Routing Table Report 08:00 +10GMT Wed 30 Nov, 2011

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

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

BGP routing table entries examined: 376714 Prefixes after maximum aggregation: 165301 Deaggregation factor: 2.28 Unique aggregates announced to Internet: 188022 Total ASes present in the Internet Routing Table: 37588 Prefixes per ASN: 10.02 Origin-only ASes present in the Internet Routing Table: 32397 Origin ASes announcing only one prefix: 15501 Transit ASes present in the Internet Routing Table: 5191 Transit-only ASes present in the Internet Routing Table: 125 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (36992) 22 Prefixes from unregistered ASNs in the Routing Table: 2525 Unregistered ASNs in the Routing Table: 997 Number of 32-bit ASNs allocated by the RIRs: 2009 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 3901 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 83 Number of addresses announced to Internet: 2511925760 Equivalent to 149 /8s, 184 /16s and 242 /24s Percentage of available address space announced: 67.8 Percentage of allocated address space announced: 67.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 91.6 Total number of prefixes smaller than registry allocations: 157425

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

Prefixes being announced by APNIC Region ASes: 90327 Total APNIC prefixes after maximum aggregation: 29903 APNIC Deaggregation factor: 3.02 Prefixes being announced from the APNIC address blocks: 87744 Unique aggregates announced from the APNIC address blocks: 38452 APNIC Region origin ASes present in the Internet Routing Table: 4546 APNIC Prefixes per ASN: 19.30 APNIC Region origin ASes announcing only one prefix: 1263 APNIC Region transit ASes present in the Internet Routing Table: 701 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: 630452224 Equivalent to 37 /8s, 147 /16s and 240 /24s Percentage of available APNIC address space announced: 80.0

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: 144830 Total ARIN prefixes after maximum aggregation: 74112 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 117346 Unique aggregates announced from the ARIN address blocks: 48631 ARIN Region origin ASes present in the Internet Routing Table: 14694 ARIN Prefixes per ASN: 7.99 ARIN Region origin ASes announcing only one prefix: 5624 ARIN Region transit ASes present in the Internet Routing Table: 1497 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: 803620352 Equivalent to 47 /8s, 230 /16s and 70 /24s Percentage of available ARIN address space announced: 63.9

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: 92987 Total RIPE prefixes after maximum aggregation: 51256 RIPE Deaggregation factor: 1.81 Prefixes being announced from the RIPE address blocks: 85207 Unique aggregates announced from the RIPE address blocks: 54581 RIPE Region origin ASes present in the Internet Routing Table: 16150 RIPE Prefixes per ASN: 5.28 RIPE Region origin ASes announcing only one prefix: 8014 RIPE Region transit ASes present in the Internet Routing Table: 2540 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 492814336 Equivalent to 29 /8s, 95 /16s and 192 /24s Percentage of available RIPE address space announced: 79.4

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 40960-45055, 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: 35863 Total LACNIC prefixes after maximum aggregation: 7872 LACNIC Deaggregation factor: 4.56 Prefixes being announced from the LACNIC address blocks: 35379 Unique aggregates announced from the LACNIC address blocks: 18666 LACNIC Region origin ASes present in the Internet Routing Table: 1533 LACNIC Prefixes per ASN: 23.08 LACNIC Region origin ASes announcing only one prefix: 443 LACNIC Region transit ASes present in the Internet Routing Table: 272 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 21 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0 Number of LACNIC addresses announced to Internet: 93825792 Equivalent to 5 /8s, 151 /16s and 171 /24s Percentage of available LACNIC address space announced: 62.1

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: 8119 Total AfriNIC prefixes after maximum aggregation: 2086 AfriNIC Deaggregation factor: 3.89 Prefixes being announced from the AfriNIC address blocks: 6187 Unique aggregates announced from the AfriNIC address blocks: 2072 AfriNIC Region origin ASes present in the Internet Routing Table: 498 AfriNIC Prefixes per ASN: 12.42 AfriNIC Region origin ASes announcing only one prefix: 157 AfriNIC Region transit ASes present in the Internet Routing Table: 108 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: 27761920 Equivalent to 1 /8s, 167 /16s and 157 /24s Percentage of available AfriNIC address space announced: 41.4

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 1951 11102 667 Korea Telecom (KIX) 7545 1622 303 85 TPG Internet Pty Ltd 17974 1597 503 38 PT Telekomunikasi Indonesia 4755 1495 381 156 TATA Communications formerly 9829 1166 989 28 National Internet Backbone 9583 1095 80 494 Sify Limited 7552 977 1062 11 Vietel Corporation 24560 955 343 186 Bharti Airtel Ltd., Telemedia 18101 954 120 150 Reliance Infocom Ltd Internet 4808 945 1978 276 CNCGROUP IP network China169

