* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 25 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 440953
Prefixes after maximum aggregation: 181348
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 220144
Total ASes present in the Internet Routing Table: 39986
Prefixes per ASN: 11.03
Origin-only ASes present in the Internet Routing Table: 34359
Origin ASes announcing only one prefix: 16048
Transit ASes present in the Internet Routing Table: 5619
Transit-only ASes present in the Internet Routing Table: 126
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: 966
Unregistered ASNs in the Routing Table: 164
Number of 32-bit ASNs allocated by the RIRs: 4650
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10062
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 195
Number of addresses announced to Internet: 2643920640
Equivalent to 157 /8s, 151 /16s and 7 /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: 154439
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102246
Total APNIC prefixes after maximum aggregation: 31889
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 104022
Unique aggregates announced from the APNIC address blocks: 44202
APNIC Region origin ASes present in the Internet Routing Table: 4776
APNIC Prefixes per ASN: 21.78
APNIC Region origin ASes announcing only one prefix: 1254
APNIC Region transit ASes present in the Internet Routing Table: 781
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: 718390272
Equivalent to 42 /8s, 209 /16s and 196 /24s
Percentage of available APNIC address space announced: 84.0
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: 155460
Total ARIN prefixes after maximum aggregation: 78722
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 156138
Unique aggregates announced from the ARIN address blocks: 71981
ARIN Region origin ASes present in the Internet Routing Table: 15498
ARIN Prefixes per ASN: 10.07
ARIN Region origin ASes announcing only one prefix: 5894
ARIN Region transit ASes present in the Internet Routing Table: 1551
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: 1078189568
Equivalent to 64 /8s, 67 /16s and 222 /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: 114865
Total RIPE prefixes after maximum aggregation: 59030
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 118503
Unique aggregates announced from the RIPE address blocks: 76155
RIPE Region origin ASes present in the Internet Routing Table: 17089
RIPE Prefixes per ASN: 6.93
RIPE Region origin ASes announcing only one prefix: 8160
RIPE Region transit ASes present in the Internet Routing Table: 2759
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: 1
Number of RIPE addresses announced to Internet: 654592768
Equivalent to 39 /8s, 4 /16s and 75 /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: 46881
Total LACNIC prefixes after maximum aggregation: 9217
LACNIC Deaggregation factor: 5.09
Prefixes being announced from the LACNIC address blocks: 50783
Unique aggregates announced from the LACNIC address blocks: 23831
LACNIC Region origin ASes present in the Internet Routing Table: 1862
LACNIC Prefixes per ASN: 27.27
LACNIC Region origin ASes announcing only one prefix: 560
LACNIC Region transit ASes present in the Internet Routing Table: 335
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: 124623104
Equivalent to 7 /8s, 109 /16s and 153 /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: 10671
Total AfriNIC prefixes after maximum aggregation: 2440
AfriNIC Deaggregation factor: 4.37
Prefixes being announced from the AfriNIC address blocks: 11311
Unique aggregates announced from the AfriNIC address blocks: 3795
AfriNIC Region origin ASes present in the Internet Routing Table: 598
AfriNIC Prefixes per ASN: 18.91
AfriNIC Region origin ASes announcing only one prefix: 180
AfriNIC Region transit ASes present in the Internet Routing Table: 124
Average AfriNIC Region AS path length visible: 3.5
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: 45499904
Equivalent to 2 /8s, 182 /16s and 70 /24s
Percentage of available AfriNIC address space announced: 45.2
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
17974 2505 840 86 PT Telekomunikasi Indonesia
4766 2141 11550 626 Korea Telecom (KIX)
7545 1840 301 89 TPG Internet Pty Ltd
4755 1723 392 196 TATA Communications formerly
9829 1470 1173 43 National Internet Backbone
9583 1269 97 528 Sify Limited
7552 1149 1063 12 Vietel Corporation
24560 1060 385 165 Bharti Airtel Ltd., Telemedia
9498 1059 310 73 BHARTI Airtel Ltd.
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 3033 3694 87 BellSouth.net Inc.
7029 2169 1266 215 Windstream Communications Inc
18566 2076 382 183 Covad Communications Co.
22773 1993 2929 125 Cox Communications Inc.
1785 1965 677 124 PaeTec Communications, Inc.
20115 1682 1613 619 Charter Communications
4323 1611 1155 400 tw telecom holdings, inc.
7018 1319 10842 856 AT&T Services, Inc.
