* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 21 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 439683
Prefixes after maximum aggregation: 181148
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 219470
Total ASes present in the Internet Routing Table: 39980
Prefixes per ASN: 11.00
Origin-only ASes present in the Internet Routing Table: 34335
Origin ASes announcing only one prefix: 16038
Transit ASes present in the Internet Routing Table: 5637
Transit-only ASes present in the Internet Routing Table: 121
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: 948
Unregistered ASNs in the Routing Table: 159
Number of 32-bit ASNs allocated by the RIRs: 4630
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 9778
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 209
Number of addresses announced to Internet: 2644185600
Equivalent to 157 /8s, 155 /16s and 18 /24s
Percentage of available address space announced: 71.4
Percentage of allocated address space announced: 71.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.4
Total number of prefixes smaller than registry allocations: 153419
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101863
Total APNIC prefixes after maximum aggregation: 31721
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 103631
Unique aggregates announced from the APNIC address blocks: 44084
APNIC Region origin ASes present in the Internet Routing Table: 4774
APNIC Prefixes per ASN: 21.71
APNIC Region origin ASes announcing only one prefix: 1260
APNIC Region transit ASes present in the Internet Routing Table: 784
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 718196224
Equivalent to 42 /8s, 206 /16s and 206 /24s
Percentage of available APNIC address space announced: 83.9
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: 155602
Total ARIN prefixes after maximum aggregation: 78790
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 156276
Unique aggregates announced from the ARIN address blocks: 71920
ARIN Region origin ASes present in the Internet Routing Table: 15491
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5885
ARIN Region transit ASes present in the Internet Routing Table: 1555
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: 2
Number of ARIN addresses announced to Internet: 1078239232
Equivalent to 64 /8s, 68 /16s and 160 /24s
Percentage of available ARIN address space announced: 57.0
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: 114698
Total RIPE prefixes after maximum aggregation: 58954
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 118144
Unique aggregates announced from the RIPE address blocks: 75768
RIPE Region origin ASes present in the Internet Routing Table: 17085
RIPE Prefixes per ASN: 6.92
RIPE Region origin ASes announcing only one prefix: 8153
RIPE Region transit ASes present in the Internet Routing Table: 2763
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 654553856
Equivalent to 39 /8s, 3 /16s and 179 /24s
Percentage of available RIPE address space announced: 95.2
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: 46856
Total LACNIC prefixes after maximum aggregation: 9197
LACNIC Deaggregation factor: 5.09
Prefixes being announced from the LACNIC address blocks: 50666
Unique aggregates announced from the LACNIC address blocks: 23799
LACNIC Region origin ASes present in the Internet Routing Table: 1862
LACNIC Prefixes per ASN: 27.21
LACNIC Region origin ASes announcing only one prefix: 557
LACNIC Region transit ASes present in the Internet Routing Table: 334
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: 3
Number of LACNIC addresses announced to Internet: 124622848
Equivalent to 7 /8s, 109 /16s and 152 /24s
Percentage of available LACNIC address space announced: 74.3
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: 10135
Total AfriNIC prefixes after maximum aggregation: 2436
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 10756
Unique aggregates announced from the AfriNIC address blocks: 3710
AfriNIC Region origin ASes present in the Internet Routing Table: 610
AfriNIC Prefixes per ASN: 17.63
AfriNIC Region origin ASes announcing only one prefix: 183
AfriNIC Region transit ASes present in the Internet Routing Table: 127
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: 1
Number of AfriNIC addresses announced to Internet: 45936128
Equivalent to 2 /8s, 188 /16s and 238 /24s
Percentage of available AfriNIC address space announced: 45.6
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 2474 837 87 PT Telekomunikasi Indonesia
4766 2141 11550 626 Korea Telecom (KIX)
7545 1835 301 89 TPG Internet Pty Ltd
4755 1703 392 194 TATA Communications formerly
9829 1469 1173 43 National Internet Backbone
9583 1279 97 525 Sify Limited
7552 1151 1070 12 Vietel Corporation
9498 1068 310 75 BHARTI Airtel Ltd.
24560 1060 385 165 Bharti Airtel Ltd., Telemedia
18101 1009 135 172 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 3037 3695 91 BellSouth.net Inc.
7029 2200 1266 215 Windstream Communications Inc
18566 2077 382 183 Covad Communications Co.
22773 1993 2929 125 Cox Communications Inc.
1785 1964 677 125 PaeTec Communications, Inc.
20115 1682 1613 619 Charter Communications
4323 1612 1155 400 tw telecom holdings, inc.
30036 1334 292 689 Mediacom Communications Corp
7018 1314 10841 854 AT&T Services, Inc.
