Routing Table Report 08:00 +10GMT Sat 09 Jul, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 357467
Prefixes after maximum aggregation: 162915
Deaggregation factor: 2.19
Unique aggregates announced to Internet: 180020
Total ASes present in the Internet Routing Table: 36728
Prefixes per ASN: 9.73
Origin-only ASes present in the Internet Routing Table: 31671
Origin ASes announcing only one prefix: 15260
Transit ASes present in the Internet Routing Table: 5057
Transit-only ASes present in the Internet Routing Table: 117
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 30
Max AS path prepend of ASN (22394) 27
Prefixes from unregistered ASNs in the Routing Table: 2308
Unregistered ASNs in the Routing Table: 597
Number of 32-bit ASNs allocated by the RIRs: 1533
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 2864
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 119
Number of addresses announced to Internet: 2492610560
Equivalent to 148 /8s, 146 /16s and 56 /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: 91.0
Total number of prefixes smaller than registry allocations: 147565
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 85750
Total APNIC prefixes after maximum aggregation: 28922
APNIC Deaggregation factor: 2.96
Prefixes being announced from the APNIC address blocks: 83449
Unique aggregates announced from the APNIC address blocks: 37135
APNIC Region origin ASes present in the Internet Routing Table: 4451
APNIC Prefixes per ASN: 18.75
APNIC Region origin ASes announcing only one prefix: 1261
APNIC Region transit ASes present in the Internet Routing Table: 677
Average APNIC Region AS path length visible: 4.1
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: 619877376
Equivalent to 36 /8s, 242 /16s and 148 /24s
Percentage of available APNIC address space announced: 78.6
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, 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: 140196
Total ARIN prefixes after maximum aggregation: 72253
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 112454
Unique aggregates announced from the ARIN address blocks: 46658
ARIN Region origin ASes present in the Internet Routing Table: 14386
ARIN Prefixes per ASN: 7.82
ARIN Region origin ASes announcing only one prefix: 5518
ARIN Region transit ASes present in the Internet Routing Table: 1458
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 30
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 802896640
Equivalent to 47 /8s, 219 /16s and 59 /24s
Percentage of available ARIN address space announced: 63.8
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: 86933
Total RIPE prefixes after maximum aggregation: 49089
RIPE Deaggregation factor: 1.77
Prefixes being announced from the RIPE address blocks: 80304
Unique aggregates announced from the RIPE address blocks: 52838
RIPE Region origin ASes present in the Internet Routing Table: 15788
RIPE Prefixes per ASN: 5.09
RIPE Region origin ASes announcing only one prefix: 7885
RIPE Region transit ASes present in the Internet Routing Table: 2484
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 25
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 478911744
Equivalent to 28 /8s, 139 /16s and 157 /24s
Percentage of available RIPE address space announced: 77.1
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: 32631
Total LACNIC prefixes after maximum aggregation: 7456
LACNIC Deaggregation factor: 4.38
Prefixes being announced from the LACNIC address blocks: 32148
Unique aggregates announced from the LACNIC address blocks: 16935
LACNIC Region origin ASes present in the Internet Routing Table: 1464
LACNIC Prefixes per ASN: 21.96
LACNIC Region origin ASes announcing only one prefix: 448
LACNIC Region transit ASes present in the Internet Routing Table: 257
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: 85871872
Equivalent to 5 /8s, 30 /16s and 77 /24s
Percentage of available LACNIC address space announced: 56.9
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: 8355
Total AfriNIC prefixes after maximum aggregation: 2020
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 6497
Unique aggregates announced from the AfriNIC address blocks: 2002
AfriNIC Region origin ASes present in the Internet Routing Table: 471
AfriNIC Prefixes per ASN: 13.79
AfriNIC Region origin ASes announcing only one prefix: 148
AfriNIC Region transit ASes present in the Internet Routing Table: 103
Average AfriNIC Region AS path length visible: 3.5
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: 24349952
Equivalent to 1 /8s, 115 /16s and 141 /24s
Percentage of available AfriNIC address space announced: 36.3
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 1875 11035 629 Korea Telecom (KIX)
17974 1551 461 41 PT Telekomunikasi Indonesia
7545 1546 301 84 TPG Internet Pty Ltd
4755 1493 375 169 TATA Communications formerly
24560 1154 336 187 Bharti Airtel Ltd., Telemedia
9829 1101 922 46 National Internet Backbone
9583 1059 78 505 Sify Limited
17488 962 186 105 Hathway IP Over Cable Interne
4808 948 2007 276 CNCGROUP IP network China169
18101 933 116 140 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 3608 3819 245 BellSouth.net Inc.
18566 1912 365 240 Covad Communications Co.
1785 1807 681 122 PaeTec Communications, Inc.
4323 1656 1098 401 tw telecom holdings, inc.
20115 1593 1532 632 Charter Communications
19262 1429 4778 392 Verizon Online LLC
7029 1385 1031 208 Windstream Communications Inc
7018 1381 7102 906 AT&T Services, Inc.
22773 1349 2897 88 Cox Communications Inc.
6478 1346 251 618 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
9116 540 326 31 Goldenlines main autonomous s
34984 536 106 184 BILISIM TELEKOM
6830 511 1780 317 UPC Broadband
3292 466 2076 401 TDC Data Networks
20940 460 132 355 Akamai Technologies European
12479 454 593 7 France Telecom Espana SA
8866 447 133 25 Bulgarian Telecommunication C
29049 441 33 45 AzerSat LLC.
