Orbit

Routing Table Report 08:00 +10GMT Sun 30 Jan, 2011

Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/

Analysis Summary ----------------

BGP routing table entries examined: 335975 Prefixes after maximum aggregation: 153991 Deaggregation factor: 2.18 Unique aggregates announced to Internet: 169067 Total ASes present in the Internet Routing Table: 35539 Prefixes per ASN: 9.45 Origin-only ASes present in the Internet Routing Table: 30748 Origin ASes announcing only one prefix: 14943 Transit ASes present in the Internet Routing Table: 4791 Transit-only ASes present in the Internet Routing Table: 107 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 30 Max AS path prepend of ASN (16181) 22 Prefixes from unregistered ASNs in the Routing Table: 318 Unregistered ASNs in the Routing Table: 123 Number of 32-bit ASNs allocated by the RIRs: 1059 Prefixes from 32-bit ASNs in the Routing Table: 1611 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 207 Number of addresses announced to Internet: 2483466752 Equivalent to 148 /8s, 6 /16s and 178 /24s Percentage of available address space announced: 67.0 Percentage of allocated address space announced: 69.2 Percentage of available address space allocated: 96.8 Percentage of address space in use by end-sites: 88.0 Total number of prefixes smaller than registry allocations: 136423

APNIC Region Analysis Summary -----------------------------

Prefixes being announced by APNIC Region ASes: 81422 Total APNIC prefixes after maximum aggregation: 27829 APNIC Deaggregation factor: 2.93 Prefixes being announced from the APNIC address blocks: 79030 Unique aggregates announced from the APNIC address blocks: 35396 APNIC Region origin ASes present in the Internet Routing Table: 4260 APNIC Prefixes per ASN: 18.55 APNIC Region origin ASes announcing only one prefix: 1223 APNIC Region transit ASes present in the Internet Routing Table: 658 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 586420736 Equivalent to 34 /8s, 244 /16s and 18 /24s Percentage of available APNIC address space announced: 79.4

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 55296-56319, 131072-132095 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary ----------------------------

Prefixes being announced by ARIN Region ASes: 135165 Total ARIN prefixes after maximum aggregation: 69303 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 108117 Unique aggregates announced from the ARIN address blocks: 44485 ARIN Region origin ASes present in the Internet Routing Table: 14073 ARIN Prefixes per ASN: 7.68 ARIN Region origin ASes announcing only one prefix: 5388 ARIN Region transit ASes present in the Internet Routing Table: 1389 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 23 Number of ARIN addresses announced to Internet: 751570688 Equivalent to 44 /8s, 204 /16s and 15 /24s Percentage of available ARIN address space announced: 63.1

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, 46080-47103 53248-55295, 393216-394239 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 107/8, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary ----------------------------

Prefixes being announced by RIPE Region ASes: 81295 Total RIPE prefixes after maximum aggregation: 46145 RIPE Deaggregation factor: 1.76 Prefixes being announced from the RIPE address blocks: 74654 Unique aggregates announced from the RIPE address blocks: 48322 RIPE Region origin ASes present in the Internet Routing Table: 15227 RIPE Prefixes per ASN: 4.90 RIPE Region origin ASes announcing only one prefix: 7774 RIPE Region transit ASes present in the Internet Routing Table: 2354 Average RIPE Region AS path length visible: 3.4 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 456748288 Equivalent to 27 /8s, 57 /16s and 109 /24s Percentage of available RIPE address space announced: 75.6

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 40960-45055, 47104-52223, 56320-58367 196608-198655 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 176/8, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary ------------------------------

Prefixes being announced by LACNIC Region ASes: 31114 Total LACNIC prefixes after maximum aggregation: 7172 LACNIC Deaggregation factor: 4.34 Prefixes being announced from the LACNIC address blocks: 30038 Unique aggregates announced from the LACNIC address blocks: 15817 LACNIC Region origin ASes present in the Internet Routing Table: 1409 LACNIC Prefixes per ASN: 21.32 LACNIC Region origin ASes announcing only one prefix: 434 LACNIC Region transit ASes present in the Internet Routing Table: 238 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 80190208 Equivalent to 4 /8s, 199 /16s and 155 /24s Percentage of available LACNIC address space announced: 59.7

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,

AfriNIC Region Analysis Summary -------------------------------

Prefixes being announced by AfriNIC Region ASes: 4693 Total AfriNIC prefixes after maximum aggregation: 1651 AfriNIC Deaggregation factor: 2.84 Prefixes being announced from the AfriNIC address blocks: 3497 Unique aggregates announced from the AfriNIC address blocks: 1576 AfriNIC Region origin ASes present in the Internet Routing Table: 401 AfriNIC Prefixes per ASN: 8.72 AfriNIC Region origin ASes announcing only one prefix: 124 AfriNIC Region transit ASes present in the Internet Routing Table: 89 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 18320896 Equivalent to 1 /8s, 23 /16s and 142 /24s Percentage of available AfriNIC address space announced: 36.4