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 3479 3814 218 BellSouth.net Inc. 7029 2945 1042 212 Windstream Communications Inc 18566 2093 382 176 Covad Communications Co. 1785 1853 680 121 PaeTec Communications, Inc. 4323 1614 1094 390 tw telecom holdings, inc. 20115 1599 1546 624 Charter Communications 22773 1506 2909 104 Cox Communications Inc. 30036 1437 257 676 Mediacom Communications Corp 19262 1388 4683 401 Verizon Online LLC 7018 1322 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 1451 480 15 Corbina telecom 6830 644 1927 412 UPC Broadband 34984 612 114 193 BILISIM TELEKOM 20940 558 186 440 Akamai Technologies European 9116 544 326 32 Goldenlines main autonomous s 3320 511 8168 388 Deutsche Telekom AG 12479 488 598 10 France Telecom Espana SA 3292 480 2106 408 TDC Data Networks 8866 461 133 26 Bulgarian Telecommunication C 8551 434 367 39 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 1701 315 179 Types of queries are: POCs, o 28573 1502 1059 72 Types of queries are: POCs, o 8151 1313 2962 339 Uninet S.A. de C.V. 7303 1238 751 173 Telecom Argentina S.A. 27947 599 72 88 Telconet S.A 22047 582 322 17 Types of queries are: POCs, o 7738 553 1050 31 Telecomunicacoes da Bahia S.A 3816 547 237 87 Types of queries are: POCs, o 6503 542 434 69 Axtel, S.A.B. de C.V. 11172 528 101 96 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 8452 948 446 12 TEDATA 24863 779 146 33 LINKdotNET AS number 3741 281 939 230 The Internet Solution 15706 242 32 6 Sudatel Internet Exchange Aut 6713 235 519 14 Itissalat Al-MAGHRIB 29571 218 17 13 Ci Telecom Autonomous system 12258 196 28 61 Vodacom Internet Company 33776 196 12 14 Starcomms Nigeria Limited 24835 192 80 8 RAYA Telecom - Egypt 16637 155 664 86 MTN Network Solutions

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 3479 3814 218 BellSouth.net Inc. 7029 2945 1042 212 Windstream Communications Inc 18566 2093 382 176 Covad Communications Co. 4766 1951 11102 667 Korea Telecom (KIX) 1785 1853 680 121 PaeTec Communications, Inc. 10620 1701 315 179 Types of queries are: POCs, o 7545 1622 303 85 TPG Internet Pty Ltd 4323 1614 1094 390 tw telecom holdings, inc. 20115 1599 1546 624 Charter Communications 17974 1597 503 38 PT Telekomunikasi Indonesia

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 2945 2733 Windstream Communications Inc 18566 2093 1917 Covad Communications Co. 1785 1853 1732 PaeTec Communications, Inc. 17974 1597 1559 PT Telekomunikasi Indonesia 7545 1622 1537 TPG Internet Pty Ltd 10620 1701 1522 Types of queries are: POCs, o 8402 1451 1436 Corbina telecom 28573 1502 1430 Types of queries are: POCs, o 22773 1506 1402 Cox Communications Inc. 4755 1495 1339 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 128.0.0.0/21 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 37345 MEDALLION Communications 41.223.92.0/22 36936 >>UNKNOWN<< 50.118.128.0/17 18779 Guru.com 62.61.220.0/24 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 /14:806 /15:1430 /16:11998 /17:6092 /18:10103 /19:20129 /20:27652 /21:27840 /22:37732 /23:35296 /24:196265 /25:11 /26:21 /27:21 /28:153 /29:132 /30:63 /31:0 /32:128

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

ASN No of nets Total ann. Description 7029 2558 2945 Windstream Communications Inc 6389 2122 3479 BellSouth.net Inc. 18566 2043 2093 Covad Communications Co. 10620 1596 1701 Types of queries are: POCs, o 8402 1426 1451 Corbina telecom 30036 1397 1437 Mediacom Communications Corp 11492 1118 1155 CABLE ONE, INC. 1785 1058 1853 PaeTec Communications, Inc. 7011 1052 1169 Frontier Communications of Am 22773 966 1506 Cox Communications Inc.

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

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

1:429 2:442 4:15 5:1 6:3 8:357 12:1949 13:1 14:544 15:11 16:3 17:7 20:9 23:69 24:1689 27:1043 31:701 32:61 33:2 34:2 36:4 38:762 40:109 41:2707 42:65 44:3 46:1105 47:3 49:293 50:449 52:13 55:5 56:2 57:45 58:870 59:477 60:355 61:1064 62:916 63:1963 64:4048 65:2309 66:4345 67:1997 68:1173 69:3155 70:902 71:359 72:1813 74:2646 75:430 76:320 77:895 78:877 79:457 80:1132 81:844 82:528 83:525 84:470 85:1153 86:409 87:906 88:354 89:1589 90:246 91:4302 92:528 93:1412 94:1327 95:1074 96:389 97:284 98:767 99:37 101:124 103:507 106:7 107:99 108:86 109:1090 110:662 111:803 112:367 113:483 114:614 115:683 116:875 117:693 118:862 119:1223 120:347 121:649 122:1564 123:1025 124:1298 125:1305 128:249 129:176 130:170 131:628 132:146 133:21 134:217 135:54 136:210 137:143 138:285 139:121 140:462 141:248 142:362 143:396 144:493 145:66 146:470 147:222 148:619 149:269 150:157 151:191 152:447 153:171 154:6 155:395 156:205 157:326 158:157 159:425 160:332 161:205 162:361 163:165 164:512 165:387 166:541 167:448 168:819 169:144 170:825 171:87 172:4 173:1763 174:577 175:414 176:318 177:347 178:1124 180:1108 181:39 182:654 183:242 184:399 185:1 186:1425 187:783 188:947 189:1163 190:5183 192:5895 193:5091 194:3544 195:3115 196:1251 197:168 198:3566 199:4190 200:5433 201:1689 202:8265 203:8399 204:4244 205:2389 206:2580 207:2767 208:3999 209:3525 210:2664 211:1444 212:2001 213:1828 214:806 215:92 216:4911 217:1488 218:556 219:332 220:1213 221:504 222:297 223:279

End of report