Routing Table Report 08:00 +10GMT Mon 05 Sep, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 364160
Prefixes after maximum aggregation: 165239
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 183036
Total ASes present in the Internet Routing Table: 37143
Prefixes per ASN: 9.80
Origin-only ASes present in the Internet Routing Table: 32051
Origin ASes announcing only one prefix: 15422
Transit ASes present in the Internet Routing Table: 5092
Transit-only ASes present in the Internet Routing Table: 129
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 36
Max AS path prepend of ASN (22394) 33
Prefixes from unregistered ASNs in the Routing Table: 2518
Unregistered ASNs in the Routing Table: 759
Number of 32-bit ASNs allocated by the RIRs: 1703
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 3166
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 102
Number of addresses announced to Internet: 2488884992
Equivalent to 148 /8s, 89 /16s and 95 /24s
Percentage of available address space announced: 67.2
Percentage of allocated address space announced: 67.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.2
Total number of prefixes smaller than registry allocations: 150369
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 88386
Total APNIC prefixes after maximum aggregation: 29302
APNIC Deaggregation factor: 3.02
Prefixes being announced from the APNIC address blocks: 85795
Unique aggregates announced from the APNIC address blocks: 38015
APNIC Region origin ASes present in the Internet Routing Table: 4498
APNIC Prefixes per ASN: 19.07
APNIC Region origin ASes announcing only one prefix: 1259
APNIC Region transit ASes present in the Internet Routing Table: 682
Average APNIC Region AS path length visible: 3.9
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: 624936960
Equivalent to 37 /8s, 63 /16s and 200 /24s
Percentage of available APNIC address space announced: 79.3
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: 141602
Total ARIN prefixes after maximum aggregation: 72889
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 113845
Unique aggregates announced from the ARIN address blocks: 47219
ARIN Region origin ASes present in the Internet Routing Table: 14565
ARIN Prefixes per ASN: 7.82
ARIN Region origin ASes announcing only one prefix: 5620
ARIN Region transit ASes present in the Internet Routing Table: 1470
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 36
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 804315392
Equivalent to 47 /8s, 240 /16s and 225 /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: 88412
Total RIPE prefixes after maximum aggregation: 49895
RIPE Deaggregation factor: 1.77
Prefixes being announced from the RIPE address blocks: 81503
Unique aggregates announced from the RIPE address blocks: 53649
RIPE Region origin ASes present in the Internet Routing Table: 15922
RIPE Prefixes per ASN: 5.12
RIPE Region origin ASes announcing only one prefix: 7940
RIPE Region transit ASes present in the Internet Routing Table: 2505
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 488393984
Equivalent to 29 /8s, 28 /16s and 77 /24s
Percentage of available RIPE address space announced: 78.7
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: 33590
Total LACNIC prefixes after maximum aggregation: 7600
LACNIC Deaggregation factor: 4.42
Prefixes being announced from the LACNIC address blocks: 33028
Unique aggregates announced from the LACNIC address blocks: 17354
LACNIC Region origin ASes present in the Internet Routing Table: 1499
LACNIC Prefixes per ASN: 22.03
LACNIC Region origin ASes announcing only one prefix: 451
LACNIC Region transit ASes present in the Internet Routing Table: 258
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: 87629824
Equivalent to 5 /8s, 57 /16s and 32 /24s
Percentage of available LACNIC address space announced: 58.0
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: 8347
Total AfriNIC prefixes after maximum aggregation: 2061
AfriNIC Deaggregation factor: 4.05
Prefixes being announced from the AfriNIC address blocks: 6452
Unique aggregates announced from the AfriNIC address blocks: 2006
AfriNIC Region origin ASes present in the Internet Routing Table: 482
AfriNIC Prefixes per ASN: 13.39
AfriNIC Region origin ASes announcing only one prefix: 152
AfriNIC Region transit ASes present in the Internet Routing Table: 103
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: 26802944
Equivalent to 1 /8s, 152 /16s and 251 /24s
Percentage of available AfriNIC address space announced: 39.9
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 1939 11038 647 Korea Telecom (KIX)
17974 1650 516 31 PT Telekomunikasi Indonesia
7545 1573 301 82 TPG Internet Pty Ltd
4755 1528 374 165 TATA Communications formerly
24560 1191 337 187 Bharti Airtel Ltd., Telemedia
9829 1151 989 28 National Internet Backbone
9583 1073 79 503 Sify Limited
17488 1033 195 155 Hathway IP Over Cable Interne
7552 991 1062 11 Vietel Corporation
4808 952 1995 268 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 3563 3817 227 BellSouth.net Inc.
18566 1910 364 235 Covad Communications Co.
1785 1826 680 122 PaeTec Communications, Inc.
4323 1625 1101 397 tw telecom holdings, inc.
7029 1616 1033 208 Windstream Communications Inc
20115 1590 1541 632 Charter Communications
22773 1450 2905 98 Cox Communications Inc.
19262 1392 4716 399 Verizon Online LLC
7018 1353 7085 888 AT&T Services, Inc.
2386 1224 515 880 AT&T Data Communications Serv
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
34984 541 107 182 BILISIM TELEKOM
9116 540 326 31 Goldenlines main autonomous s
6830 522 1811 321 UPC Broadband
20940 492 150 385 Akamai Technologies European
3292 471 2079 405 TDC Data Networks
12479 466 593 7 France Telecom Espana SA
8866 459 133 26 Bulgarian Telecommunication C
3320 429 8152 373 Deutsche Telekom AG
29049 424 31 55 AzerSat LLC.
