Routing Table Report 00:00 GMT Tue 29 Nov, 2011

NB: RouteViews data includes iBGP information from some ASNs. Treat the information provided below appropriately.

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

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

BGP routing table entries examined: 386444 Prefixes after maximum aggregation: 168543 Deaggregation factor: 2.29 Unique aggregates announced to Internet: 188317 Total ASes present in the Internet Routing Table: 39424 Prefixes per ASN: 9.80 Origin-only ASes present in the Internet Routing Table: 32477 Origin ASes announcing only one prefix: 15496 Transit ASes present in the Internet Routing Table: 5278 Transit-only ASes present in the Internet Routing Table: 141 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 29 Max AS path prepend of ASN (56677) 25 Prefixes from unregistered ASNs in the Routing Table: 5791 Unregistered ASNs in the Routing Table: 944 Number of 32-bit ASNs allocated by the RIRs: 2008 Number of 32-bit ASNs visible in the Routing Table: 1669 Prefixes from 32-bit ASNs in the Routing Table: 3940 Special use prefixes present in the Routing Table: 86 Prefixes being announced from unallocated address space: 83 Number of addresses announced to Internet: 2494670372 Equivalent to 148 /8s, 177 /16s and 166 /24s Percentage of available address space announced: 67.3 Percentage of allocated address space announced: 67.3 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: 161851

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

Prefixes being announced by APNIC Region ASes: 93347 Total APNIC prefixes after maximum aggregation: 30149 APNIC Deaggregation factor: 3.10 Prefixes being announced from the APNIC address blocks: 89842 Unique aggregates announced from the APNIC address blocks: 38564 APNIC Region origin ASes present in the Internet Routing Table: 4584 APNIC Prefixes per ASN: 19.60 APNIC Region origin ASes announcing only one prefix: 1266 APNIC Region transit ASes present in the Internet Routing Table: 726 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 112 Number of APNIC addresses announced to Internet: 630752768 Equivalent to 37 /8s, 152 /16s and 134 /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: 148727 Total ARIN prefixes after maximum aggregation: 76764 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 120721 Unique aggregates announced from the ARIN address blocks: 48639 ARIN Region origin ASes present in the Internet Routing Table: 14772 ARIN Prefixes per ASN: 8.17 ARIN Region origin ASes announcing only one prefix: 5628 ARIN Region transit ASes present in the Internet Routing Table: 1534 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 12 Number of ARIN addresses announced to Internet: 803642120 Equivalent to 47 /8s, 230 /16s and 155 /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: 94732 Total RIPE prefixes after maximum aggregation: 51503 RIPE Deaggregation factor: 1.84 Prefixes being announced from the RIPE address blocks: 86090 Unique aggregates announced from the RIPE address blocks: 54567 RIPE Region origin ASes present in the Internet Routing Table: 16166 RIPE Prefixes per ASN: 5.33 RIPE Region origin ASes announcing only one prefix: 8004 RIPE Region transit ASes present in the Internet Routing Table: 2530 Average RIPE Region AS path length visible: 4.2 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1165 Number of RIPE addresses announced to Internet: 492921804 Equivalent to 29 /8s, 97 /16s and 99 /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: 37157 Total LACNIC prefixes after maximum aggregation: 8010 LACNIC Deaggregation factor: 4.64 Prefixes being announced from the LACNIC address blocks: 36488 Unique aggregates announced from the LACNIC address blocks: 18749 LACNIC Region origin ASes present in the Internet Routing Table: 1549 LACNIC Prefixes per ASN: 23.56 LACNIC Region origin ASes announcing only one prefix: 442 LACNIC Region transit ASes present in the Internet Routing Table: 287 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 376 Number of LACNIC addresses announced to Internet: 93879560 Equivalent to 5 /8s, 152 /16s and 125 /24s Percentage of available LACNIC address space announced: 62.2

