Routing Table Report 08:00 +10GMT Fri 09 Dec, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 378459
Prefixes after maximum aggregation: 165687
Deaggregation factor: 2.28
Unique aggregates announced to Internet: 188604
Total ASes present in the Internet Routing Table: 37653
Prefixes per ASN: 10.05
Origin-only ASes present in the Internet Routing Table: 32432
Origin ASes announcing only one prefix: 15502
Transit ASes present in the Internet Routing Table: 5221
Transit-only ASes present in the Internet Routing Table: 133
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: 2595
Unregistered ASNs in the Routing Table: 1032
Number of 32-bit ASNs allocated by the RIRs: 2057
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 4065
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 83
Number of addresses announced to Internet: 2516451840
Equivalent to 149 /8s, 254 /16s and 2 /24s
Percentage of available address space announced: 67.9
Percentage of allocated address space announced: 67.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.7
Total number of prefixes smaller than registry allocations: 157958
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 90490
Total APNIC prefixes after maximum aggregation: 29920
APNIC Deaggregation factor: 3.02
Prefixes being announced from the APNIC address blocks: 87917
Unique aggregates announced from the APNIC address blocks: 38617
APNIC Region origin ASes present in the Internet Routing Table: 4549
APNIC Prefixes per ASN: 19.33
APNIC Region origin ASes announcing only one prefix: 1261
APNIC Region transit ASes present in the Internet Routing Table: 706
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: 630831104
Equivalent to 37 /8s, 153 /16s and 184 /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: 145059
Total ARIN prefixes after maximum aggregation: 74337
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 117423
Unique aggregates announced from the ARIN address blocks: 48595
ARIN Region origin ASes present in the Internet Routing Table: 14721
ARIN Prefixes per ASN: 7.98
ARIN Region origin ASes announcing only one prefix: 5640
ARIN Region transit ASes present in the Internet Routing Table: 1504
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: 803346432
Equivalent to 47 /8s, 226 /16s and 24 /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: 93498
Total RIPE prefixes after maximum aggregation: 51419
RIPE Deaggregation factor: 1.82
Prefixes being announced from the RIPE address blocks: 85857
Unique aggregates announced from the RIPE address blocks: 54795
RIPE Region origin ASes present in the Internet Routing Table: 16160
RIPE Prefixes per ASN: 5.31
RIPE Region origin ASes announcing only one prefix: 8000
RIPE Region transit ASes present in the Internet Routing Table: 2549
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 493570304
Equivalent to 29 /8s, 107 /16s and 73 /24s
Percentage of available RIPE address space announced: 79.5
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: 36263
Total LACNIC prefixes after maximum aggregation: 7869
LACNIC Deaggregation factor: 4.61
Prefixes being announced from the LACNIC address blocks: 35876
Unique aggregates announced from the LACNIC address blocks: 18851
LACNIC Region origin ASes present in the Internet Routing Table: 1543
LACNIC Prefixes per ASN: 23.25
LACNIC Region origin ASes announcing only one prefix: 444
LACNIC Region transit ASes present in the Internet Routing Table: 274
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 94632704
Equivalent to 5 /8s, 163 /16s and 251 /24s
Percentage of available LACNIC address space announced: 62.7
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: 8382
Total AfriNIC prefixes after maximum aggregation: 2068
AfriNIC Deaggregation factor: 4.05
Prefixes being announced from the AfriNIC address blocks: 6454
Unique aggregates announced from the AfriNIC address blocks: 2058
AfriNIC Region origin ASes present in the Internet Routing Table: 503
AfriNIC Prefixes per ASN: 12.83
AfriNIC Region origin ASes announcing only one prefix: 157
AfriNIC Region transit ASes present in the Internet Routing Table: 113
Average AfriNIC Region AS path length visible: 3.4
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: 30378752
Equivalent to 1 /8s, 207 /16s and 139 /24s
Percentage of available AfriNIC address space announced: 45.3
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 1951 11102 667 Korea Telecom (KIX)
7545 1628 303 86 TPG Internet Pty Ltd
17974 1608 503 38 PT Telekomunikasi Indonesia
4755 1499 385 158 TATA Communications formerly
9829 1168 989 28 National Internet Backbone
9583 1099 81 496 Sify Limited
24560 982 381 162 Bharti Airtel Ltd., Telemedia
18101 962 122 155 Reliance Infocom Ltd Internet
7552 949 1062 11 Vietel Corporation
4808 937 1949 270 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 3481 3814 219 BellSouth.net Inc.
7029 2949 1042 213 Windstream Communications Inc
18566 2093 382 176 Covad Communications Co.
1785 1857 680 121 PaeTec Communications, Inc.
4323 1614 1089 386 tw telecom holdings, inc.
20115 1602 1549 629 Charter Communications
22773 1504 2909 104 Cox Communications Inc.
30036 1437 257 674 Mediacom Communications Corp
19262 1388 4683 401 Verizon Online LLC
7018 1319 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 1446 480 15 Corbina telecom
6830 644 1927 412 UPC Broadband
34984 624 132 200 BILISIM TELEKOM
2118 543 99 14 EUnet/RELCOM Autonomous Syste
20940 543 173 436 Akamai Technologies European
9116 541 326 32 Goldenlines main autonomous s
3320 523 8161 390 Deutsche Telekom AG
12479 493 601 12 France Telecom Espana SA
3292 481 2106 408 TDC Data Networks
8866 461 133 26 Bulgarian Telecommunication C
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 1719 318 155 Types of queries are: POCs, o
28573 1539 1059 72 Types of queries are: POCs, o
8151 1312 2966 341 Uninet S.A. de C.V.
