Routing Table Report 08:00 +10GMT Wed 07 Sep, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 364764
Prefixes after maximum aggregation: 165382
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 183431
Total ASes present in the Internet Routing Table: 37155
Prefixes per ASN: 9.82
Origin-only ASes present in the Internet Routing Table: 32063
Origin ASes announcing only one prefix: 15424
Transit ASes present in the Internet Routing Table: 5092
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: 36
Max AS path prepend of ASN (22394) 33
Prefixes from unregistered ASNs in the Routing Table: 2562
Unregistered ASNs in the Routing Table: 766
Number of 32-bit ASNs allocated by the RIRs: 1704
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 3194
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 102
Number of addresses announced to Internet: 2489896448
Equivalent to 148 /8s, 104 /16s and 206 /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: 150758
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 88510
Total APNIC prefixes after maximum aggregation: 29339
APNIC Deaggregation factor: 3.02
Prefixes being announced from the APNIC address blocks: 85966
Unique aggregates announced from the APNIC address blocks: 38041
APNIC Region origin ASes present in the Internet Routing Table: 4502
APNIC Prefixes per ASN: 19.10
APNIC Region origin ASes announcing only one prefix: 1258
APNIC Region transit ASes present in the Internet Routing Table: 683
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: 625045504
Equivalent to 37 /8s, 65 /16s and 112 /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: 141681
Total ARIN prefixes after maximum aggregation: 72945
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 113899
Unique aggregates announced from the ARIN address blocks: 47239
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: 5619
ARIN Region transit ASes present in the Internet Routing Table: 1469
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: 804331520
Equivalent to 47 /8s, 241 /16s and 32 /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: 88519
Total RIPE prefixes after maximum aggregation: 49901
RIPE Deaggregation factor: 1.77
Prefixes being announced from the RIPE address blocks: 81596
Unique aggregates announced from the RIPE address blocks: 53711
RIPE Region origin ASes present in the Internet Routing Table: 15929
RIPE Prefixes per ASN: 5.12
RIPE Region origin ASes announcing only one prefix: 7943
RIPE Region transit ASes present in the Internet Routing Table: 2504
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: 488388864
Equivalent to 29 /8s, 28 /16s and 57 /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: 33828
Total LACNIC prefixes after maximum aggregation: 7627
LACNIC Deaggregation factor: 4.44
Prefixes being announced from the LACNIC address blocks: 33273
Unique aggregates announced from the LACNIC address blocks: 17605
LACNIC Region origin ASes present in the Internet Routing Table: 1504
LACNIC Prefixes per ASN: 22.12
LACNIC Region origin ASes announcing only one prefix: 452
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: 88134144
Equivalent to 5 /8s, 64 /16s and 210 /24s
Percentage of available LACNIC address space announced: 58.4
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: 8331
Total AfriNIC prefixes after maximum aggregation: 2068
AfriNIC Deaggregation factor: 4.03
Prefixes being announced from the AfriNIC address blocks: 6439
Unique aggregates announced from the AfriNIC address blocks: 2006
AfriNIC Region origin ASes present in the Internet Routing Table: 482
AfriNIC Prefixes per ASN: 13.36
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: 26807552
Equivalent to 1 /8s, 153 /16s and 13 /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 1942 11038 647 Korea Telecom (KIX)
17974 1668 516 31 PT Telekomunikasi Indonesia
7545 1573 301 81 TPG Internet Pty Ltd
4755 1536 374 166 TATA Communications formerly
24560 1177 336 193 Bharti Airtel Ltd., Telemedia
9829 1152 989 28 National Internet Backbone
9583 1073 79 503 Sify Limited
17488 1009 191 162 Hathway IP Over Cable Interne
7552 985 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 1624 1101 396 tw telecom holdings, inc.
7029 1620 1033 209 Windstream Communications Inc
20115 1586 1541 632 Charter Communications
22773 1449 2905 98 Cox Communications Inc.
19262 1393 4724 399 Verizon Online LLC
7018 1354 7085 887 AT&T Services, Inc.
2386 1225 515 881 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 543 107 178 BILISIM TELEKOM
9116 540 326 31 Goldenlines main autonomous s
6830 522 1811 321 UPC Broadband
20940 494 152 386 Akamai Technologies European
3292 471 2079 405 TDC Data Networks
12479 465 593 7 France Telecom Espana SA
8866 459 133 26 Bulgarian Telecommunication C
3320 429 8152 373 Deutsche Telekom AG
29049 423 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 1643 301 156 Types of queries are: POCs, o
28573 1290 1003 71 Types of queries are: POCs, o
8151 1269 2763 350 Uninet S.A. de C.V.
