* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 17 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 430852
Prefixes after maximum aggregation: 179394
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 215747
Total ASes present in the Internet Routing Table: 39593
Prefixes per ASN: 10.88
Origin-only ASes present in the Internet Routing Table: 34041
Origin ASes announcing only one prefix: 15932
Transit ASes present in the Internet Routing Table: 5552
Transit-only ASes present in the Internet Routing Table: 118
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 999
Unregistered ASNs in the Routing Table: 166
Number of 32-bit ASNs allocated by the RIRs: 3658
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8940
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 189
Number of addresses announced to Internet: 2645688848
Equivalent to 157 /8s, 178 /16s and 2 /24s
Percentage of available address space announced: 71.5
Percentage of allocated address space announced: 71.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.1
Total number of prefixes smaller than registry allocations: 150361
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 100069
Total APNIC prefixes after maximum aggregation: 31603
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 101734
Unique aggregates announced from the APNIC address blocks: 43560
APNIC Region origin ASes present in the Internet Routing Table: 4767
APNIC Prefixes per ASN: 21.34
APNIC Region origin ASes announcing only one prefix: 1273
APNIC Region transit ASes present in the Internet Routing Table: 772
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 716022784
Equivalent to 42 /8s, 173 /16s and 164 /24s
Percentage of available APNIC address space announced: 83.7
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: 153609
Total ARIN prefixes after maximum aggregation: 78085
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154270
Unique aggregates announced from the ARIN address blocks: 70686
ARIN Region origin ASes present in the Internet Routing Table: 15314
ARIN Prefixes per ASN: 10.07
ARIN Region origin ASes announcing only one prefix: 5802
ARIN Region transit ASes present in the Internet Routing Table: 1527
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1091713536
Equivalent to 65 /8s, 18 /16s and 58 /24s
Percentage of available ARIN address space announced: 57.8
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, 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: 112352
Total RIPE prefixes after maximum aggregation: 58296
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 115452
Unique aggregates announced from the RIPE address blocks: 74285
RIPE Region origin ASes present in the Internet Routing Table: 17013
RIPE Prefixes per ASN: 6.79
RIPE Region origin ASes announcing only one prefix: 8165
RIPE Region transit ASes present in the Internet Routing Table: 2719
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 650251792
Equivalent to 38 /8s, 194 /16s and 14 /24s
Percentage of available RIPE address space announced: 94.5
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
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: 45039
Total LACNIC prefixes after maximum aggregation: 8980
LACNIC Deaggregation factor: 5.02
Prefixes being announced from the LACNIC address blocks: 48603
Unique aggregates announced from the LACNIC address blocks: 23355
LACNIC Region origin ASes present in the Internet Routing Table: 1765
LACNIC Prefixes per ASN: 27.54
LACNIC Region origin ASes announcing only one prefix: 511
LACNIC Region transit ASes present in the Internet Routing Table: 322
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: 121153792
Equivalent to 7 /8s, 56 /16s and 169 /24s
Percentage of available LACNIC address space announced: 72.2
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: 10056
Total AfriNIC prefixes after maximum aggregation: 2378
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 10603
Unique aggregates announced from the AfriNIC address blocks: 3690
AfriNIC Region origin ASes present in the Internet Routing Table: 586
AfriNIC Prefixes per ASN: 18.09
AfriNIC Region origin ASes announcing only one prefix: 181
AfriNIC Region transit ASes present in the Internet Routing Table: 128
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: 43980544
Equivalent to 2 /8s, 159 /16s and 23 /24s
Percentage of available AfriNIC address space announced: 43.7
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
17974 2456 828 53 PT Telekomunikasi Indonesia
4766 2129 11549 629 Korea Telecom (KIX)
7545 1815 301 88 TPG Internet Pty Ltd
4755 1648 381 175 TATA Communications formerly
9829 1425 1156 42 National Internet Backbone
9583 1192 89 507 Sify Limited
7552 1137 1070 12 Vietel Corporation
9498 1049 310 74 BHARTI Airtel Ltd.
18101 1016 135 170 Reliance Infocom Ltd Internet
24560 1011 372 162 Bharti Airtel Ltd., Telemedia
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 3107 3700 125 BellSouth.net Inc.
7029 2286 1265 212 Windstream Communications Inc
18566 2078 382 178 Covad Communications Co.
22773 1958 2931 128 Cox Communications Inc.
1785 1944 677 123 PaeTec Communications, Inc.
20115 1685 1606 625 Charter Communications
4323 1597 1171 394 tw telecom holdings, inc.
30036 1342 286 702 Mediacom Communications Corp
7018 1306 10582 865 AT&T Services, Inc.
7011 1206 321 685 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 1739 544 16 Corbina telecom
34984 917 212 233 BILISIM TELEKOM
12479 832 778 65 France Telecom Espana SA
13188 765 95 125 Ukraine
31148 743 38 14 FreeNet ISP
20940 728 244 579 Akamai Technologies European
6830 713 2313 434 UPC Broadband
8551 674 367 39 Bezeq International
58113 633 70 378 LIR DATACENTER TELECOM SRL
2118 603 97 13 EUnet/RELCOM Autonomous Syste
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 2292 391 222 Types of queries are: POCs, o
28573 2274 1302 78 Types of queries are: POCs, o
7303 1670 1139 204 Telecom Argentina S.A.