7303 1239 751 174 Telecom Argentina S.A.
27947 605 73 92 Telconet S.A
22047 582 322 17 Types of queries are: POCs, o
7738 553 1050 31 Telecomunicacoes da Bahia S.A
3816 550 237 89 Types of queries are: POCs, o
6503 542 434 69 Axtel, S.A.B. de C.V.
11172 529 102 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 963 958 13 TEDATA
24863 781 146 32 LINKdotNET AS number
3741 281 939 230 The Internet Solution
15706 242 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
6713 235 519 14 Itissalat Al-MAGHRIB
29571 217 17 13 Ci Telecom Autonomous system
12258 196 28 61 Vodacom Internet Company
24835 193 80 8 RAYA Telecom - Egypt
16637 158 664 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 3481 3814 219 BellSouth.net Inc.
7029 2949 1042 213 Windstream Communications Inc
18566 2093 382 176 Covad Communications Co.
4766 1951 11102 667 Korea Telecom (KIX)
1785 1857 680 121 PaeTec Communications, Inc.
10620 1719 318 155 Types of queries are: POCs, o
7545 1628 303 86 TPG Internet Pty Ltd
4323 1614 1089 386 tw telecom holdings, inc.
17974 1608 503 38 PT Telekomunikasi Indonesia
20115 1602 1549 629 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
7029 2949 2736 Windstream Communications Inc
18566 2093 1917 Covad Communications Co.
1785 1857 1736 PaeTec Communications, Inc.
17974 1608 1570 PT Telekomunikasi Indonesia
10620 1719 1564 Types of queries are: POCs, o
7545 1628 1542 TPG Internet Pty Ltd
28573 1539 1467 Types of queries are: POCs, o
8402 1446 1431 Corbina telecom
22773 1504 1400 Cox Communications Inc.
4755 1499 1341 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
37.0.24.0/21 50794 AS Levira
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
64.21.192.0/20 11610 Internet Nebraska Corporation
64.21.212.0/22 11610 Internet Nebraska Corporation
64.21.216.0/21 11610 Internet Nebraska Corporation
66.171.32.0/20 705 MCI Communications Services,
66.175.222.0/23 30058 FDC Servers.net, LLC
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 /14:810 /15:1436 /16:12004 /17:6088 /18:10111
/19:20170 /20:27714 /21:27948 /22:37727 /23:35474 /24:197596
/25:11 /26:21 /27:20 /28:152 /29:135 /30:65
/31:0 /32:135
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2562 2949 Windstream Communications Inc
6389 2123 3481 BellSouth.net Inc.
18566 2043 2093 Covad Communications Co.
10620 1614 1719 Types of queries are: POCs, o
8402 1421 1446 Corbina telecom
30036 1397 1437 Mediacom Communications Corp
11492 1116 1153 CABLE ONE, INC.
1785 1059 1857 PaeTec Communications, Inc.
7011 1051 1168 Frontier Communications of Am
22773 965 1504 Cox Communications Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:444 2:450 4:15 5:1 6:3 8:359
12:1943 13:1 14:552 15:11 16:3 17:7
20:9 23:72 24:1694 27:1104 31:717 32:62
33:2 34:2 36:4 38:766 40:114 41:2913
42:68 44:3 46:1109 47:3 49:292 50:455
52:13 55:6 56:2 57:41 58:871 59:482
60:340 61:1073 62:919 63:1964 64:4033 65:2300
66:4353 67:2003 68:1176 69:3133 70:914 71:362
72:1777 74:2634 75:431 76:318 77:934 78:869
79:436 80:1143 81:845 82:531 83:528 84:467
85:1167 86:417 87:912 88:353 89:1585 90:247
91:4336 92:534 93:1394 94:1328 95:1089 96:390
97:286 98:779 99:38 101:122 103:525 106:8
107:105 108:95 109:1093 110:666 111:815 112:362
113:485 114:606 115:682 116:862 117:693 118:868
119:1222 120:346 121:655 122:1552 123:1017 124:1292
125:1289 128:243 129:168 130:177 131:575 132:149
133:21 134:214 135:55 136:211 137:144 138:287
139:121 140:465 141:252 142:365 143:410 144:501
145:66 146:468 147:223 148:620 149:271 150:159
151:192 152:441 153:171 154:6 155:396 156:207
157:327 158:156 159:431 160:333 161:204 162:360
163:173 164:515 165:388 166:541 167:459 168:812
169:145 170:823 171:90 172:4 173:1779 174:589
175:407 176:321 177:441 178:1139 180:1186 181:38
182:663 183:245 184:396 185:1 186:1474 187:785
188:942 189:1174 190:5267 192:5927 193:5118 194:3799
195:3368 196:1261 197:173 198:3572 199:4170 200:5462
201:1699 202:8256 203:8437 204:4249 205:2388 206:2583
207:2771 208:4004 209:3532 210:2667 211:1444 212:1990
213:1794 214:818 215:92 216:4904 217:1493 218:558
219:331 220:1215 221:506 222:297 223:241
End of report
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