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Routing Table Report 04:00 +10GMT Mon 12 Feb, 2007
Analysis Summary ----------------
BGP routing table entries examined: 210492 Prefixes after maximum aggregation: 113396 Deaggregation factor: 1.86 Unique aggregates announced to Internet: 102586 Total ASes present in the Internet Routing Table: 24307 Origin-only ASes present in the Internet Routing Table: 21169 Origin ASes announcing only one prefix: 10239 Transit ASes present in the Internet Routing Table: 3138 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: 4 Unregistered ASNs in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 13 Number of addresses announced to Internet: 1674816940 Equivalent to 99 /8s, 211 /16s and 173 /24s Percentage of available address space announced: 45.2 Percentage of allocated address space announced: 62.1 Percentage of available address space allocated: 72.8 Total number of prefixes smaller than registry allocations: 108049
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 47348 Total APNIC prefixes after maximum aggregation: 18861 APNIC Deaggregation factor: 2.51 Prefixes being announced from the APNIC address blocks: 44625 Unique aggregates announced from the APNIC address blocks: 19531 APNIC Region origin ASes present in the Internet Routing Table: 2845 APNIC Region origin ASes announcing only one prefix: 791 APNIC Region transit ASes present in the Internet Routing Table: 422 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 283401472 Equivalent to 16 /8s, 228 /16s and 93 /24s Percentage of available APNIC address space announced: 70.2
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: 103066 Total ARIN prefixes after maximum aggregation: 61037 ARIN Deaggregation factor: 1.69 Prefixes being announced from the ARIN address blocks: 75937 Unique aggregates announced from the ARIN address blocks: 29393 ARIN Region origin ASes present in the Internet Routing Table: 11319 ARIN Region origin ASes announcing only one prefix: 4333 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: 317238400 Equivalent to 18 /8s, 232 /16s and 172 /24s Percentage of available ARIN address space announced: 70.0
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: 43652 Total RIPE prefixes after maximum aggregation: 28510 RIPE Deaggregation factor: 1.53 Prefixes being announced from the RIPE address blocks: 40359 Unique aggregates announced from the RIPE address blocks: 26864 RIPE Region origin ASes present in the Internet Routing Table: 9127 RIPE Region origin ASes announcing only one prefix: 4811 RIPE Region transit ASes present in the Internet Routing Table: 1470 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 289193508 Equivalent to 17 /8s, 60 /16s and 190 /24s Percentage of available RIPE address space announced: 78.4
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 40960-43007 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: 13869 Total LACNIC prefixes after maximum aggregation: 4024 LACNIC Deaggregation factor: 3.45 Prefixes being announced from the LACNIC address blocks: 11947 Unique aggregates announced from the LACNIC address blocks: 7146 LACNIC Region origin ASes present in the Internet Routing Table: 759 LACNIC Region origin ASes announcing only one prefix: 249 LACNIC Region transit ASes present in the Internet Routing Table: 133 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 37310464 Equivalent to 2 /8s, 57 /16s and 80 /24s Percentage of available LACNIC address space announced: 55.6
