* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 13 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 424397
Prefixes after maximum aggregation: 177632
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 211998
Total ASes present in the Internet Routing Table: 39319
Prefixes per ASN: 10.79
Origin-only ASes present in the Internet Routing Table: 33814
Origin ASes announcing only one prefix: 15843
Transit ASes present in the Internet Routing Table: 5505
Transit-only ASes present in the Internet Routing Table: 134
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 40
Max AS path prepend of ASN ( 22394) 37
Prefixes from unregistered ASNs in the Routing Table: 1662
Unregistered ASNs in the Routing Table: 395
Number of 32-bit ASNs allocated by the RIRs: 3471
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8392
Special use prefixes present in the Routing Table: 20
Prefixes being announced from unallocated address space: 163
Number of addresses announced to Internet: 2632985344
Equivalent to 156 /8s, 240 /16s and 43 /24s
Percentage of available address space announced: 71.1
Percentage of allocated address space announced: 71.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.8
Total number of prefixes smaller than registry allocations: 147552
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98848
Total APNIC prefixes after maximum aggregation: 31142
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 100277
Unique aggregates announced from the APNIC address blocks: 42983
APNIC Region origin ASes present in the Internet Routing Table: 4745
APNIC Prefixes per ASN: 21.13
APNIC Region origin ASes announcing only one prefix: 1272
APNIC Region transit ASes present in the Internet Routing Table: 752
Average APNIC Region AS path length visible: 4.1
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: 711574528
Equivalent to 42 /8s, 105 /16s and 196 /24s
Percentage of available APNIC address space announced: 83.2
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: 153759
Total ARIN prefixes after maximum aggregation: 77896
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154563
Unique aggregates announced from the ARIN address blocks: 69836
ARIN Region origin ASes present in the Internet Routing Table: 15222
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5765
ARIN Region transit ASes present in the Internet Routing Table: 1530
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 40
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1087694592
Equivalent to 64 /8s, 212 /16s and 231 /24s
Percentage of available ARIN address space announced: 57.5
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: 109339
Total RIPE prefixes after maximum aggregation: 57694
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 112144
Unique aggregates announced from the RIPE address blocks: 72589
RIPE Region origin ASes present in the Internet Routing Table: 16929
RIPE Prefixes per ASN: 6.62
RIPE Region origin ASes announcing only one prefix: 8144
RIPE Region transit ASes present in the Internet Routing Table: 2716
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 648720896
Equivalent to 38 /8s, 170 /16s and 178 /24s
Percentage of available RIPE address space announced: 94.3
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: 43707
Total LACNIC prefixes after maximum aggregation: 8580
LACNIC Deaggregation factor: 5.09
Prefixes being announced from the LACNIC address blocks: 47137
Unique aggregates announced from the LACNIC address blocks: 22833
LACNIC Region origin ASes present in the Internet Routing Table: 1694
LACNIC Prefixes per ASN: 27.83
LACNIC Region origin ASes announcing only one prefix: 492
LACNIC Region transit ASes present in the Internet Routing Table: 315
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: 119327232
Equivalent to 7 /8s, 28 /16s and 202 /24s
Percentage of available LACNIC address space announced: 71.1
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: 9612
Total AfriNIC prefixes after maximum aggregation: 2267
AfriNIC Deaggregation factor: 4.24
Prefixes being announced from the AfriNIC address blocks: 10112
Unique aggregates announced from the AfriNIC address blocks: 3617
AfriNIC Region origin ASes present in the Internet Routing Table: 563
AfriNIC Prefixes per ASN: 17.96
AfriNIC Region origin ASes announcing only one prefix: 170
AfriNIC Region transit ASes present in the Internet Routing Table: 122
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: 43088128
Equivalent to 2 /8s, 145 /16s and 121 /24s
Percentage of available AfriNIC address space announced: 42.8
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 2420 826 46 PT Telekomunikasi Indonesia
4766 2101 11550 602 Korea Telecom (KIX)
7545 1795 301 88 TPG Internet Pty Ltd
4755 1596 375 159 TATA Communications formerly
9829 1411 1155 42 National Internet Backbone
9583 1180 88 513 Sify Limited
7552 1101 1062 11 Vietel Corporation
24560 1039 385 165 Bharti Airtel Ltd., Telemedia
9498 1021 310 74 BHARTI Airtel Ltd.
18101 1016 135 170 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
7029 3203 991 190 Windstream Communications Inc
6389 3160 3721 157 BellSouth.net Inc.
18566 2072 381 182 Covad Communications Co.
22773 1970 2931 128 Cox Communications Inc.
1785 1931 678 127 PaeTec Communications, Inc.
20115 1667 1600 626 Charter Communications
4323 1587 1169 392 tw telecom holdings, inc.
30036 1375 282 745 Mediacom Communications Corp
7018 1277 10292 854 AT&T Services, Inc.
7011 1222 334 692 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 1695 544 16 Corbina telecom
12479 853 777 63 France Telecom Espana SA
34984 833 208 204 BILISIM TELEKOM
31148 731 37 9 FreeNet ISP
13188 723 93 139 Ukraine
6830 713 2313 436 UPC Broadband
20940 705 230 551 Akamai Technologies European
8551 616 364 61 Bezeq International
58113 602 67 365 LIR DATACENTER TELECOM SRL
9116 541 326 32 Goldenlines main autonomous s
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 2252 384 208 Types of queries are: POCs, o
28573 2178 1283 64 Types of queries are: POCs, o
7303 1669 1139 202 Telecom Argentina S.A.