3320 422 8151 368 Deutsche Telekom AG
8551 405 355 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 1543 282 158 Types of queries are: POCs, o
28573 1258 995 78 Types of queries are: POCs, o
8151 1252 2728 349 Uninet S.A. de C.V.
7303 980 511 166 Telecom Argentina S.A.
6503 735 354 74 Axtel, S.A.B. de C.V.
14420 689 55 83 CORPORACION NACIONAL DE TELEC
22047 576 322 17 Types of queries are: POCs, o
3816 533 230 95 Types of queries are: POCs, o
7738 516 986 31 Telecomunicacoes da Bahia S.A
27947 498 54 48 Telconet 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
8452 795 445 11 TEDATA
24863 787 147 35 LINKdotNET AS number
15475 514 74 8 Nile Online
36992 315 415 14 Etisalat MISR
3741 260 937 222 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
33776 227 13 5 Starcomms Nigeria Limited
24835 211 78 10 RAYA Telecom - Egypt
29571 158 17 11 Ci Telecom Autonomous system
16637 149 441 87 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 3608 3819 245 BellSouth.net Inc.
23456 2864 700 1538 32-bit ASN transition
18566 1912 365 240 Covad Communications Co.
4766 1875 11035 629 Korea Telecom (KIX)
1785 1807 681 122 PaeTec Communications, Inc.
4323 1656 1098 401 tw telecom holdings, inc.
20115 1593 1532 632 Charter Communications
17974 1551 461 41 PT Telekomunikasi Indonesia
7545 1546 301 84 TPG Internet Pty Ltd
10620 1543 282 158 Types of queries are: POCs, o
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
1785 1807 1685 PaeTec Communications, Inc.
18566 1912 1672 Covad Communications Co.
17974 1551 1510 PT Telekomunikasi Indonesia
7545 1546 1462 TPG Internet Pty Ltd
10620 1543 1385 Types of queries are: POCs, o
23456 2864 1326 32-bit ASN transition
4755 1493 1324 TATA Communications formerly
22773 1349 1261 Cox Communications Inc.
4323 1656 1255 tw telecom holdings, inc.
4766 1875 1246 Korea Telecom (KIX)
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.
26973 UNALLOCATED 12.39.152.0/24 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
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 65535 Internet Assigned Numbers Aut
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 /8:22 /9:12 /10:28 /11:81 /12:232
/13:468 /14:803 /15:1401 /16:11959 /17:5864 /18:9746
/19:19555 /20:25895 /21:26147 /22:34502 /23:33216 /24:187023
/25:13 /26:19 /27:25 /28:158 /29:108 /30:61
/31:0 /32:129
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2219 3608 BellSouth.net Inc.
18566 1868 1912 Covad Communications Co.
10620 1438 1543 Types of queries are: POCs, o
23456 1406 2864 32-bit ASN transition
6478 1316 1346 AT&T Services, Inc.
11492 1093 1139 CABLE ONE, INC.
7029 1065 1385 Windstream Communications Inc
7011 1054 1156 Frontier Communications of Am
1785 1053 1807 PaeTec Communications, Inc.
22773 863 1349 Cox Communications Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:322 2:44 4:16 5:1 6:3 8:337
12:1974 13:1 14:473 15:15 16:3 17:5
20:10 23:13 24:1673 27:812 31:488 32:59
33:4 34:2 36:4 38:740 40:103 41:2562
42:32 44:3 46:1034 47:3 49:198 50:442
52:13 54:2 55:4 56:2 57:34 58:814
59:475 60:384 61:1017 62:1036 63:1929 64:3918
65:2291 66:3858 67:1899 68:1084 69:3036 70:753
71:389 72:1885 74:2385 75:315 76:340 77:887
78:712 79:470 80:1114 81:840 82:503 83:459
84:691 85:1076 86:553 87:761 88:336 89:1528
90:224 91:3950 92:524 93:1053 94:1335 95:857
96:441 97:256 98:891 99:37 101:72 103:115
106:10 107:21 108:70 109:1026 110:611 111:705
112:297 113:394 114:534 115:667 116:942 117:664
118:812 119:1143 120:311 121:652 122:1579 123:957
124:1268 125:1225 128:208 129:166 130:162 131:574
132:104 133:21 134:201 135:48 136:212 137:133
138:299 139:114 140:458 141:241 142:387 143:413
144:476 145:54 146:436 147:213 148:589 149:247
150:156 151:189 152:329 153:182 154:3 155:398
156:195 157:325 158:138 159:383 160:305 161:192
162:306 163:155 164:503 165:355 166:530 167:431
168:734 169:153 170:842 171:78 172:1 173:1643
174:610 175:365 176:142 177:167 178:986 180:864
181:23 182:476 183:204 184:342 185:1 186:1273
187:703 188:878 189:937 190:4935 192:5842 193:4970
194:3512 195:3032 196:1243 197:41 198:3517 199:3919
200:5458 201:1484 202:8194 203:8341 204:4146 205:2308
206:2594 207:2740 208:3952 209:3420 210:2586 211:1456
212:2107 213:1744 214:765 215:70 216:4910 217:1639
218:527 219:355 220:1184 221:476 222:308 223:183
End of report
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