 AS Number for Telecom Algeria 8524 31 2 5 AUCEGYPT Autonomous System 23889 30 9 12 MAURITIUS TELECOM 21280 26 4 4 Swift Global Kenya Ltd.Is an 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 1228 980 CHINANET-BACKBONE 18566 976 968 Covad Communications 4755 1031 964 Videsh Sanchar Nigam Ltd. Aut 9583 958 943 Sify Limited 9498 885 821 BHARTI BT INTERNET LTD. 11492 806 791 Cable One 4323 1040 744 Time Warner Telecom 22773 713 672 Cox Communications, Inc. 19262 783 605 Verizon Global Networks 8151 770 553 UniNet S.A. de C.V. 721 851 547 DLA Systems Automation Center 5668 550 531 CenturyTel Internet Holdings, 17488 546 531 Hathway IP Over Cable Interne 6197 1022 527 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 482 449 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 /13:219 /14:397 /15:793 /16:9056 /17:3585 /18:5800 /19:12641 /20:14218 /21:12710 /22:16098 /23:17574 /24:108704 /25:647 /26:470 /27:359 /28:68 /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 828 1110 AT&T Data Communications Serv 7018 814 1537 AT&T WorldNet Services 6197 801 1022 BellSouth Network Solutions, 11492 792 806 Cable One 9583 786 958 Sify Limited 23577 757 771 KRNIC 7011 596 691 Citizens Utilities 19916 559 565 OLM LLC 4766 547 738 Korea Telecom (KIX) 9498 535 885 BHARTI BT INTERNET LTD. 4755 462 1031 Videsh Sanchar Nigam Ltd. Aut 15270 452 482 PaeTec.net -a division of Pae 855 436 540 Canadian Research Network 5668 426 550 CenturyTel Internet Holdings, 1239 419 839 Sprint 17849 416 430 Telecommunications Technology 18101 407 474 Reliance Infocom Ltd Internet 6198 388 549 BellSouth Network Solutions, 22773 379 713 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:59 9:1 12:1643 13:1 15:15 16:3 17:3 18:4 20:39 24:834 25:1 32:56 38:266 40:57 41:19 44:2 47:8 52:4 53:1 55:1 56:3 57:26 58:260 59:319 60:218 61:948 62:1049 63:1876 64:3156 65:2261 66:3038 67:659 68:653 69:1694 70:401 71:110 72:1009 74:110 75:29 76:44 80:830 81:741 82:641 83:389 84:456 85:723 86:434 87:414 88:242 89:614 91:85 121:65 122:27 123:3 124:437 125:704 128:294 129:206 130:125 131:313 132:35 133:9 134:177 135:42 136:179 137:113 138:186 139:49 140:523 141:134 142:347 143:193 144:250 145:67 146:320 147:139 148:365 149:175 150:115 151:118 152:79 153:121 154:5 155:261 156:148 157:162 158:152 159:173 160:97 161:86 162:213 163:151 164:238 165:235 166:243 167:269 168:488 169:124 170:389 171:11 172:1 190:285 192:5750 193:3576 194:2779 195:2133 196:887 198:3787 199:3298 200:4561 201:953 202:6948 203:7143 204:3931 205:2099 206:2412 207:2889 208:2329 209:3566 210:2175 211:872 212:1361 213:1448 214:383 215:39 216:4099 217:1163 218:347 219:258 220:801 221:368 222:250
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