30036 1319 290 678 Mediacom Communications Corp
11492 1212 222 330 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 1794 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1110 233 206 BILISIM TELEKOM
12479 841 786 66 France Telecom Espana SA
13188 835 99 36 Ukraine
20940 798 279 636 Akamai Technologies European
8551 793 370 43 Bezeq International
31148 786 41 19 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 2470 1335 84 Types of queries are: POCs, o
10620 2362 407 238 Types of queries are: POCs, o
7303 1673 1148 209 Telecom Argentina S.A.
8151 1213 2680 401 Uninet S.A. de C.V.
6503 1180 435 70 Axtel, S.A.B. de C.V.
14754 941 128 87 Telgua
18881 834 716 18 Global Village Telecom
27947 769 87 97 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
36998 1286 80 4 MOBITEL
24863 891 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 478 958 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 3033 3694 87 BellSouth.net Inc.
17974 2505 840 86 PT Telekomunikasi Indonesia
28573 2470 1335 84 Types of queries are: POCs, o
10620 2362 407 238 Types of queries are: POCs, o
7029 2169 1266 215 Windstream Communications Inc
4766 2141 11550 626 Korea Telecom (KIX)
18566 2076 382 183 Covad Communications Co.
22773 1993 2929 125 Cox Communications Inc.
1785 1965 677 124 PaeTec Communications, Inc.
7545 1840 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 2505 2419 PT Telekomunikasi Indonesia
28573 2470 2386 Types of queries are: POCs, o
10620 2362 2124 Types of queries are: POCs, o
7029 2169 1954 Windstream Communications Inc
18566 2076 1893 Covad Communications Co.
22773 1993 1868 Cox Communications Inc.
1785 1965 1841 PaeTec Communications, Inc.
8402 1794 1778 Corbina telecom
7545 1840 1751 TPG Internet Pty Ltd
4755 1723 1527 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.
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 /14:869 /15:1561 /16:12592 /17:6620 /18:10851
/19:21683 /20:31627 /21:33449 /22:45646 /23:41244 /24:233332
/25:9 /26:11 /27:12 /28:140 /29:193 /30:101
/31:0 /32:135
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2026 2076 Covad Communications Co.
6389 1743 3033 BellSouth.net Inc.
7029 1577 2169 Windstream Communications Inc
8402 1510 1794 Corbina telecom
22773 1304 1993 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1202 1319 Mediacom Communications Corp
11492 1174 1212 CABLE ONE, INC.
1785 1043 1965 PaeTec Communications, Inc.
7011 942 1187 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:703 2:754 3:3 4:13 5:835 6:3
8:512 12:1933 13:3 14:738 15:11 16:3
17:8 20:19 23:246 24:1796 27:1460 31:1192
32:39 33:2 34:5 36:43 37:1450 38:852
39:2 40:159 41:2832 42:177 44:6 46:1739
47:2 49:607 50:660 52:12 54:28 55:10
57:30 58:1019 59:595 60:299 61:1434 62:1022
63:2036 64:4283 65:2171 66:4272 67:2055 68:1115
69:3262 70:871 71:524 72:1895 74:2552 75:399
76:292 77:1083 78:1011 79:577 80:1245 81:981
82:620 83:558 84:562 85:1150 86:468 87:949
88:514 89:1758 90:262 91:5446 92:608 93:1698
94:1864 95:1571 96:497 97:336 98:1044 99:38
100:28 101:311 103:2299 105:517 106:133 107:207
108:497 109:1815 110:845 111:1038 112:496 113:751
114:673 115:986 116:847 117:793 118:1013 119:1212
120:377 121:814 122:1702 123:1183 124:1291 125:1317
128:516 129:193 130:313 131:643 132:325 133:144
134:247 135:60 136:219 137:239 138:339 139:179
140:174 141:306 142:516 143:362 144:480 145:90
146:512 147:358 148:681 149:356 150:150 151:479
152:414 153:193 154:33 155:382 156:248 157:344
158:268 159:627 160:333 161:398 162:373 163:196
164:572 165:446 166:371 167:576 168:1010 169:130
170:1027 171:169 172:5 173:1576 174:586 175:432
176:1136 177:1867 178:1970 179:1 180:1378 181:293
182:1212 183:348 184:649 185:305 186:2394 187:1229
188:1895 189:1390 190:6642 192:6358 193:5681 194:4510
195:3468 196:1299 197:962 198:4215 199:5220 200:5962
201:2367 202:8701 203:8681 204:4417 205:2517 206:2694
207:2762 208:4058 209:3524 210:2799 211:1560 212:2044
213:1964 214:905 215:95 216:5186 217:1575 218:591
219:334 220:1265 221:547 222:316 223:488
End of report
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