* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 27 Jun, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 408154
Prefixes after maximum aggregation: 173166
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 202335
Total ASes present in the Internet Routing Table: 38690
Prefixes per ASN: 10.55
Origin-only ASes present in the Internet Routing Table: 33338
Origin ASes announcing only one prefix: 15698
Transit ASes present in the Internet Routing Table: 5352
Transit-only ASes present in the Internet Routing Table: 122
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN ( 51742) 24
Prefixes from unregistered ASNs in the Routing Table: 1128
Unregistered ASNs in the Routing Table: 208
Number of 32-bit ASNs allocated by the RIRs: 2890
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6444
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 272
Number of addresses announced to Internet: 2588829696
Equivalent to 154 /8s, 78 /16s and 104 /24s
Percentage of available address space announced: 69.8
Percentage of allocated address space announced: 69.9
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.0
Total number of prefixes smaller than registry allocations: 140858
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95270
Total APNIC prefixes after maximum aggregation: 31180
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 96282
Unique aggregates announced from the APNIC address blocks: 41936
APNIC Region origin ASes present in the Internet Routing Table: 4666
APNIC Prefixes per ASN: 20.63
APNIC Region origin ASes announcing only one prefix: 1274
APNIC Region transit ASes present in the Internet Routing Table: 727
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: 701329152
Equivalent to 41 /8s, 205 /16s and 111 /24s
Percentage of available APNIC address space announced: 82.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
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, 150/8, 153/8,
163/8, 171/8, 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: 150812
Total ARIN prefixes after maximum aggregation: 76817
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 151724
Unique aggregates announced from the ARIN address blocks: 68131
ARIN Region origin ASes present in the Internet Routing Table: 15114
ARIN Prefixes per ASN: 10.04
ARIN Region origin ASes announcing only one prefix: 5746
ARIN Region transit ASes present in the Internet Routing Table: 1519
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1080332544
Equivalent to 64 /8s, 100 /16s and 145 /24s
Percentage of available ARIN address space announced: 57.2
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, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 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: 103814
Total RIPE prefixes after maximum aggregation: 54773
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 105939
Unique aggregates announced from the RIPE address blocks: 66811
RIPE Region origin ASes present in the Internet Routing Table: 16618
RIPE Prefixes per ASN: 6.37
RIPE Region origin ASes announcing only one prefix: 8074
RIPE Region transit ASes present in the Internet Routing Table: 2625
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 632810496
Equivalent to 37 /8s, 183 /16s and 236 /24s
Percentage of available RIPE address space announced: 92.0
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
59392-61439, 196608-199679
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,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 41755
Total LACNIC prefixes after maximum aggregation: 8186
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 44239
Unique aggregates announced from the LACNIC address blocks: 21930
LACNIC Region origin ASes present in the Internet Routing Table: 1594
LACNIC Prefixes per ASN: 27.75
LACNIC Region origin ASes announcing only one prefix: 437
LACNIC Region transit ASes present in the Internet Routing Table: 299
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 111091712
Equivalent to 6 /8s, 159 /16s and 32 /24s
Percentage of available LACNIC address space announced: 66.2
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,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 9250
Total AfriNIC prefixes after maximum aggregation: 2152
AfriNIC Deaggregation factor: 4.30
Prefixes being announced from the AfriNIC address blocks: 9697
Unique aggregates announced from the AfriNIC address blocks: 3282
AfriNIC Region origin ASes present in the Internet Routing Table: 542
AfriNIC Prefixes per ASN: 17.89
AfriNIC Region origin ASes announcing only one prefix: 167
AfriNIC Region transit ASes present in the Internet Routing Table: 120
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: 40495872
Equivalent to 2 /8s, 105 /16s and 235 /24s
Percentage of available AfriNIC address space announced: 40.2
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1988 11107 758 Korea Telecom (KIX)
17974 1858 533 80 PT Telekomunikasi Indonesia
7545 1683 301 85 TPG Internet Pty Ltd
4755 1571 384 151 TATA Communications formerly
9829 1300 1085 28 National Internet Backbone
9583 1168 87 508 Sify Limited
7552 1057 1062 11 Vietel Corporation
24560 1034 385 165 Bharti Airtel Ltd., Telemedia
9498 967 291 63 BHARTI Airtel Ltd.
4808 955 1944 284 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 3401 3791 191 BellSouth.net Inc.
7029 3249 1016 169 Windstream Communications Inc
18566 2091 382 180 Covad Communications Co.
1785 1927 681 132 PaeTec Communications, Inc.
22773 1653 2911 121 Cox Communications Inc.
20115 1650 1573 615 Charter Communications
4323 1569 1059 383 tw telecom holdings, inc.
30036 1440 269 762 Mediacom Communications Corp
7018 1231 10046 829 AT&T Services, Inc.
7011 1191 319 684 Frontier Communications of Am
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 1625 544 16 Corbina telecom
2118 1288 97 14 EUnet/RELCOM Autonomous Syste
12479 753 722 94 France Telecom Espana SA
34984 716 189 175 BILISIM TELEKOM
31148 690 37 9 FreeNet ISP
6830 686 2234 435 UPC Broadband
20940 648 210 517 Akamai Technologies European
13188 513 100 10 Ukraine
9116 512 326 31 Goldenlines main autonomous s
8551 505 364 61 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 1979 344 206 Types of queries are: POCs, o
28573 1963 1212 55 Types of queries are: POCs, o
6503 1522 418 67 Axtel, S.A.B. de C.V.
