* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 18 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 431832
Prefixes after maximum aggregation: 179448
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215672
Total ASes present in the Internet Routing Table: 39595
Prefixes per ASN: 10.91
Origin-only ASes present in the Internet Routing Table: 34046
Origin ASes announcing only one prefix: 15928
Transit ASes present in the Internet Routing Table: 5549
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: 996
Unregistered ASNs in the Routing Table: 165
Number of 32-bit ASNs allocated by the RIRs: 3664
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 9009
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 191
Number of addresses announced to Internet: 2648710160
Equivalent to 157 /8s, 224 /16s and 28 /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: 150554
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99878
Total APNIC prefixes after maximum aggregation: 31614
APNIC Deaggregation factor: 3.16
Prefixes being announced from the APNIC address blocks: 101545
Unique aggregates announced from the APNIC address blocks: 43474
APNIC Region origin ASes present in the Internet Routing Table: 4765
APNIC Prefixes per ASN: 21.31
APNIC Region origin ASes announcing only one prefix: 1269
APNIC Region transit ASes present in the Internet Routing Table: 776
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: 716014848
Equivalent to 42 /8s, 173 /16s and 133 /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: 153893
Total ARIN prefixes after maximum aggregation: 78108
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154562
Unique aggregates announced from the ARIN address blocks: 70669
ARIN Region origin ASes present in the Internet Routing Table: 15317
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5802
ARIN Region transit ASes present in the Internet Routing Table: 1528
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: 1091788032
Equivalent to 65 /8s, 19 /16s and 93 /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: 113178
Total RIPE prefixes after maximum aggregation: 58321
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 116265
Unique aggregates announced from the RIPE address blocks: 74284
RIPE Region origin ASes present in the Internet Routing Table: 17008
RIPE Prefixes per ASN: 6.84
RIPE Region origin ASes announcing only one prefix: 8159
RIPE Region transit ASes present in the Internet Routing Table: 2718
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: 653001488
Equivalent to 38 /8s, 236 /16s and 3 /24s
Percentage of available RIPE address space announced: 94.9
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: 45082
Total LACNIC prefixes after maximum aggregation: 8969
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 48691
Unique aggregates announced from the LACNIC address blocks: 23378
LACNIC Region origin ASes present in the Internet Routing Table: 1768
LACNIC Prefixes per ASN: 27.54
LACNIC Region origin ASes announcing only one prefix: 517
LACNIC Region transit ASes present in the Internet Routing Table: 318
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: 121143552
Equivalent to 7 /8s, 56 /16s and 129 /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: 10006
Total AfriNIC prefixes after maximum aggregation: 2384
AfriNIC Deaggregation factor: 4.20
Prefixes being announced from the AfriNIC address blocks: 10577
Unique aggregates announced from the AfriNIC address blocks: 3694
AfriNIC Region origin ASes present in the Internet Routing Table: 589
AfriNIC Prefixes per ASN: 17.96
AfriNIC Region origin ASes announcing only one prefix: 181
AfriNIC Region transit ASes present in the Internet Routing Table: 125
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: 44192768
Equivalent to 2 /8s, 162 /16s and 84 /24s
Percentage of available AfriNIC address space announced: 43.9
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 2119 11549 625 Korea Telecom (KIX)
7545 1815 301 88 TPG Internet Pty Ltd
4755 1649 381 175 TATA Communications formerly
9829 1395 1156 42 National Internet Backbone
9583 1192 89 507 Sify Limited
7552 1124 1070 12 Vietel Corporation
9498 1050 310 74 BHARTI Airtel Ltd.
24560 1012 372 162 Bharti Airtel Ltd., Telemedia
18101 990 132 163 Reliance Infocom Ltd Internet
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 2285 1265 212 Windstream Communications Inc
18566 2078 382 178 Covad Communications Co.
22773 1958 2931 128 Cox Communications Inc.
1785 1945 677 123 PaeTec Communications, Inc.
20115 1685 1606 625 Charter Communications
4323 1597 1171 394 tw telecom holdings, inc.