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: 8336 Total AfriNIC prefixes after maximum aggregation: 2045 AfriNIC Deaggregation factor: 4.08 Prefixes being announced from the AfriNIC address blocks: 6394 Unique aggregates announced from the AfriNIC address blocks: 2006 AfriNIC Region origin ASes present in the Internet Routing Table: 501 AfriNIC Prefixes per ASN: 12.76 AfriNIC Region origin ASes announcing only one prefix: 156 AfriNIC Region transit ASes present in the Internet Routing Table: 114 Average AfriNIC Region AS path length visible: 4.2 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4 Number of AfriNIC addresses announced to Internet: 27834624 Equivalent to 1 /8s, 168 /16s and 185 /24s Percentage of available AfriNIC address space announced: 41.5

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) 17974 1637 503 38 PT TELEKOMUNIKASI INDONESIA 7545 1622 303 86 TPG Internet Pty Ltd 4755 1510 381 157 Videsh Sanchar Nigam Ltd. Aut 7552 1388 1064 7 Vietel Corporation 9829 1166 989 28 BSNL National Internet Backbo 9583 1088 80 496 Sify Limited 24560 966 343 218 Bharti Airtel Ltd. 18101 955 120 150 Reliance Infocom Ltd Internet 17488 943 172 212 Hathway IP Over Cable Interne

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

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

ASN No of nets /20 equiv MaxAgg Description 6389 3482 3814 218 bellsouth.net, inc. 7029 2913 1020 200 Windstream Communications Inc 18566 2093 383 177 Covad Communications 1785 1851 680 122 AppliedTheory Corporation 4323 1611 1078 387 Time Warner Telecom 20115 1599 1546 624 Charter Communications 22773 1502 2909 104 Cox Communications, Inc. 30036 1439 258 678 Mediacom Communications Corp 19262 1388 4683 401 Verizon Global Networks 7018 1317 7062 863 AT&T WorldNet Services

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

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

ASN No of nets /20 equiv MaxAgg Description 8402 1588 480 15 Corbina telecom 286 1089 807 200 KPNQwest Backbone AS 6830 652 1927 412 UPC Distribution Services 34984 613 115 194 Tellcom Iletisim Hizmetleri 20940 564 188 443 Akamai Technologies European 9116 541 326 31 Goldenlines main autonomous s 3292 532 2106 408 TDC Tele Danmark 3320 512 8168 389 Deutsche Telekom AG 12479 510 609 26 Uni2 Autonomous System 8866 462 133 26 Bulgarian Telecommunication C

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

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

ASN No of nets /20 equiv MaxAgg Description 10620 1700 315 179 TVCABLE BOGOTA 28573 1510 1045 71 Types of queries are: POCs, o 8151 1491 2962 340 Uninet S.A. de C.V. 7303 1236 751 173 Telecom Argentina Stet-France 27947 623 72 88 Telconet S.A 22047 581 322 17 Types of queries are: POCs, o 6503 563 434 70 AVANTEL, S.A. 7738 553 1050 31 Telecomunicacoes da Bahia S.A 3816 546 236 88 COLOMBIA TELECOMUNICACIONES S 10481 546 429 25 Prima S.A.

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

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

ASN No of nets /20 equiv MaxAgg Description 8452 930 446 12 TEDATA 24863 782 146 36 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 33776 205 11 10 Starcomms Nigeria Limited 12258 196 28 61 YEBO-AS 24835 192 80 8 RAYA Telecom - Egypt 36923 157 20 4 Swift Networks Limited

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

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

ASN No of nets /20 equiv MaxAgg Description 6389 3482 3814 218 bellsouth.net, inc. 7029 2913 1020 200 Windstream Communications Inc 18566 2093 383 177 Covad Communications 4766 1951 11102 667 Korea Telecom (KIX) 1785 1851 680 122 AppliedTheory Corporation 10620 1700 315 179 TVCABLE BOGOTA 17974 1637 503 38 PT TELEKOMUNIKASI INDONESIA 7545 1622 303 86 TPG Internet Pty Ltd 4323 1611 1078 387 Time Warner Telecom 20115 1599 1546 624 Charter Communications

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

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

ASN No of nets Net Savings Description 7029 2913 2713 Windstream Communications Inc 18566 2093 1916 Covad Communications 1785 1851 1729 AppliedTheory Corporation 17974 1637 1599 PT TELEKOMUNIKASI INDONESIA 8402 1588 1573 Corbina telecom 7545 1622 1536 TPG Internet Pty Ltd 10620 1700 1521 TVCABLE BOGOTA 28573 1510 1439 Types of queries are: POCs, o 22773 1502 1398 Cox Communications, Inc. 7552 1388 1381 Vietel Corporation

