Orbit

Routing Table Report 08:00 +10GMT Wed 02 Nov, 2011

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

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

BGP routing table entries examined: 373992 Prefixes after maximum aggregation: 164386 Deaggregation factor: 2.28 Unique aggregates announced to Internet: 186729 Total ASes present in the Internet Routing Table: 37485 Prefixes per ASN: 9.98 Origin-only ASes present in the Internet Routing Table: 32340 Origin ASes announcing only one prefix: 15495 Transit ASes present in the Internet Routing Table: 5145 Transit-only ASes present in the Internet Routing Table: 133 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 27 Max AS path prepend of ASN (51310) 25 Prefixes from unregistered ASNs in the Routing Table: 2332 Unregistered ASNs in the Routing Table: 919 Number of 32-bit ASNs allocated by the RIRs: 1919 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 3642 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 86 Number of addresses announced to Internet: 2506624000 Equivalent to 149 /8s, 104 /16s and 12 /24s Percentage of available address space announced: 67.6 Percentage of allocated address space announced: 67.6 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 91.5 Total number of prefixes smaller than registry allocations: 156150

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

Prefixes being announced by APNIC Region ASes: 89739 Total APNIC prefixes after maximum aggregation: 29736 APNIC Deaggregation factor: 3.02 Prefixes being announced from the APNIC address blocks: 87115 Unique aggregates announced from the APNIC address blocks: 38221 APNIC Region origin ASes present in the Internet Routing Table: 4548 APNIC Prefixes per ASN: 19.15 APNIC Region origin ASes announcing only one prefix: 1278 APNIC Region transit ASes present in the Internet Routing Table: 693 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 20 Number of APNIC region 32-bit ASNs visible in the Routing Table: 0 Number of APNIC addresses announced to Internet: 629102848 Equivalent to 37 /8s, 127 /16s and 89 /24s Percentage of available APNIC address space announced: 79.8

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 131072-132095, 132096-133119 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 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: 144524 Total ARIN prefixes after maximum aggregation: 73946 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 116685 Unique aggregates announced from the ARIN address blocks: 48343 ARIN Region origin ASes present in the Internet Routing Table: 14660 ARIN Prefixes per ASN: 7.96 ARIN Region origin ASes announcing only one prefix: 5631 ARIN Region transit ASes present in the Internet Routing Table: 1492 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 0 Number of ARIN addresses announced to Internet: 804799232 Equivalent to 47 /8s, 248 /16s and 67 /24s Percentage of available ARIN address space announced: 64.0

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, 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, 45/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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, 104/8, 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: 91559 Total RIPE prefixes after maximum aggregation: 50779 RIPE Deaggregation factor: 1.80 Prefixes being announced from the RIPE address blocks: 84193 Unique aggregates announced from the RIPE address blocks: 54289 RIPE Region origin ASes present in the Internet Routing Table: 16070 RIPE Prefixes per ASN: 5.24 RIPE Region origin ASes announcing only one prefix: 7978 RIPE Region transit ASes present in the Internet Routing Table: 2514 Average RIPE Region AS path length visible: 3.4 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 491188480 Equivalent to 29 /8s, 70 /16s and 241 /24s Percentage of available RIPE address space announced: 79.1

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 40960-45055, 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, 185/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 35316 Total LACNIC prefixes after maximum aggregation: 7826 LACNIC Deaggregation factor: 4.51 Prefixes being announced from the LACNIC address blocks: 34900 Unique aggregates announced from the LACNIC address blocks: 18511 LACNIC Region origin ASes present in the Internet Routing Table: 1531 LACNIC Prefixes per ASN: 22.80 LACNIC Region origin ASes announcing only one prefix: 449 LACNIC Region transit ASes present in the Internet Routing Table: 265 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0 Number of LACNIC addresses announced to Internet: 92712448 Equivalent to 5 /8s, 134 /16s and 174 /24s Percentage of available LACNIC address space announced: 61.4