7303 1051 578 166 Telecom Argentina S.A.
14420 715 57 88 CORPORACION NACIONAL DE TELEC
22047 579 322 17 Types of queries are: POCs, o
6503 576 450 69 Axtel, S.A.B. de C.V.
27947 552 56 77 Telconet S.A
3816 536 232 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 808 147 41 LINKdotNET AS number
8452 647 445 11 TEDATA
15475 512 74 8 Nile Online
36992 303 415 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 194 28 63 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 3194 759 1708 32-bit ASN transition
4766 1942 11038 647 Korea Telecom (KIX)
18566 1910 364 235 Covad Communications Co.
1785 1826 680 122 PaeTec Communications, Inc.
17974 1668 516 31 PT Telekomunikasi Indonesia
10620 1643 301 156 Types of queries are: POCs, o
4323 1624 1101 396 tw telecom holdings, inc.
7029 1620 1033 209 Windstream Communications Inc
20115 1586 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 1668 1637 PT Telekomunikasi Indonesia
7545 1573 1492 TPG Internet Pty Ltd
10620 1643 1487 Types of queries are: POCs, o
23456 3194 1486 32-bit ASN transition
7029 1620 1411 Windstream Communications Inc
4755 1536 1370 TATA Communications formerly
22773 1449 1351 Cox Communications Inc.
4766 1942 1295 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 /14:797 /15:1409 /16:11923 /17:5927 /18:9957
/19:19761 /20:26700 /21:26787 /22:35628 /23:34216 /24:190305
/25:12 /26:20 /27:23 /28:156 /29:118 /30:60
/31:0 /32:130
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 1547 3194 32-bit ASN transition
10620 1538 1643 Types of queries are: POCs, o
7029 1304 1620 Windstream Communications Inc
11492 1108 1154 CABLE ONE, INC.
7011 1058 1183 Frontier Communications of Am
1785 1053 1826 PaeTec Communications, Inc.
22773 940 1449 Cox Communications Inc.
30036 919 947 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 8:345
12:1949 13:1 14:517 15:13 16:3 17:5
20:10 23:31 24:1674 27:925 31:524 32:59
33:3 34:2 36:4 38:732 40:107 41:2438
42:40 44:3 46:1084 47:3 49:226 50:408
52:13 54:2 55:3 56:2 57:34 58:820
59:491 60:374 61:1010 62:1085 63:1935 64:4000
65:2297 66:3920 67:1938 68:1105 69:3159 70:778
71:375 72:1855 74:2423 75:327 76:338 77:868
78:703 79:464 80:1122 81:842 82:500 83:495
84:683 85:1091 86:504 87:862 88:342 89:1541
90:231 91:4054 92:522 93:1138 94:1357 95:875
96:417 97:271 98:925 99:37 101:77 103:265
106:79 107:43 108:76 109:1020 110:634 111:741
112:304 113:414 114:551 115:683 116:932 117:662
118:845 119:1178 120:329 121:670 122:1596 123:1001
124:1289 125:1338 128:210 129:171 130:160 131:579
132:111 133:21 134:207 135:53 136:210 137:133
138:295 139:114 140:467 141:286 142:371 143:423
144:485 145:60 146:461 147:227 148:614 149:249
150:146 151:190 152:441 153:179 154:5 155:391
156:198 157:323 158:141 159:391 160:318 161:197
162:334 163:165 164:512 165:365 166:537 167:433
168:742 169:144 170:852 171:84 172:1 173:1656
174:619 175:385 176:155 177:250 178:1022 180:1002
181:28 182:595 183:225 184:348 185:1 186:1409
187:680 188:940 189:875 190:5117 192:5880 193:4990
194:3520 195:3049 196:1228 197:148 198:3533 199:4044
200:5376 201:1631 202:8229 203:8379 204:4173 205:2306
206:2583 207:2764 208:4010 209:3409 210:2613 211:1459
212:2104 213:1762 214:765 215:74 216:4833 217:1622
218:540 219:340 220:1185 221:499 222:303 223:256
End of report
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