* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 28 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 433929
Prefixes after maximum aggregation: 179414
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 216256
Total ASes present in the Internet Routing Table: 39648
Prefixes per ASN: 10.94
Origin-only ASes present in the Internet Routing Table: 34096
Origin ASes announcing only one prefix: 15923
Transit ASes present in the Internet Routing Table: 5552
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: 973
Unregistered ASNs in the Routing Table: 167
Number of 32-bit ASNs allocated by the RIRs: 3708
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 9047
Special use prefixes present in the Routing Table: 24
Prefixes being announced from unallocated address space: 193
Number of addresses announced to Internet: 2650433808
Equivalent to 157 /8s, 250 /16s and 105 /24s
Percentage of available address space announced: 71.6
Percentage of allocated address space announced: 71.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.2
Total number of prefixes smaller than registry allocations: 151614
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 100325
Total APNIC prefixes after maximum aggregation: 31600
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 101966
Unique aggregates announced from the APNIC address blocks: 43712
APNIC Region origin ASes present in the Internet Routing Table: 4767
APNIC Prefixes per ASN: 21.39
APNIC Region origin ASes announcing only one prefix: 1266
APNIC Region transit ASes present in the Internet Routing Table: 769
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: 716248576
Equivalent to 42 /8s, 177 /16s and 22 /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: 153843
Total ARIN prefixes after maximum aggregation: 78084
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154505
Unique aggregates announced from the ARIN address blocks: 70672
ARIN Region origin ASes present in the Internet Routing Table: 15344
ARIN Prefixes per ASN: 10.07
ARIN Region origin ASes announcing only one prefix: 5812
ARIN Region transit ASes present in the Internet Routing Table: 1535
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: 1091869184
Equivalent to 65 /8s, 20 /16s and 154 /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: 113563
Total RIPE prefixes after maximum aggregation: 58328
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 116663
Unique aggregates announced from the RIPE address blocks: 74499
RIPE Region origin ASes present in the Internet Routing Table: 17022
RIPE Prefixes per ASN: 6.85
RIPE Region origin ASes announcing only one prefix: 8153
RIPE Region transit ASes present in the Internet Routing Table: 2722
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: 653173520
Equivalent to 38 /8s, 238 /16s and 163 /24s
Percentage of available RIPE address space announced: 95.0
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: 45745
Total LACNIC prefixes after maximum aggregation: 8954
LACNIC Deaggregation factor: 5.11
Prefixes being announced from the LACNIC address blocks: 49371
Unique aggregates announced from the LACNIC address blocks: 23513
LACNIC Region origin ASes present in the Internet Routing Table: 1777
LACNIC Prefixes per ASN: 27.78
LACNIC Region origin ASes announcing only one prefix: 512
LACNIC Region transit ASes present in the Internet Routing Table: 319
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: 122381056
Equivalent to 7 /8s, 75 /16s and 99 /24s
Percentage of available LACNIC address space announced: 72.9
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: 10649
Total AfriNIC prefixes after maximum aggregation: 2396
AfriNIC Deaggregation factor: 4.44
Prefixes being announced from the AfriNIC address blocks: 11230
Unique aggregates announced from the AfriNIC address blocks: 3687
AfriNIC Region origin ASes present in the Internet Routing Table: 587
AfriNIC Prefixes per ASN: 19.13
AfriNIC Region origin ASes announcing only one prefix: 180
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: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 44152576
Equivalent to 2 /8s, 161 /16s and 183 /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 2455 828 53 PT Telekomunikasi Indonesia
4766 2117 11549 624 Korea Telecom (KIX)
7545 1817 301 85 TPG Internet Pty Ltd
4755 1649 380 174 TATA Communications formerly
9829 1388 1152 45 National Internet Backbone
9583 1196 89 507 Sify Limited
7552 1130 1070 12 Vietel Corporation
9498 1052 310 75 BHARTI Airtel Ltd.
24560 1040 385 160 Bharti Airtel Ltd., Telemedia
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
6389 3098 3700 118 BellSouth.net Inc.
7029 2285 1265 211 Windstream Communications Inc
18566 2078 382 178 Covad Communications Co.
22773 1961 2931 128 Cox Communications Inc.
1785 1947 677 123 PaeTec Communications, Inc.
20115 1688 1607 627 Charter Communications
4323 1595 1171 393 tw telecom holdings, inc.
30036 1355 288 692 Mediacom Communications Corp
7018 1308 10582 867 AT&T Services, Inc.
7011 1207 319 687 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 1776 544 16 Corbina telecom
2118 1432 97 13 EUnet/RELCOM Autonomous Syste
34984 935 231 208 BILISIM TELEKOM
13188 840 99 22 Ukraine
12479 833 778 65 France Telecom Espana SA
31148 747 38 16 FreeNet ISP
8551 732 367 39 Bezeq International
20940 731 247 582 Akamai Technologies European
6830 714 2313 435 UPC Broadband
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
28573 2324 1315 81 Types of queries are: POCs, o
10620 2301 394 224 Types of queries are: POCs, o
7303 1679 1147 206 Telecom Argentina S.A.
