Orbit

Routing Table Report 08:00 +10GMT Thu 03 Nov, 2011

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

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

BGP routing table entries examined: 374315 Prefixes after maximum aggregation: 164490 Deaggregation factor: 2.28 Unique aggregates announced to Internet: 186871 Total ASes present in the Internet Routing Table: 37488 Prefixes per ASN: 9.98 Origin-only ASes present in the Internet Routing Table: 32355 Origin ASes announcing only one prefix: 15502 Transit ASes present in the Internet Routing Table: 5133 Transit-only ASes present in the Internet Routing Table: 131 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: 2342 Unregistered ASNs in the Routing Table: 925 Number of 32-bit ASNs allocated by the RIRs: 1922 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 3665 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 88 Number of addresses announced to Internet: 2506608384 Equivalent to 149 /8s, 103 /16s and 207 /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: 156412

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

Prefixes being announced by APNIC Region ASes: 89713 Total APNIC prefixes after maximum aggregation: 29744 APNIC Deaggregation factor: 3.02 Prefixes being announced from the APNIC address blocks: 87112 Unique aggregates announced from the APNIC address blocks: 38247 APNIC Region origin ASes present in the Internet Routing Table: 4550 APNIC Prefixes per ASN: 19.15 APNIC Region origin ASes announcing only one prefix: 1280 APNIC Region transit ASes present in the Internet Routing Table: 691 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: 629016576 Equivalent to 37 /8s, 126 /16s and 8 /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: 144573 Total ARIN prefixes after maximum aggregation: 73990 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 116775 Unique aggregates announced from the ARIN address blocks: 48353 ARIN Region origin ASes present in the Internet Routing Table: 14669 ARIN Prefixes per ASN: 7.96 ARIN Region origin ASes announcing only one prefix: 5640 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: 804683264 Equivalent to 47 /8s, 246 /16s and 126 /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: 91791 Total RIPE prefixes after maximum aggregation: 50843 RIPE Deaggregation factor: 1.81 Prefixes being announced from the RIPE address blocks: 84356 Unique aggregates announced from the RIPE address blocks: 54307 RIPE Region origin ASes present in the Internet Routing Table: 16072 RIPE Prefixes per ASN: 5.25 RIPE Region origin ASes announcing only one prefix: 7976 RIPE Region transit ASes present in the Internet Routing Table: 2511 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: 491211776 Equivalent to 29 /8s, 71 /16s and 76 /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: 35390 Total LACNIC prefixes after maximum aggregation: 7819 LACNIC Deaggregation factor: 4.53 Prefixes being announced from the LACNIC address blocks: 34942 Unique aggregates announced from the LACNIC address blocks: 18529 LACNIC Region origin ASes present in the Internet Routing Table: 1528 LACNIC Prefixes per ASN: 22.87 LACNIC Region origin ASes announcing only one prefix: 446 LACNIC Region transit ASes present in the Internet Routing Table: 264 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0 Number of LACNIC addresses announced to Internet: 92731136 Equivalent to 5 /8s, 134 /16s and 247 /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: 8493 Total AfriNIC prefixes after maximum aggregation: 2018 AfriNIC Deaggregation factor: 4.21 Prefixes being announced from the AfriNIC address blocks: 6602 Unique aggregates announced from the AfriNIC address blocks: 1977 AfriNIC Region origin ASes present in the Internet Routing Table: 494 AfriNIC Prefixes per ASN: 13.36 AfriNIC Region origin ASes announcing only one prefix: 160 AfriNIC Region transit ASes present in the Internet Routing Table: 109 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: 27912704 Equivalent to 1 /8s, 169 /16s and 234 /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 1596 504 38 PT Telekomunikasi Indonesia 4755 1527 377 174 TATA Communications formerly 9829 1166 989 28 National Internet Backbone 9583 1093 80 498 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 3542 3815 221 BellSouth.net Inc. 7029 2368 1042 211 Windstream Communications Inc 18566 2094 382 176 Covad Communications Co. 1785 1846 680 122 PaeTec Communications, Inc. 4323 1623 1094 390 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 1323 7063 868 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 1547 416 14 Corbina telecom 6830 649 1927 412 UPC Broadband 34984 594 110 182 BILISIM TELEKOM 9116 541 326 31 Goldenlines main autonomous s 20940 539 180 423 Akamai Technologies European 3320 507 8169 387 Deutsche Telekom AG 3292 482 2074 407 TDC Data Networks 12479 481 596 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 1461 1043 78 Types of queries are: POCs, o 8151 1290 2910 342 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 779 146 33 LINKdotNET AS number 8452 652 446 12 TEDATA 15475 455 74 8 Nile Online 36992 297 415 20 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 3542 3815 221 BellSouth.net Inc. 7029 2368 1042 211 Windstream Communications Inc 18566 2094 382 176 Covad Communications Co. 4766 1947 11121 664 Korea Telecom (KIX) 1785 1846 680 122 PaeTec Communications, Inc. 10620 1699 314 156 Types of queries are: POCs, o 4323 1623 1094 390 tw telecom holdings, inc. 7545 1611 303 87 TPG Internet Pty Ltd 17974 1596 504 38 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 2368 2157 Windstream Communications Inc 18566 2094 1918 Covad Communications Co. 1785 1846 1724 PaeTec Communications, Inc. 17974 1596 1558 PT Telekomunikasi Indonesia 10620 1699 1543 Types of queries are: POCs, o 8402 1547 1533 Corbina telecom 7545 1611 1524 TPG Internet Pty Ltd 28573 1461 1383 Types of queries are: POCs, o 22773 1459 1359 Cox Communications Inc. 4755 1527 1353 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 /16:11982 /17:6037 /18:10020 /19:20042 /20:27526 /21:27559 /22:36824 /23:34864 /24:195867 /25:12 /26:20 /27:22 /28:155 /29:125 /30:63 /31:0 /32:130