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: 2554 Total AfriNIC prefixes after maximum aggregation: 962 AfriNIC Deaggregation factor: 2.65 Prefixes being announced from the AfriNIC address blocks: 1840 Unique aggregates announced from the AfriNIC address blocks: 1168 AfriNIC Region origin ASes present in the Internet Routing Table: 177 AfriNIC Region origin ASes announcing only one prefix: 54 AfriNIC Region transit ASes present in the Internet Routing Table: 34 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 5393664 Equivalent to 0 /8s, 82 /16s and 77 /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 1280 8673 274 CHINANET-BACKBONE 4755 1099 383 76 Videsh Sanchar Nigam Ltd. Aut 9583 1038 109 16 Sify Limited 9498 952 467 64 BHARTI BT INTERNET LTD. 23577 776 35 703 Korea Telecom (ATM-MPLS) 4766 765 4944 313 Korea Telecom (KIX) 17488 594 39 23 Hathway IP Over Cable Interne 7545 577 126 75 TPG Internet Pty Ltd 1221 572 1682 441 Telstra Pty Ltd 18101 520 103 23 Reliance Infocom Ltd Internet 17676 503 10935 65 Softbank BB Corp. 4812 443 803 73 China Telecom (Shanghai) 9443 441 111 73 Primus Telecommunications 7474 378 215 255 SingTel Optus Pty Ltd 17849 370 35 94 Telecommunications Technology 4802 359 86 149 Wantree Development 17557 359 34 170 Pakistan Telecom 17974 345 129 14 PT TELEKOMUNIKASI INDONESIA 2907 336 1749 309 SINET Japan 4837 336 4151 148 chinanet IDC center beijing n
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1500 6125 982 AT&T WorldNet Services 4323 1119 827 358 Time Warner Telecom 2386 1106 569 731 AT&T Data Communications Serv 6197 1017 651 499 BellSouth Network Solutions, 18566 988 288 9 Covad Communications 701 940 6696 748 UUNET Technologies, Inc. 11492 940 100 15 Cable One 174 938 6792 866 Cogent Communications 1239 823 2730 575 Sprint 20115 800 700 414 Charter Communications 7011 785 227 474 Citizens Utilities 19262 757 2591 178 Verizon Global Networks 22773 726 1872 41 Cox Communications, Inc. 209 717 3742 564 Qwest 721 678 21835 277 DLA Systems Automation Center 852 605 1090 391 Telus Advanced Communications 5668 576 160 16 CenturyTel Internet Holdings, 19916 568 49 54 OLM LLC 855 565 250 70 Canadian Research Network 6198 554 526 259 BellSouth Network Solutions,
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 546 1897 424 UUNET - Commercial IP service 3301 315 1199 290 TeliaNet Sweden 24863 307 45 25 LINKdotNET AS number 3320 297 4993 248 Deutsche Telekom AG 8220 268 456 260 COLT Telecommunications 6746 267 95 246 Dynamic Network Technologies, 680 257 2044 251 DFN-IP service G-WiN 8708 240 284 226 Romania Data Systems S.A. 3215 238 2224 92 France Telecom Transpac 1257 222 1100 171 SWIPnet Swedish IP Network 5416 215 14 15 BATELCO-BH 3269 212 2391 71 TELECOM ITALIA 3246 208 355 198 Song Networks 8551 201 194 29 Bezeq International 20858 197 34 3 EgyNet 3352 194 1767 31 Ibernet, Internet Access Netw 30890 187 15 91 SC Kappa Invexim SRL 3300 181 171 90 AUCS Communications Services 12479 178 578 6 Uni2 Autonomous System 786 172 1779 172 The JANET IP Service
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 1015 2109 202 UniNet S.A. de C.V. 11830 482 299 19 Instituto Costarricense de El 11172 341 107 82 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 247 142 29 Telecom Argentina Stet-France 14117 239 16 13 Telefonica del Sur S.A. 11556 235 116 6 Cable-Wireless Panama 6147 228 182 20 Telefonica Del Peru 6503 212 174 88 AVANTEL, S.A. 10481 181 72 8 Prima S.A. 7910 152 11 32 ANDINET ON LINE 21826 149 26 56 INTERCABLE 23216 148 19 42 RAMtelecom Telecomunicaciones 18822 145 9 10 TELEFONICA MANQUEHUE 20299 145 22 17 NEWCOM AMERICAS 19169 141 9 24 Telconet 14522 140 22 9 SatNet S.A. 19429 139 84 34 E.T.B.