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 105/8, 197/8,

APNIC Region per AS prefix count summary ----------------------------------------

ASN No of nets /20 equiv MaxAgg Description 4766 1760 9484 516 Korea Telecom (KIX) 7545 1580 299 80 TPG Internet Pty Ltd 4755 1401 636 161 TATA Communications formerly 17974 1390 459 28 PT TELEKOMUNIKASI INDONESIA 24560 1094 317 180 Bharti Airtel Ltd., Telemedia 9583 1014 75 506 Sify Limited 17488 950 162 103 Hathway IP Over Cable Interne 4808 930 2012 266 CNCGROUP IP network: China169 18101 912 116 137 Reliance Infocom Ltd Internet 9829 886 761 44 BSNL National Internet Backbo

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC

ARIN Region per AS prefix count summary ---------------------------------------

ASN No of nets /20 equiv MaxAgg Description 6389 3709 3855 266 bellsouth.net, inc. 4323 2634 1125 405 Time Warner Telecom 19262 1841 4943 285 Verizon Global Networks 1785 1790 698 133 PaeTec Communications, Inc. 20115 1521 1531 642 Charter Communications 6478 1483 292 54 AT&T Worldnet Services 7018 1372 6708 890 AT&T WorldNet Services 2386 1299 554 935 AT&T Data Communications Serv 22773 1274 2865 78 Cox Communications, Inc. 11492 1271 235 74 Cable One

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN

RIPE Region per AS prefix count summary ---------------------------------------

ASN No of nets /20 equiv MaxAgg Description 6830 510 1764 317 UPC Distribution Services 9116 481 328 31 Goldenlines main autonomous s 9198 465 266 14 Kazakhtelecom Data Network Ad 34984 458 97 137 BILISIM TELEKOM 3292 447 2011 390 TDC Tele Danmark 8866 438 133 23 Bulgarian Telecommunication C 12479 412 577 6 Uni2 Autonomous System 8551 404 355 38 Bezeq International 702 401 1819 314 UUNET - Commercial IP service 3320 401 7616 350 Deutsche Telekom AG

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE

LACNIC Region per AS prefix count summary -----------------------------------------

ASN No of nets /20 equiv MaxAgg Description 10620 1357 252 165 TVCABLE BOGOTA 28573 1224 961 82 NET Servicos de Comunicao S.A 8151 1200 2611 356 UniNet S.A. de C.V. 6503 1139 355 79 AVANTEL, S.A. 7303 864 460 103 Telecom Argentina Stet-France 14420 614 55 90 ANDINATEL S.A. 22047 566 310 15 VTR PUNTO NET S.A. 3816 499 220 95 Empresa Nacional de Telecomun 7738 478 922 30 Telecomunicacoes da Bahia S.A 14117 456 34 31 Telefonica del Sur S.A.

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary ------------------------------------------

ASN No of nets /20 equiv MaxAgg Description 3741 264 987 226 The Internet Solution 6713 203 199 12 Itissalat Al-MAGHRIB 33776 194 12 15 Starcomms Nigeria Limited 29571 193 17 11 Ci Telecom Autonomous system 16637 154 439 86 MTN Network Solutions 36874 139 24 6 Cybersmart 29975 131 475 17 Vodacom 37061 108 9 2 One Communications Ltd 15706 102 16 5 Sudatel Internet Exchange Aut 37054 85 5 21 Data Telecom Service

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC

Global Per AS prefix count summary ----------------------------------

ASN No of nets /20 equiv MaxAgg Description 6389 3709 3855 266 bellsouth.net, inc. 4323 2634 1125 405 Time Warner Telecom 19262 1841 4943 285 Verizon Global Networks 1785 1790 698 133 PaeTec Communications, Inc. 4766 1760 9484 516 Korea Telecom (KIX) 23456 1611 397 889 32-bit ASN transition 7545 1580 299 80 TPG Internet Pty Ltd 20115 1521 1531 642 Charter Communications 6478 1483 292 54 AT&T Worldnet Services 4755 1401 636 161 TATA Communications formerly

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet

Global Per AS Maximum Aggr summary ----------------------------------

ASN No of nets Net Savings Description 4323 2634 2229 Time Warner Telecom 1785 1790 1657 PaeTec Communications, Inc. 19262 1841 1556 Verizon Global Networks 7545 1580 1500 TPG Internet Pty Ltd 6478 1483 1429 AT&T Worldnet Services 17974 1390 1362 PT TELEKOMUNIKASI INDONESIA 4766 1760 1244 Korea Telecom (KIX) 4755 1401 1240 TATA Communications formerly 11492 1271 1197 Cable One 22773 1274 1196 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet

List of Unregistered Origin ASNs (Global) -----------------------------------------

Bad AS Designation Network Transit AS Description 65333 PRIVATE 10.0.0.0/8 0 * 16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/london/data-badAS

Prefixes from private and non-routed address space (Global) -----------------------------------------------------------

Prefix Origin AS Description 10.0.0.0/8 65333 Internet Assigned Numbers Aut 169.254.0.0/16 65333 Internet Assigned Numbers Aut 172.16.0.0/12 65333 Internet Assigned Numbers Aut 192.0.2.0/24 65333 Internet Assigned Numbers Aut 192.168.0.0/16 0 * 198.18.0.0/15 65333 Internet Assigned Numbers Aut

Complete listing at http://thyme.rand.apnic.net/london/data-dsua

Advertised Unallocated Addresses --------------------------------

Network Origin AS Description 5.0.0.0/16 12654 RIPE NCC RIS Project 5.1.0.0/21 12654 RIPE NCC RIS Project 5.1.24.0/24 12654 RIPE NCC RIS Project 24.129.192.0/19 7922 Continental Cablevision 37.0.0.0/16 12654 RIPE NCC RIS Project 37.1.0.0/21 12654 RIPE NCC RIS Project 37.1.24.0/24 12654 RIPE NCC RIS Project 41.57.192.0/18 22750 BCSNET 41.78.192.0/22 30999 Emtel is GSM, 3G and ISP in M 41.222.79.0/24 36938 >>UNKNOWN<<

Complete listing at http://thyme.rand.apnic.net/london/data-add-IANA

Number of prefixes announced per prefix length (Global) -------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:27 /9:10 /10:26 /11:71 /12:215 /13:439 /14:764 /15:1358 /16:11420 /17:5560 /18:9172 /19:18825 /20:24200 /21:24393 /22:32170 /23:30793 /24:176091 /25:11 /26:17 /27:23 /28:150 /29:91 /30:41 /31:0 /32:108

Advertised prefixes smaller than registry allocations -----------------------------------------------------

ASN No of nets Total ann. Description 6389 2287 3709 bellsouth.net, inc. 6478 1437 1483 AT&T Worldnet Services 4323 1421 2634 Time Warner Telecom 10620 1248 1357 TVCABLE BOGOTA 11492 1227 1271 Cable One 18566 1103 1122 Covad Communications 7011 1065 1168 Citizens Utilities 1785 1059 1790 PaeTec Communications, Inc. 23456 956 1611 32-bit ASN transition 19262 954 1841 Verizon Global Networks

Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos

Number of /24s announced per /8 block (Global) ----------------------------------------------

1:167 2:30 4:13 5:1 8:330 12:2030 13:1 14:360 15:15 16:3 17:8 20:9 23:1 24:1465 27:552 32:57 33:5 34:2 36:1 37:1 38:689 40:101 41:1624 42:1 44:3 46:517 47:5 49:143 50:76 52:12 55:5 56:2 57:27 58:766 59:481 60:389 61:1021 62:851 63:1916 64:3729 65:2329 66:4059 67:1754 68:1005 69:2872 70:716 71:392 72:1989 73:1 74:2308 75:293 76:330 77:852 78:688 79:439 80:1019 81:764 82:513 83:472 84:452 85:1050 86:512 87:740 88:359 89:1567 90:159 91:3436 92:493 93:1043 94:1155 95:781 96:417 97:249 98:756 99:33 101:24 107:3 108:81 109:857 110:469 111:686 112:305 113:350 114:438 115:626 116:871 117:667 118:639 119:1019 120:239 121:678 122:1603 123:1040 124:1251 125:1212 128:194 129:151 130:168 131:559 132:103 133:20 134:210 135:49 136:213 137:144 138:293 139:118 140:467 141:198 142:347 143:371 144:481 145:51 146:418 147:192 148:609 149:272 150:150 151:231 152:300 153:175 154:2 155:346 156:171 157:312 158:128 159:369 160:313 161:195 162:276 163:107 164:484 165:336 166:481 167:422 168:732 169:149 170:741 171:66 172:1 173:1269 174:516 175:312 176:1 177:4 178:761 180:764 182:387 183:247 184:207 186:963 187:798 188:910 189:1023 190:4422 192:5727 193:4774 194:3459 195:2917 196:1027 197:3 198:3472 199:3715 200:5554 201:1575 202:8021 203:8315 204:4025 205:2326 206:2436 207:2886 208:3875 209:3464 210:2548 211:1322 212:1858 213:1627 214:746 215:62 216:4806 217:1490 218:513 219:372 220:1186 221:422 222:316 223:89

End of report