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

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

Bad AS Designation Network Transit AS Description 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic 13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic 23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies, 16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic 32873 UNALLOCATED 12.46.100.0/23 7018 AT&T WorldNet Servic

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

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

Prefix Origin AS Description 10.29.244.56/29 286 KPNQwest Backbone AS 10.29.245.1/32 286 KPNQwest Backbone AS 10.29.245.2/32 286 KPNQwest Backbone AS 10.29.245.15/32 286 KPNQwest Backbone AS 10.29.245.19/32 286 KPNQwest Backbone AS 10.29.245.20/32 286 KPNQwest Backbone AS 10.29.245.21/32 286 KPNQwest Backbone AS 10.29.245.22/32 286 KPNQwest Backbone AS 10.29.245.25/32 286 KPNQwest Backbone AS 10.29.245.26/32 286 KPNQwest Backbone AS

Complete listing at http://thyme.rand.apnic.net/rviews/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<< 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.rand.apnic.net/rviews/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 /12:236 /13:465 /14:813 /15:1466 /16:12179 /17:6353 /18:10438 /19:20571 /20:28892 /21:28291 /22:38424 /23:36094 /24:200355 /25:69 /26:84 /27:112 /28:288 /29:111 /30:523 /31:53 /32:487

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

ASN No of nets Total ann. Description 7029 2541 2913 Windstream Communications Inc 6389 2125 3482 bellsouth.net, inc. 18566 2042 2093 Covad Communications 10620 1595 1700 TVCABLE BOGOTA 8402 1564 1588 Corbina telecom 30036 1399 1439 Mediacom Communications Corp 11492 1118 1155 Cable One 1785 1058 1851 AppliedTheory Corporation 7011 1050 1167 Citizens Utilities 22773 962 1502 Cox Communications, Inc.

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

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

1:432 2:490 4:19 5:1 6:3 8:359 12:1954 13:1 14:554 15:11 16:3 17:7 20:9 23:68 24:1701 27:1042 31:694 32:121 33:2 34:2 36:4 38:768 39:1 40:109 41:2883 42:64 43:1 44:3 46:1107 47:3 49:298 50:451 52:13 55:6 56:2 57:59 58:931 59:482 60:360 61:1175 62:924 63:1983 64:4094 65:2310 66:4369 67:2029 68:1357 69:3262 70:953 71:359 72:1840 73:1 74:2702 75:443 76:332 77:899 78:893 79:465 80:1140 81:849 82:538 83:526 84:483 85:1161 86:410 87:912 88:356 89:1605 90:246 91:4302 92:529 93:1426 94:1331 95:1105 96:399 97:285 98:759 99:37 101:247 103:513 106:7 107:99 108:89 109:1102 110:686 111:811 112:364 113:505 114:631 115:706 116:926 117:722 118:872 119:1283 120:353 121:688 122:1573 123:1032 124:1363 125:1351 128:303 129:187 130:178 131:634 132:155 133:21 134:226 135:54 136:206 137:145 138:285 139:133 140:491 141:250 142:381 143:404 144:498 145:66 146:477 147:231 148:687 149:275 150:163 151:191 152:448 153:171 154:7 155:396 156:208 157:362 158:157 159:499 160:333 161:215 162:365 163:175 164:517 165:404 166:540 167:449 168:826 169:146 170:826 171:87 172:4 173:1773 174:568 175:436 176:332 177:402 178:1139 180:1187 181:39 182:669 183:248 184:394 185:1 186:1472 187:782 188:943 189:1163 190:5220 192:5967 193:5109 194:3585 195:3139 196:1283 197:169 198:3632 199:4243 200:5533 201:1701 202:8564 203:8534 204:4321 205:2421 206:2687 207:2848 208:4023 209:3585 210:2761 211:1481 212:2031 213:1815 214:805 215:96 216:4953 217:1487 218:577 219:340 220:1259 221:525 222:328 223:279

End of report