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 179/8, 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: 8534 Total AfriNIC prefixes after maximum aggregation: 2023 AfriNIC Deaggregation factor: 4.22 Prefixes being announced from the AfriNIC address blocks: 6656 Unique aggregates announced from the AfriNIC address blocks: 1982 AfriNIC Region origin ASes present in the Internet Routing Table: 499 AfriNIC Prefixes per ASN: 13.34 AfriNIC Region origin ASes announcing only one prefix: 159 AfriNIC Region transit ASes present in the Internet Routing Table: 110 Average AfriNIC Region AS path length visible: 3.3 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0 Number of AfriNIC addresses announced to Internet: 27917824 Equivalent to 1 /8s, 169 /16s and 254 /24s Percentage of available AfriNIC address space announced: 41.6

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

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

ASN No of nets /20 equiv MaxAgg Description 4766 1947 11121 664 Korea Telecom (KIX) 7545 1611 303 87 TPG Internet Pty Ltd 17974 1598 511 36 PT Telekomunikasi Indonesia 4755 1526 377 174 TATA Communications formerly 9829 1166 989 28 National Internet Backbone 9583 1092 80 500 Sify Limited 7552 987 1062 11 Vietel Corporation 4808 973 2009 278 CNCGROUP IP network China169 24560 964 342 218 Bharti Airtel Ltd., Telemedia 18101 955 135 150 Reliance Infocom Ltd Internet

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 3544 3815 221 BellSouth.net Inc. 7029 2359 1042 211 Windstream Communications Inc 18566 2094 382 176 Covad Communications Co. 1785 1845 680 122 PaeTec Communications, Inc. 4323 1622 1094 389 tw telecom holdings, inc. 20115 1595 1547 621 Charter Communications 22773 1459 2907 100 Cox Communications Inc. 19262 1395 4728 400 Verizon Online LLC 30036 1395 253 668 Mediacom Communications Corp 7018 1322 7063 870 AT&T Services, Inc.

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 8402 1472 416 14 Corbina telecom 6830 649 1927 412 UPC Broadband 34984 591 109 180 BILISIM TELEKOM 9116 540 326 31 Goldenlines main autonomous s 20940 531 178 416 Akamai Technologies European 3320 507 8169 387 Deutsche Telekom AG 3292 480 2074 407 TDC Data Networks 12479 479 596 9 France Telecom Espana SA 8866 461 133 26 Bulgarian Telecommunication C 8551 404 355 38 Bezeq International

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 1699 314 156 Types of queries are: POCs, o 28573 1458 1044 73 Types of queries are: POCs, o 8151 1291 2910 343 Uninet S.A. de C.V. 7303 1236 751 171 Telecom Argentina S.A. 22047 580 322 17 Types of queries are: POCs, o 27947 580 72 85 Telconet S.A 6503 559 434 69 Axtel, S.A.B. de C.V. 7738 552 1050 31 Telecomunicacoes da Bahia S.A 3816 540 233 95 Types of queries are: POCs, o 11172 524 102 97 Alestra, S. de R.L. de C.V.

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 24863 796 146 33 LINKdotNET AS number 8452 652 446 12 TEDATA 15475 454 74 8 Nile Online 36992 297 415 21 Etisalat MISR 3741 281 939 230 The Internet Solution 6713 244 519 14 Itissalat Al-MAGHRIB 15706 240 32 6 Sudatel Internet Exchange Aut 33776 239 13 8 Starcomms Nigeria Limited 29571 218 17 13 Ci Telecom Autonomous system 12258 197 28 58 Vodacom Internet Company

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 3544 3815 221 BellSouth.net Inc. 7029 2359 1042 211 Windstream Communications Inc 18566 2094 382 176 Covad Communications Co. 4766 1947 11121 664 Korea Telecom (KIX) 1785 1845 680 122 PaeTec Communications, Inc. 10620 1699 314 156 Types of queries are: POCs, o 4323 1622 1094 389 tw telecom holdings, inc. 7545 1611 303 87 TPG Internet Pty Ltd 17974 1598 511 36 PT Telekomunikasi Indonesia 20115 1595 1547 621 Charter Communications

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

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

ASN No of nets Net Savings Description 7029 2359 2148 Windstream Communications Inc 18566 2094 1918 Covad Communications Co. 1785 1845 1723 PaeTec Communications, Inc. 17974 1598 1562 PT Telekomunikasi Indonesia 10620 1699 1543 Types of queries are: POCs, o 7545 1611 1524 TPG Internet Pty Ltd 8402 1472 1458 Corbina telecom 28573 1458 1385 Types of queries are: POCs, o 22773 1459 1359 Cox Communications Inc. 4755 1526 1352 TATA Communications formerly

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 * 32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc. 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc. 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T Services, Inc. 16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion 32567 UNALLOCATED 12.25.107.0/24 4323 tw telecom holdings, 30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc. 26095 UNALLOCATED 12.34.8.0/24 7018 AT&T Services, Inc. 21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc. 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T Services, Inc.

