* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 26 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 436778
Prefixes after maximum aggregation: 180278
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 217425
Total ASes present in the Internet Routing Table: 39787
Prefixes per ASN: 10.98
Origin-only ASes present in the Internet Routing Table: 34204
Origin ASes announcing only one prefix: 15952
Transit ASes present in the Internet Routing Table: 5583
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: 28
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 963
Unregistered ASNs in the Routing Table: 172
Number of 32-bit ASNs allocated by the RIRs: 3782
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 9340
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 198
Number of addresses announced to Internet: 2638558208
Equivalent to 157 /8s, 69 /16s and 52 /24s
Percentage of available address space announced: 71.3
Percentage of allocated address space announced: 71.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.3
Total number of prefixes smaller than registry allocations: 152625
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 100998
Total APNIC prefixes after maximum aggregation: 31609
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 102693
Unique aggregates announced from the APNIC address blocks: 43806
APNIC Region origin ASes present in the Internet Routing Table: 4762
APNIC Prefixes per ASN: 21.57
APNIC Region origin ASes announcing only one prefix: 1259
APNIC Region transit ASes present in the Internet Routing Table: 778
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: 717459200
Equivalent to 42 /8s, 195 /16s and 143 /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: 154640
Total ARIN prefixes after maximum aggregation: 78431
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 155337
Unique aggregates announced from the ARIN address blocks: 71210
ARIN Region origin ASes present in the Internet Routing Table: 15405
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5839
ARIN Region transit ASes present in the Internet Routing Table: 1542
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: 0
Number of ARIN addresses announced to Internet: 1076348672
Equivalent to 64 /8s, 39 /16s and 199 /24s
Percentage of available ARIN address space announced: 56.9
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: 113903
Total RIPE prefixes after maximum aggregation: 58753
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117153
Unique aggregates announced from the RIPE address blocks: 74907
RIPE Region origin ASes present in the Internet Routing Table: 17054
RIPE Prefixes per ASN: 6.87
RIPE Region origin ASes announcing only one prefix: 8147
RIPE Region transit ASes present in the Internet Routing Table: 2736
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 653656832
Equivalent to 38 /8s, 246 /16s and 3 /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: 46325
Total LACNIC prefixes after maximum aggregation: 9011
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 50008
Unique aggregates announced from the LACNIC address blocks: 23610
LACNIC Region origin ASes present in the Internet Routing Table: 1814
LACNIC Prefixes per ASN: 27.57
LACNIC Region origin ASes announcing only one prefix: 530
LACNIC Region transit ASes present in the Internet Routing Table: 329
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: 123201280
Equivalent to 7 /8s, 87 /16s and 231 /24s
Percentage of available LACNIC address space announced: 73.4
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: 10804
Total AfriNIC prefixes after maximum aggregation: 2418
AfriNIC Deaggregation factor: 4.47
Prefixes being announced from the AfriNIC address blocks: 11388
Unique aggregates announced from the AfriNIC address blocks: 3712
AfriNIC Region origin ASes present in the Internet Routing Table: 599
AfriNIC Prefixes per ASN: 19.01
AfriNIC Region origin ASes announcing only one prefix: 177
AfriNIC Region transit ASes present in the Internet Routing Table: 130
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: 45272832
Equivalent to 2 /8s, 178 /16s and 207 /24s
Percentage of available AfriNIC address space announced: 45.0
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 2476 820 79 PT Telekomunikasi Indonesia
4766 2121 11550 627 Korea Telecom (KIX)
7545 1822 301 89 TPG Internet Pty Ltd
4755 1679 382 189 TATA Communications formerly
9829 1425 1140 43 National Internet Backbone
9583 1199 90 504 Sify Limited
7552 1150 1070 12 Vietel Corporation
9498 1063 310 75 BHARTI Airtel Ltd.
24560 1047 385 160 Bharti Airtel Ltd., Telemedia
18101 1009 135 171 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 3054 3695 95 BellSouth.net Inc.