11492 1210 222 329 CABLE ONE, 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 1745 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1107 233 206 BILISIM TELEKOM
12479 837 786 66 France Telecom Espana SA
13188 837 99 34 Ukraine
8551 795 370 43 Bezeq International
20940 794 277 632 Akamai Technologies European
31148 781 40 18 FreeNet ISP
6830 716 2314 437 UPC Broadband
58113 664 73 386 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
28573 2469 1338 91 Types of queries are: POCs, o
10620 2354 405 232 Types of queries are: POCs, o
7303 1673 1148 209 Telecom Argentina S.A.
6503 1220 435 70 Axtel, S.A.B. de C.V.
8151 1194 2669 393 Uninet S.A. de C.V.
14754 942 129 85 Telgua
18881 833 716 18 Global Village Telecom
27947 768 87 96 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 695 307 87 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
24863 892 274 34 LINKdotNET AS number
36998 582 80 4 MOBITEL
6713 533 615 23 Itissalat Al-MAGHRIB
8452 512 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
37054 207 11 5 Data Telecom Service
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
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 3037 3695 91 BellSouth.net Inc.
17974 2474 837 87 PT Telekomunikasi Indonesia
28573 2469 1338 91 Types of queries are: POCs, o
10620 2354 405 232 Types of queries are: POCs, o
7029 2200 1266 215 Windstream Communications Inc
4766 2141 11550 626 Korea Telecom (KIX)
18566 2077 382 183 Covad Communications Co.
22773 1993 2929 125 Cox Communications Inc.
1785 1964 677 125 PaeTec Communications, Inc.
7545 1835 301 89 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 2474 2387 PT Telekomunikasi Indonesia
28573 2469 2378 Types of queries are: POCs, o
10620 2354 2122 Types of queries are: POCs, o
7029 2200 1985 Windstream Communications Inc
18566 2077 1894 Covad Communications Co.
22773 1993 1868 Cox Communications Inc.
1785 1964 1839 PaeTec Communications, Inc.
7545 1835 1746 TPG Internet Pty Ltd
8402 1745 1729 Corbina telecom
4766 2141 1515 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
128.0.16.0/21 43568 Romerike Bredband AS
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 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 /8:18 /9:13 /10:30 /11:88 /12:248
/13:481 /14:870 /15:1560 /16:12595 /17:6616 /18:10870
/19:21667 /20:31648 /21:33453 /22:45688 /23:41240 /24:231997
/25:9 /26:11 /27:12 /28:141 /29:193 /30:101
/31:0 /32:134
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2027 2077 Covad Communications Co.
6389 1743 3037 BellSouth.net Inc.
7029 1587 2200 Windstream Communications Inc
8402 1488 1745 Corbina telecom
22773 1304 1993 Cox Communications Inc.
30036 1217 1334 Mediacom Communications Corp
11492 1172 1210 CABLE ONE, INC.
1785 1041 1964 PaeTec Communications, Inc.
7011 949 1197 Frontier Communications of Am
6983 921 1028 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:688 2:741 3:3 4:13 5:835 6:3
8:509 12:1930 13:3 14:738 15:11 16:3
17:8 20:19 23:244 24:1796 27:1457 31:1193
32:39 33:2 34:5 36:43 37:1450 38:856
39:2 40:159 41:2760 42:180 44:6 46:1723
47:2 49:612 50:659 52:12 54:28 55:10
57:30 58:1015 59:576 60:298 61:1381 62:1023
63:2034 64:4285 65:2173 66:4269 67:2056 68:1116
69:3264 70:881 71:520 72:1897 74:2550 75:400
76:295 77:1083 78:994 79:576 80:1235 81:976
82:653 83:559 84:562 85:1151 86:473 87:948
88:379 89:1753 90:262 91:5432 92:607 93:1705
94:1869 95:1560 96:505 97:336 98:1047 99:38
100:28 101:311 103:2295 105:263 106:131 107:207
108:499 109:1797 110:840 111:1037 112:495 113:751
114:676 115:966 116:864 117:794 118:1008 119:1218
120:371 121:762 122:1702 123:1193 124:1291 125:1306
128:493 129:193 130:311 131:641 132:327 133:142
134:247 135:60 136:220 137:238 138:343 139:176
140:174 141:307 142:514 143:374 144:485 145:89
146:513 147:363 148:689 149:355 150:150 151:469
152:413 153:193 154:32 155:380 156:248 157:345
158:269 159:629 160:335 161:401 162:374 163:196
164:575 165:446 166:390 167:576 168:1009 169:130
170:1022 171:168 172:4 173:1600 174:582 175:433
176:1145 177:1806 178:1796 179:1 180:1378 181:286
182:1211 183:349 184:657 185:301 186:2346 187:1265
188:1918 189:1427 190:6580 192:6355 193:5682 194:4518
195:3476 196:1306 197:591 198:4168 199:5227 200:5981
201:2371 202:8651 203:8645 204:4419 205:2560 206:2693
207:2755 208:4047 209:3522 210:2788 211:1555 212:2044
213:1957 214:911 215:95 216:5183 217:1572 218:592
219:320 220:1265 221:547 222:314 223:485
End of report
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