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 128.0.0.0/16 12654 RIPE NCC RIS Project 128.0.24.0/24 12654 RIPE NCC RIS Project 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 24.225.128.0/18 36377 Comcast Telecommunications, I 24.225.192.0/23 36377 Comcast Telecommunications, I 24.225.192.0/18 36377 Comcast Telecommunications, I 24.225.224.0/21 36377 Comcast Telecommunications, I 24.225.237.0/24 36377 Comcast Telecommunications, I 24.225.248.0/21 36377 Comcast Telecommunications, I 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 62.61.220.0/24 24974 Tachyon Europe BV 62.61.221.0/24 24974 Tachyon Europe BV

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 /8:20 /9:12 /10:27 /11:81 /12:237 /13:465 /14:807 /15:1418 /16:11979 /17:6040 /18:10020 /19:20044 /20:27516 /21:27520 /22:36807 /23:34863 /24:195621 /25:11 /26:20 /27:21 /28:150 /29:121 /30:62 /31:0 /32:130

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

ASN No of nets Total ann. Description 6389 2183 3544 BellSouth.net Inc. 18566 2044 2094 Covad Communications Co. 7029 2011 2359 Windstream Communications Inc 10620 1594 1699 Types of queries are: POCs, o 8402 1447 1472 Corbina telecom 30036 1356 1395 Mediacom Communications Corp 11492 1117 1154 CABLE ONE, INC. 1785 1056 1845 PaeTec Communications, Inc. 7011 1050 1168 Frontier Communications of Am 22773 947 1459 Cox Communications Inc.

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

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

1:411 2:475 4:15 5:1 6:3 8:357 12:1951 13:1 14:531 15:11 16:3 17:7 20:9 23:59 24:1676 27:963 31:653 32:56 33:2 34:2 36:4 38:752 40:110 41:2694 42:53 44:3 46:1020 47:3 49:296 50:436 52:13 55:7 56:2 57:43 58:856 59:487 60:358 61:1019 62:1090 63:1956 64:4015 65:2297 66:4257 67:1990 68:1148 69:3198 70:877 71:383 72:1804 74:2599 75:391 76:316 77:879 78:865 79:476 80:1136 81:828 82:526 83:528 84:620 85:1149 86:410 87:922 88:354 89:1601 90:237 91:4240 92:530 93:1529 94:1303 95:1078 96:419 97:287 98:928 99:37 101:105 103:411 106:70 107:79 108:72 109:1048 110:637 111:793 112:331 113:465 114:606 115:677 116:865 117:694 118:867 119:1212 120:338 121:677 122:1543 123:1006 124:1293 125:1300 128:210 129:181 130:156 131:625 132:140 133:21 134:212 135:54 136:211 137:137 138:286 139:120 140:466 141:315 142:368 143:410 144:490 145:64 146:459 147:219 148:620 149:266 150:157 151:194 152:445 153:178 154:6 155:389 156:205 157:328 158:154 159:416 160:332 161:204 162:368 163:163 164:507 165:367 166:539 167:437 168:737 169:144 170:880 171:85 172:4 173:1699 174:674 175:403 176:277 177:363 178:1071 180:1124 181:36 182:638 183:215 184:382 185:1 186:1322 187:774 188:954 189:1132 190:5138 192:5885 193:5043 194:3557 195:3109 196:1218 197:166 198:3574 199:4127 200:5453 201:1698 202:8283 203:8389 204:4228 205:2347 206:2585 207:2751 208:4014 209:3554 210:2650 211:1452 212:2091 213:1782 214:804 215:94 216:4894 217:1605 218:555 219:336 220:1216 221:499 222:296 223:260

End of report