30036 1343 286 700 Mediacom Communications Corp
7018 1304 10582 864 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 1751 544 16 Corbina telecom
2118 1432 97 13 EUnet/RELCOM Autonomous Syste
34984 917 212 233 BILISIM TELEKOM
12479 834 778 65 France Telecom Espana SA
13188 774 96 112 Ukraine
31148 744 38 14 FreeNet ISP
20940 728 244 579 Akamai Technologies European
6830 714 2313 435 UPC Broadband
8551 675 367 39 Bezeq International
58113 633 70 378 LIR DATACENTER TELECOM SRL
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 2295 392 223 Types of queries are: POCs, o
28573 2272 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 1386 2867 361 Uninet S.A. de C.V.
27947 748 86 92 Telconet S.A
18881 741 716 18 Global Village Telecom
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 890 275 36 LINKdotNET AS number
36998 774 80 4 MOBITEL
6713 499 602 20 Itissalat Al-MAGHRIB
8452 480 958 13 TEDATA
24835 282 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
37054 210 11 5 Data Telecom Service
15399 198 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 2295 392 223 Types of queries are: POCs, o
7029 2285 1265 212 Windstream Communications Inc
28573 2272 1302 78 Types of queries are: POCs, o
4766 2119 11549 625 Korea Telecom (KIX)
18566 2078 382 178 Covad Communications Co.
22773 1958 2931 128 Cox Communications Inc.
1785 1945 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 2272 2194 Types of queries are: POCs, o
7029 2285 2073 Windstream Communications Inc
10620 2295 2072 Types of queries are: POCs, o
18566 2078 1900 Covad Communications Co.
22773 1958 1830 Cox Communications Inc.
1785 1945 1822 PaeTec Communications, Inc.
8402 1751 1735 Corbina telecom
7545 1815 1727 TPG Internet Pty Ltd
4766 2119 1494 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 /11:88 /12:247
/13:477 /14:865 /15:1559 /16:12477 /17:6598 /18:10846
/19:21611 /20:30998 /21:32946 /22:43983 /23:40357 /24:228113
/25:9 /26:11 /27:11 /28:145 /29:187 /30:98
/31:0 /32:144
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 2285 Windstream Communications Inc
8402 1467 1751 Corbina telecom
22773 1291 1958 Cox Communications Inc.
30036 1240 1343 Mediacom Communications Corp
11492 1157 1194 CABLE ONE, INC.
1785 1029 1945 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 2:749 3:3 4:13 5:719 6:3
8:485 12:1923 13:3 14:685 15:11 16:3
17:8 20:27 23:222 24:1789 27:1411 31:1124
32:49 33:2 34:3 36:9 37:1165 38:834
39:2 40:138 41:2814 42:178 44:3 46:1723
47:1 49:536 50:644 52:12 54:28 55:7
57:31 58:995 59:557 60:236 61:1301 62:1038
63:2041 64:4296 65:2157 66:4308 67:2082 68:1119
69:3245 70:860 71:536 72:1877 74:2540 75:417
76:297 77:1044 78:1009 79:536 80:1226 81:988
82:670 83:537 84:529 85:1157 86:469 87:969
88:365 89:1710 90:283 91:5393 92:611 93:1655
94:1983 95:1489 96:487 97:338 98:1053 99:49
100:29 101:293 103:2004 105:528 106:129 107:208
108:485 109:1741 110:825 111:991 112:462 113:732
114:676 115:910 116:874 117:767 118:964 119:1236
120:320 121:687 122:1693 123:1165 124:1288 125:1295
128:527 129:189 130:296 131:640 132:321 133:142
134:242 135:62 136:217 137:228 138:340 139:156
140:190 141:299 142:501 143:368 144:478 145:89
146:519 147:328 148:715 149:334 150:151 151:254
152:398 153:188 154:23 155:415 156:230 157:335
158:257 159:618 160:335 161:398 162:365 163:183
164:581 165:453 166:457 167:572 168:1000 169:128
170:1003 171:162 172:4 173:1548 174:754 175:420
176:1031 177:1566 178:1697 180:1358 181:211 182:1148
183:309 184:630 185:167 186:2188 187:1455 188:1903
189:1552 190:6272 192:6106 193:5850 194:4672 195:3671
196:1261 197:374 198:4032 199:5139 200:5916 201:2136
202:8581 203:8614 204:4401 205:2526 206:2696 207:2711
208:4063 209:3495 210:2788 211:1554 212:2012 213:1880
214:873 215:91 216:5036 217:1577 218:586 219:306
220:1256 221:529 222:322 223:387
End of report
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