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

ASN No of nets Total ann. Description 6389 2181 3542 BellSouth.net Inc. 18566 2044 2094 Covad Communications Co. 7029 2020 2368 Windstream Communications Inc 10620 1594 1699 Types of queries are: POCs, o 8402 1522 1547 Corbina telecom 30036 1356 1395 Mediacom Communications Corp 11492 1117 1154 CABLE ONE, INC. 1785 1056 1846 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) ----------------------------------------------

1:415 2:490 4:15 5:1 6:3 8:357 12:1954 13:1 14:530 15:11 16:3 17:7 20:9 23:59 24:1677 27:967 31:661 32:56 33:2 34:2 36:4 38:752 40:110 41:2678 42:54 44:3 46:1020 47:3 49:296 50:439 52:13 55:6 56:2 57:43 58:856 59:490 60:358 61:1018 62:1091 63:1960 64:4020 65:2296 66:4261 67:2001 68:1147 69:3183 70:878 71:384 72:1804 74:2603 75:392 76:317 77:881 78:884 79:477 80:1139 81:842 82:529 83:529 84:621 85:1148 86:406 87:931 88:357 89:1603 90:237 91:4254 92:532 93:1549 94:1304 95:1101 96:421 97:286 98:932 99:37 101:106 103:416 106:70 107:82 108:72 109:1050 110:638 111:795 112:333 113:466 114:610 115:676 116:864 117:695 118:858 119:1214 120:338 121:675 122:1554 123:1010 124:1294 125:1300 128:210 129:182 130:158 131:624 132:140 133:21 134:213 135:54 136:210 137:137 138:286 139:120 140:464 141:316 142:369 143:413 144:488 145:64 146:459 147:219 148:615 149:266 150:158 151:194 152:444 153:178 154:6 155:385 156:205 157:328 158:154 159:416 160:332 161:204 162:368 163:163 164:507 165:368 166:540 167:437 168:737 169:144 170:880 171:85 172:4 173:1705 174:678 175:403 176:287 177:366 178:1073 180:1126 181:38 182:635 183:214 184:384 185:1 186:1323 187:777 188:1004 189:1130 190:5145 192:5888 193:5047 194:3554 195:3107 196:1223 197:167 198:3571 199:4130 200:5456 201:1685 202:8261 203:8393 204:4230 205:2349 206:2585 207:2753 208:4016 209:3558 210:2645 211:1448 212:2085 213:1780 214:807 215:96 216:4896 217:1601 218:555 219:336 220:1215 221:501 222:296 223:261

End of report