6503 1446 435 69 Axtel, S.A.B. de C.V.
8151 1385 2873 362 Uninet S.A. de C.V.
18881 750 716 18 Global Village Telecom
27947 748 86 92 Telconet S.A
3816 672 307 85 Types of queries are: POCs, o
11172 603 102 67 Alestra, S. de R.L. de C.V.
7738 587 1242 34 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 885 275 36 LINKdotNET AS number
36998 774 80 4 MOBITEL
8452 544 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 290 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
37054 210 11 5 Data Telecom Service
15399 201 29 7 Wananchi Online Limited
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
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 3107 3700 125 BellSouth.net Inc.
17974 2456 828 53 PT Telekomunikasi Indonesia
10620 2292 391 222 Types of queries are: POCs, o
7029 2286 1265 212 Windstream Communications Inc
28573 2274 1302 78 Types of queries are: POCs, o
4766 2129 11549 629 Korea Telecom (KIX)
18566 2078 382 178 Covad Communications Co.
22773 1958 2931 128 Cox Communications Inc.
1785 1944 677 123 PaeTec Communications, Inc.
7545 1815 301 88 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
17974 2456 2403 PT Telekomunikasi Indonesia
28573 2274 2196 Types of queries are: POCs, o
7029 2286 2074 Windstream Communications Inc
10620 2292 2070 Types of queries are: POCs, o
18566 2078 1900 Covad Communications Co.
22773 1958 1830 Cox Communications Inc.
1785 1944 1821 PaeTec Communications, Inc.
7545 1815 1727 TPG Internet Pty Ltd
8402 1739 1723 Corbina telecom
4766 2129 1500 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.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc.
21861 UNALLOCATED 12.37.59.0/24 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.
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T Services, Inc.
17300 UNALLOCATED 12.45.103.0/24 209 Qwest Communications
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
128.0.0.0/24 2876 Jump Management SRL
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.112.114.0/24 23884 Proimage Engineering and Comm
31.210.16.0/22 15657 Neural Networks ASN
41.222.80.0/21 37110 Moztel LDA
62.12.96.0/19 38478 SunnyVision Limited
62.61.220.0/24 24974 Tachyon Europe BV
62.61.221.0/24 24974 Tachyon Europe BV
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
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 /8:19 /9:13 /10:30 /11:87 /12:247
/13:476 /14:864 /15:1560 /16:12466 /17:6595 /18:10839
/19:21589 /20:31043 /21:32939 /22:43952 /23:40321 /24:227208
/25:9 /26:11 /27:11 /28:145 /29:188 /30:97
/31:0 /32:143
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2028 2078 Covad Communications Co.
6389 1771 3107 BellSouth.net Inc.
7029 1642 2286 Windstream Communications Inc
8402 1467 1739 Corbina telecom
22773 1291 1958 Cox Communications Inc.
30036 1239 1342 Mediacom Communications Corp
11492 1157 1194 CABLE ONE, INC.
1785 1028 1944 PaeTec Communications, Inc.
6503 976 1446 Axtel, S.A.B. de C.V.
7011 955 1206 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:661 2:696 3:3 4:13 5:722 6:3
8:485 12:1921 13:3 14:687 15:11 16:3
17:6 20:27 23:222 24:1790 27:1476 31:1133
32:49 33:2 34:3 36:9 37:1163 38:833
39:2 40:138 41:2815 42:180 44:3 46:1727
47:1 49:535 50:643 52:12 54:28 55:7
57:31 58:996 59:557 60:235 61:1301 62:1037
63:2040 64:4302 65:2155 66:4305 67:2078 68:1118
69:3300 70:860 71:536 72:1875 74:2546 75:414
76:295 77:1042 78:1019 79:535 80:1227 81:978
82:666 83:538 84:528 85:1156 86:469 87:970
88:366 89:1714 90:283 91:5399 92:607 93:1664
94:1982 95:1523 96:489 97:338 98:970 99:49
100:29 101:294 103:2006 105:528 106:128 107:208
108:486 109:1823 110:828 111:987 112:461 113:730
114:675 115:920 116:885 117:767 118:965 119:1242
120:323 121:688 122:1694 123:1181 124:1289 125:1296
128:514 129:189 130:296 131:635 132:321 133:142
134:242 135:62 136:215 137:229 138:339 139:158
140:190 141:300 142:497 143:368 144:480 145:89
146:519 147:299 148:713 149:334 150:154 151:254
152:398 153:188 154:23 155:445 156:230 157:335
158:257 159:618 160:336 161:397 162:366 163:183
164:581 165:453 166:458 167:572 168:1000 169:129
170:1002 171:162 172:4 173:1514 174:614 175:419
176:1033 177:1548 178:1687 180:1365 181:204 182:1156
183:257 184:631 185:167 186:2181 187:1449 188:1910
189:1562 190:6268 192:6096 193:5514 194:4328 195:3528
196:1256 197:374 198:4031 199:5138 200:5905 201:2126
202:8623 203:8627 204:4403 205:2496 206:2698 207:2697
208:4078 209:3503 210:2788 211:1552 212:2011 213:1884
214:885 215:91 216:5019 217:1577 218:585 219:306
220:1262 221:529 222:322 223:397
End of report
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