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 290 868 232 The Internet Solution 8452 238 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 33783 114 6 5 EEPAD TISP TELECOM & INTERNET 24835 86 48 6 RAYA Telecom - Egypt 2905 79 173 72 The Internetworking Company o 2561 63 6 2 Egyptian Universities Network 15706 55 12 4 Sudatel Internet Exchange Aut 23889 52 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 21280 27 4 4 Swift Global Kenya Ltd.Is an 33776 27 2 5 Starcomms Nigeria Limited 10798 23 1 14 Standard Bank of South Africa
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1099 1023 Videsh Sanchar Nigam Ltd. Aut 9583 1038 1022 Sify Limited 4134 1280 1006 CHINANET-BACKBONE 18566 988 979 Covad Communications 11492 940 925 Cable One 9498 952 888 BHARTI BT INTERNET LTD. 8151 1015 813 UniNet S.A. de C.V. 4323 1119 761 Time Warner Telecom 22773 726 685 Cox Communications, Inc. 19262 757 579 Verizon Global Networks 17488 594 571 Hathway IP Over Cable Interne 5668 576 560 CenturyTel Internet Holdings, 6197 1017 518 BellSouth Network Solutions, 19916 568 514 OLM LLC 7545 577 502 TPG Internet Pty Ltd 18101 520 497 Reliance Infocom Ltd Internet 855 565 495 Canadian Research Network 15270 505 471 PaeTec.net -a division of Pae 11830 482 463 Instituto Costarricense de El 4766 765 452 Korea Telecom (KIX)
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 42.205.192.0/20 36925 Meditelecom 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 /8:19 /9:9 /10:13 /11:33 /12:116 /13:226 /14:422 /15:819 /16:9210 /17:3721 /18:6047 /19:13057 /20:14670 /21:13151 /22:16982 /23:17965 /24:112213 /25:689 /26:484 /27:411 /28:69 /29:43 /30:90 /31:0 /32:33
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 970 988 Covad Communications 11492 926 940 Cable One 9583 866 1038 Sify Limited 2386 830 1106 AT&T Data Communications Serv 7018 809 1500 AT&T WorldNet Services 6197 795 1017 BellSouth Network Solutions, 23577 762 776 Korea Telecom (ATM-MPLS) 7011 684 785 Citizens Utilities 9498 606 952 BHARTI BT INTERNET LTD. 4766 573 765 Korea Telecom (KIX) 19916 563 568 OLM LLC 4755 508 1099 Videsh Sanchar Nigam Ltd. Aut 15270 473 505 PaeTec.net -a division of Pae 855 464 565 Canadian Research Network 18101 451 520 Reliance Infocom Ltd Internet 5668 446 576 CenturyTel Internet Holdings, 17488 416 594 Hathway IP Over Cable Interne 33588 410 432 Bresnan Communications, LLC. 4323 403 1119 Time Warner Telecom 1239 402 823 Sprint
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 6:1 7:1 8:64 9:1 12:1654 13:1 15:16 16:3 17:3 18:5 20:36 24:885 25:1 32:53 38:279 40:57 41:68 44:2 47:7 52:4 55:1 56:3 57:25 58:301 59:376 60:203 61:918 62:1024 63:1905 64:3238 65:2312 66:3106 67:719 68:654 69:1715 70:446 71:97 72:1185 73:2 74:162 75:77 77:17 80:838 81:780 82:659 83:359 84:508 85:730 86:460 87:482 88:226 89:785 90:1 91:196 97:1 116:1 117:1 118:1 119:1 120:1 121:132 122:81 123:37 124:576 125:783 128:309 129:219 130:136 131:342 132:49 133:9 134:186 135:45 136:181 137:113 138:196 139:54 140:515 141:141 142:373 143:215 144:270 145:43 146:315 147:143 148:370 149:191 150:114 151:116 152:92 153:119 154:5 155:250 156:129 157:174 158:151 159:149 160:98 161:88 162:229 163:162 164:447 165:324 166:247 167:281 168:496 169:120 170:385 171:15 172:1 189:162 190:388 192:5743 193:3701 194:2955 195:2193 196:941 198:3749 199:3281 200:4597 201:969 202:7151 203:7362 204:3956 205:2098 206:2405 207:2867 208:2459 209:3595 210:2368 211:921 212:1293 213:1410 214:405 215:39 216:4059 217:1154 218:353 219:266 220:856 221:371 222:264
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