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 1628 298 154 Types of queries are: POCs, o
28573 1271 1003 71 Types of queries are: POCs, o
8151 1265 2757 350 Uninet S.A. de C.V.
7303 1049 578 164 Telecom Argentina S.A.
14420 715 57 88 CORPORACION NACIONAL DE TELEC
6503 579 450 69 Axtel, S.A.B. de C.V.
22047 579 322 17 Types of queries are: POCs, o
27947 551 56 77 Telconet S.A
3816 535 232 98 Types of queries are: POCs, o
7738 515 986 31 Telecomunicacoes da Bahia 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
24863 806 147 41 LINKdotNET AS number
8452 643 445 11 TEDATA
15475 512 74 8 Nile Online
36992 302 415 14 Etisalat MISR
3741 266 937 227 The Internet Solution
6713 242 519 14 Itissalat Al-MAGHRIB
15706 219 32 6 Sudatel Internet Exchange Aut
33776 207 13 14 Starcomms Nigeria Limited
12258 195 28 62 Vodacom Internet Company
24835 181 70 12 RAYA Telecom - Egypt
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 3563 3817 227 BellSouth.net Inc.
23456 3166 756 1703 32-bit ASN transition
4766 1939 11038 647 Korea Telecom (KIX)
18566 1910 364 235 Covad Communications Co.
1785 1826 680 122 PaeTec Communications, Inc.
17974 1650 516 31 PT Telekomunikasi Indonesia
10620 1628 298 154 Types of queries are: POCs, o
4323 1625 1101 397 tw telecom holdings, inc.
7029 1616 1033 208 Windstream Communications Inc
20115 1590 1541 632 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
1785 1826 1704 PaeTec Communications, Inc.
18566 1910 1675 Covad Communications Co.
17974 1650 1619 PT Telekomunikasi Indonesia
7545 1573 1491 TPG Internet Pty Ltd
10620 1628 1474 Types of queries are: POCs, o
23456 3166 1463 32-bit ASN transition
7029 1616 1408 Windstream Communications Inc
4755 1528 1363 TATA Communications formerly
22773 1450 1352 Cox Communications Inc.
4766 1939 1292 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<<
46.18.104.0/21 23456 32-bit ASN transition
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 /12:234
/13:461 /14:795 /15:1409 /16:11912 /17:5924 /18:9938
/19:19746 /20:26691 /21:26720 /22:35542 /23:34178 /24:189995
/25:12 /26:18 /27:21 /28:148 /29:108 /30:54
/31:0 /32:114
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2199 3563 BellSouth.net Inc.
18566 1867 1910 Covad Communications Co.
23456 1538 3166 32-bit ASN transition
10620 1523 1628 Types of queries are: POCs, o
7029 1299 1616 Windstream Communications Inc
11492 1107 1153 CABLE ONE, INC.
7011 1058 1183 Frontier Communications of Am
1785 1053 1826 PaeTec Communications, Inc.
22773 941 1450 Cox Communications Inc.
30036 929 957 Mediacom Communications Corp
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:364 2:51 4:15 5:1 6:3 8:346
12:1947 13:1 14:514 15:13 16:3 17:5
20:10 23:31 24:1676 27:925 31:520 32:59
33:3 34:2 36:4 38:731 40:107 41:2441
42:40 44:3 46:1070 47:3 49:226 50:413
52:13 54:2 55:3 56:2 57:34 58:821
59:488 60:374 61:1010 62:1093 63:1934 64:3996
65:2303 66:3920 67:1938 68:1103 69:3129 70:778
71:375 72:1852 74:2424 75:327 76:337 77:865
78:705 79:463 80:1117 81:840 82:498 83:498
84:685 85:1086 86:504 87:862 88:340 89:1533
90:231 91:4063 92:525 93:1139 94:1360 95:879
96:417 97:271 98:924 99:37 101:77 103:248
106:79 107:42 108:76 109:1010 110:632 111:743
112:301 113:406 114:553 115:685 116:961 117:662
118:845 119:1162 120:331 121:669 122:1604 123:994
124:1284 125:1338 128:210 129:171 130:160 131:578
132:110 133:21 134:206 135:53 136:211 137:133
138:294 139:114 140:469 141:280 142:368 143:416
144:483 145:60 146:460 147:222 148:612 149:249
150:146 151:190 152:438 153:179 154:5 155:396
156:198 157:323 158:141 159:391 160:318 161:198
162:332 163:157 164:512 165:365 166:537 167:433
168:742 169:144 170:850 171:84 172:1 173:1656
174:617 175:387 176:155 177:244 178:1018 180:1003
181:25 182:598 183:238 184:352 185:1 186:1387
187:681 188:941 189:863 190:5087 192:5881 193:4997
194:3519 195:3044 196:1227 197:147 198:3528 199:4041
200:5436 201:1486 202:8201 203:8385 204:4172 205:2302
206:2589 207:2764 208:4015 209:3404 210:2613 211:1457
212:2105 213:1751 214:751 215:76 216:4830 217:1614
218:538 219:339 220:1185 221:499 222:303 223:256
End of report
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