7303 1440 901 195 Telecom Argentina S.A.
8151 1347 3049 333 Uninet S.A. de C.V.
26615 896 732 33 Tim Celular S.A.
27947 682 74 87 Telconet S.A
11172 645 107 74 Alestra, S. de R.L. de C.V.
3816 591 248 88 Types of queries are: POCs, o
22047 583 326 15 Types of queries are: POCs, o
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 1277 958 13 TEDATA
24863 787 274 32 LINKdotNET AS number
6713 499 649 18 Itissalat Al-MAGHRIB
24835 321 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
33776 209 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
29975 167 571 19 Vodacom
15706 164 32 6 Sudatel Internet Exchange Aut
16637 160 664 88 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 3401 3791 191 BellSouth.net Inc.
7029 3249 1016 169 Windstream Communications Inc
18566 2091 382 180 Covad Communications Co.
4766 1988 11107 758 Korea Telecom (KIX)
10620 1979 344 206 Types of queries are: POCs, o
28573 1963 1212 55 Types of queries are: POCs, o
1785 1927 681 132 PaeTec Communications, Inc.
17974 1858 533 80 PT Telekomunikasi Indonesia
7545 1683 301 85 TPG Internet Pty Ltd
22773 1653 2911 121 Cox Communications Inc.
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 3249 3080 Windstream Communications Inc
18566 2091 1911 Covad Communications Co.
28573 1963 1908 Types of queries are: POCs, o
1785 1927 1795 PaeTec Communications, Inc.
17974 1858 1778 PT Telekomunikasi Indonesia
10620 1979 1773 Types of queries are: POCs, o
8402 1625 1609 Corbina telecom
7545 1683 1598 TPG Internet Pty Ltd
22773 1653 1532 Cox Communications Inc.
6503 1522 1455 Axtel, S.A.B. de C.V.
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.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
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.
19577 UNALLOCATED 12.41.188.0/24 7832 WW/Precision Communi
13317 UNALLOCATED 12.44.10.0/24 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
5.100.0.0/18 28876 suec // dacor GmbH - ISP Cobu
5.100.64.0/24 42038 VladLink LTD AS
5.100.64.0/18 42038 VladLink LTD AS
5.101.0.0/16 44050 Petersburg Internet Network L
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
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 /9:13 /10:29 /11:83 /12:236
/13:460 /14:831 /15:1509 /16:12233 /17:6336 /18:10672
/19:20678 /20:29443 /21:30928 /22:40377 /23:38418 /24:215335
/25:11 /26:20 /27:18 /28:147 /29:139 /30:83
/31:0 /32:135
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2617 3249 Windstream Communications Inc
18566 2041 2091 Covad Communications Co.
6389 1873 3401 BellSouth.net Inc.
30036 1379 1440 Mediacom Communications Corp
8402 1324 1625 Corbina telecom
11492 1152 1189 CABLE ONE, INC.
22773 1085 1653 Cox Communications Inc.
6503 1058 1522 Axtel, S.A.B. de C.V.
8452 1041 1277 TEDATA
1785 1038 1927 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:563 2:690 3:1 4:13 5:72 6:3
8:429 12:1983 13:1 14:626 15:12 16:3
17:5 20:24 23:186 24:1780 27:1310 31:1012
32:51 33:2 34:2 36:9 37:596 38:809
39:1 40:127 41:3156 42:140 44:3 46:1462
47:2 49:413 50:562 52:13 54:12 55:7
56:1 57:39 58:926 59:495 60:253 61:1112
62:1000 63:2033 64:4243 65:2250 66:4453 67:2021
68:1152 69:3185 70:982 71:503 72:1830 74:2605
75:476 76:332 77:944 78:965 79:493 80:1202
81:949 82:661 83:528 84:493 85:1178 86:426
87:934 88:330 89:1724 90:298 91:4976 92:563
93:1391 94:1590 95:1218 96:368 97:317 98:897
99:36 100:17 101:248 103:1180 106:103 107:189
108:327 109:1408 110:770 111:919 112:410 113:615
114:639 115:814 116:912 117:713 118:905 119:1198
120:338 121:675 122:1635 123:1095 124:1329 125:1251
128:519 129:192 130:249 131:612 132:286 133:22
134:234 135:61 136:214 137:236 138:333 139:183
140:468 141:252 142:417 143:367 144:531 145:76
146:502 147:290 148:751 149:314 150:157 151:175
152:471 153:175 154:16 155:454 156:222 157:337
158:190 159:543 160:335 161:245 162:351 163:181
164:634 165:409 166:582 167:476 168:909 169:126
170:888 171:139 172:5 173:1770 174:636 175:428
176:547 177:848 178:1530 180:1249 181:98 182:999
183:240 184:522 185:1 186:2386 187:1142 188:1348
189:1857 190:5632 192:5971 193:5538 194:4544 195:3416
196:1212 197:162 198:3623 199:4758 200:5831 201:1963
202:8401 203:8528 204:4259 205:2516 206:2720 207:2720
208:4037 209:3589 210:2693 211:1530 212:2028 213:1928
214:872 215:82 216:5080 217:1565 218:542 219:304
220:1237 221:553 222:285 223:344
End of report
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