6503 1530 435 69 Axtel, S.A.B. de C.V.
8151 1456 3041 348 Uninet S.A. de C.V.
27947 725 78 88 Telconet S.A
3816 655 309 68 Types of queries are: POCs, o
11172 588 101 65 Alestra, S. de R.L. de C.V.
18881 585 716 18 Global Village Telecom
7738 580 1178 33 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 903 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
6713 516 650 19 Itissalat Al-MAGHRIB
8452 515 958 13 TEDATA
24835 289 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
15399 179 29 5 Wananchi Online Limited
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
7029 3203 991 190 Windstream Communications Inc
6389 3160 3721 157 BellSouth.net Inc.
17974 2420 826 46 PT Telekomunikasi Indonesia
10620 2252 384 208 Types of queries are: POCs, o
28573 2178 1283 64 Types of queries are: POCs, o
4766 2101 11550 602 Korea Telecom (KIX)
18566 2072 381 182 Covad Communications Co.
22773 1970 2931 128 Cox Communications Inc.
1785 1931 678 127 PaeTec Communications, Inc.
7545 1795 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
6389 3160 3003 BellSouth.net Inc.
17974 2420 2374 PT Telekomunikasi Indonesia
28573 2178 2114 Types of queries are: POCs, o
10620 2252 2044 Types of queries are: POCs, o
18566 2072 1890 Covad Communications Co.
22773 1970 1842 Cox Communications Inc.
1785 1931 1804 PaeTec Communications, Inc.
7545 1795 1707 TPG Internet Pty Ltd
8402 1695 1679 Corbina telecom
4766 2101 1499 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
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG
59395 UNALLOCATED 5.133.16.0/21 8468 ENTANET Internationa
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59521 UNALLOCATED 5.134.192.0/21 29518 Bredband2 AB
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS
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
128.0.24.0/21 41794 Sibirskie Seti Ltd.
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
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
41.220.80.0/24 38925 G.I.T. TELECOM LIMITED
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 /12:243
/13:478 /14:854 /15:1561 /16:12398 /17:6564 /18:10809
/19:21291 /20:30627 /21:32605 /22:42851 /23:40085 /24:223297
/25:9 /26:13 /27:10 /28:142 /29:183 /30:90
/31:0 /32:137
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2643 3203 Windstream Communications Inc
18566 2022 2072 Covad Communications Co.
6389 1781 3160 BellSouth.net Inc.
8402 1403 1695 Corbina telecom
22773 1298 1970 Cox Communications Inc.
30036 1290 1375 Mediacom Communications Corp
11492 1147 1182 CABLE ONE, INC.
6503 1050 1530 Axtel, S.A.B. de C.V.
1785 1018 1931 PaeTec Communications, Inc.
7011 957 1222 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:608 2:747 3:1 4:13 5:652 6:3
8:482 12:1954 13:3 14:673 15:11 16:3
17:6 20:27 23:210 24:1809 27:1396 31:1054
32:49 33:2 34:2 36:7 37:930 38:832
39:2 40:138 41:2697 42:178 44:3 46:1641
47:2 49:505 50:604 52:12 54:27 55:2
56:1 57:30 58:979 59:537 60:231 61:1282
62:963 63:2013 64:4293 65:2197 66:4501 67:2102
68:1156 69:3217 70:933 71:553 72:1890 74:2617
75:479 76:285 77:978 78:1004 79:511 80:1239
81:983 82:631 83:544 84:520 85:1150 86:513
87:949 88:350 89:1746 90:305 91:5310 92:573
93:1432 94:1791 95:1383 96:411 97:325 98:971
99:36 100:30 101:289 103:1764 105:518 106:121
107:203 108:460 109:1629 110:819 111:976 112:431
113:720 114:670 115:869 116:855 117:744 118:963
119:1198 120:356 121:681 122:1663 123:1164 124:1296
125:1287 128:538 129:188 130:278 131:654 132:309
133:142 134:243 135:61 136:216 137:234 138:339
139:172 140:476 141:291 142:477 143:374 144:488
145:83 146:518 147:254 148:719 149:326 150:151
151:210 152:449 153:183 154:20 155:431 156:225
157:324 158:284 159:588 160:337 161:388 162:368
163:179 164:577 165:443 166:488 167:563 168:974
169:128 170:922 171:156 172:7 173:1700 174:639
175:464 176:719 177:1427 178:1627 180:1382 181:169
182:1097 183:300 184:619 185:61 186:2075 187:1397
188:1745 189:1623 190:5867 192:6002 193:5412 194:4136
195:3468 196:1233 197:249 198:3869 199:5061 200:5933
201:1972 202:8522 203:8602 204:4351 205:2522 206:2671
207:2734 208:4054 209:3603 210:2744 211:1514 212:2157
213:1849 214:850 215:75 216:5169 217:1574 218:565
219:294 220:1252 221:531 222:337 223:401
End of report
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