6503 1461 435 69 Axtel, S.A.B. de C.V.
8151 1390 2891 372 Uninet S.A. de C.V.
14754 795 113 126 Telgua
18881 756 716 18 Global Village Telecom
27947 748 86 89 Telconet S.A
3816 674 307 85 Types of queries are: POCs, o
11172 603 102 67 Alestra, S. de R.L. de C.V.
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 896 275 36 LINKdotNET AS number
8452 557 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 329 80 8 RAYA Telecom - Egypt
3741 265 906 223 The Internet Solution
37054 197 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 3098 3700 118 BellSouth.net Inc.
17974 2455 828 53 PT Telekomunikasi Indonesia
28573 2324 1315 81 Types of queries are: POCs, o
10620 2301 394 224 Types of queries are: POCs, o
7029 2285 1265 211 Windstream Communications Inc
4766 2117 11549 624 Korea Telecom (KIX)
18566 2078 382 178 Covad Communications Co.
22773 1961 2931 128 Cox Communications Inc.
1785 1947 677 123 PaeTec Communications, Inc.
7545 1817 301 85 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 2455 2402 PT Telekomunikasi Indonesia
28573 2324 2243 Types of queries are: POCs, o
10620 2301 2077 Types of queries are: POCs, o
7029 2285 2074 Windstream Communications Inc
18566 2078 1900 Covad Communications Co.
22773 1961 1833 Cox Communications Inc.
1785 1947 1824 PaeTec Communications, Inc.
8402 1776 1760 Corbina telecom
7545 1817 1732 TPG Internet Pty Ltd
4766 2117 1493 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
128.0.96.0/21 12886 LEWTelNet GmbH
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 /14:868 /15:1559 /16:12492 /17:6613 /18:10844
/19:21662 /20:31024 /21:33080 /22:44457 /23:40361 /24:229497
/25:9 /26:11 /27:11 /28:142 /29:187 /30:99
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2028 2078 Covad Communications Co.
6389 1770 3098 BellSouth.net Inc.
7029 1642 2285 Windstream Communications Inc
8402 1506 1776 Corbina telecom
22773 1292 1961 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1249 1355 Mediacom Communications Corp
11492 1158 1195 CABLE ONE, INC.
1785 1030 1947 PaeTec Communications, Inc.
6503 979 1461 Axtel, S.A.B. de C.V.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:675 2:719 3:3 4:13 5:727 6:3
8:487 12:1931 13:3 14:690 15:11 16:3
17:8 20:27 23:219 24:1798 27:1481 31:1139
32:49 33:2 34:5 36:9 37:1213 38:840
39:2 40:139 41:2836 42:179 44:4 46:1726
47:1 49:537 50:661 52:12 54:28 55:3
57:31 58:995 59:557 60:244 61:1299 62:1052
63:2035 64:4328 65:2157 66:4259 67:2018 68:1118
69:3234 70:858 71:535 72:1878 74:2543 75:423
76:294 77:1052 78:1022 79:552 80:1226 81:983
82:659 83:535 84:575 85:1163 86:473 87:972
88:365 89:1732 90:285 91:5387 92:607 93:1659
94:2012 95:1578 96:484 97:331 98:1052 99:49
100:29 101:302 103:2032 105:531 106:129 107:208
108:485 109:1745 110:830 111:995 112:469 113:725
114:673 115:913 116:867 117:770 118:969 119:1246
120:320 121:688 122:1687 123:1171 124:1289 125:1299
128:513 129:190 130:298 131:640 132:322 133:142
134:242 135:62 136:218 137:231 138:340 139:154
140:190 141:300 142:497 143:364 144:471 145:90
146:520 147:330 148:711 149:340 150:152 151:284
152:397 153:190 154:23 155:365 156:236 157:348
158:257 159:624 160:334 161:395 162:366 163:190
164:575 165:453 166:459 167:574 168:1001 169:129
170:1007 171:163 172:4 173:1555 174:624 175:426
176:1031 177:1611 178:1684 180:1371 181:218 182:1155
183:313 184:634 185:188 186:2242 187:1466 188:1873
189:1540 190:6507 192:6142 193:5842 194:4672 195:3667
196:1284 197:883 198:4039 199:5132 200:5944 201:2167
202:8607 203:8660 204:4391 205:2512 206:2707 207:2722
208:4062 209:3510 210:2789 211:1551 212:2020 213:1850
214:902 215:91 216:5052 217:1582 218:581 219:307
220:1263 221:528 222:335 223:408
End of report
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