7029 2166 1265 210 Windstream Communications Inc
18566 2076 382 183 Covad Communications Co.
22773 1991 2931 127 Cox Communications Inc.
1785 1958 677 124 PaeTec Communications, Inc.
20115 1693 1610 618 Charter Communications
4323 1602 1155 397 tw telecom holdings, inc.
30036 1352 289 681 Mediacom Communications Corp
7018 1314 10586 865 AT&T Services, Inc.
7011 1209 319 691 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 1795 544 16 Corbina telecom
2118 1115 97 13 EUnet/RELCOM Autonomous Syste
34984 1061 232 207 BILISIM TELEKOM
13188 841 99 22 Ukraine
12479 829 783 68 France Telecom Espana SA
31148 762 39 20 FreeNet ISP
20940 750 253 594 Akamai Technologies European
8551 731 367 39 Bezeq International
6830 713 2313 434 UPC Broadband
34744 675 186 28 SC GVM SISTEM 2003 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 2370 1330 84 Types of queries are: POCs, o
10620 2325 399 226 Types of queries are: POCs, o
7303 1681 1147 207 Telecom Argentina S.A.
6503 1380 435 69 Axtel, S.A.B. de C.V.
8151 1230 2815 389 Uninet S.A. de C.V.
14754 939 128 75 Telgua
18881 781 716 18 Global Village Telecom
27947 759 87 93 Telconet S.A
3816 689 307 87 Types of queries are: POCs, o
7738 613 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
36998 1286 80 4 MOBITEL
24863 893 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 529 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
37054 206 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 3054 3695 95 BellSouth.net Inc.
17974 2476 820 79 PT Telekomunikasi Indonesia
28573 2370 1330 84 Types of queries are: POCs, o
10620 2325 399 226 Types of queries are: POCs, o
7029 2166 1265 210 Windstream Communications Inc
4766 2121 11550 627 Korea Telecom (KIX)
18566 2076 382 183 Covad Communications Co.
22773 1991 2931 127 Cox Communications Inc.
1785 1958 677 124 PaeTec Communications, Inc.
7545 1822 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 2476 2397 PT Telekomunikasi Indonesia
28573 2370 2286 Types of queries are: POCs, o
10620 2325 2099 Types of queries are: POCs, o
7029 2166 1956 Windstream Communications Inc
18566 2076 1893 Covad Communications Co.
22773 1991 1864 Cox Communications Inc.
1785 1958 1834 PaeTec Communications, Inc.
8402 1795 1779 Corbina telecom
7545 1822 1733 TPG Internet Pty Ltd
4766 2121 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
128.0.16.0/21 43568 Romerike Bredband AS
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
128.0.72.0/21 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
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
/13:479 /14:864 /15:1555 /16:12545 /17:6600 /18:10918
/19:21676 /20:31180 /21:33293 /22:45210 /23:40717 /24:230746
/25:9 /26:11 /27:11 /28:141 /29:192 /30:94
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2026 2076 Covad Communications Co.
6389 1755 3054 BellSouth.net Inc.
7029 1554 2166 Windstream Communications Inc
8402 1526 1795 Corbina telecom
22773 1304 1991 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1240 1352 Mediacom Communications Corp
11492 1170 1208 CABLE ONE, INC.
1785 1039 1958 PaeTec Communications, Inc.
7011 959 1209 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:674 2:744 3:3 4:13 5:751 6:3
8:499 12:1930 13:3 14:723 15:11 16:3
17:8 20:24 23:243 24:1796 27:1460 31:1147
32:49 33:2 34:5 36:11 37:1278 38:847
39:2 40:141 41:2792 42:175 44:3 46:1749
47:1 49:608 50:655 52:12 54:28 55:7
57:31 58:996 59:557 60:262 61:1318 62:1052
63:2026 64:4300 65:2165 66:4243 67:2034 68:1127
69:3257 70:861 71:524 72:1907 74:2548 75:416
76:291 77:1081 78:1026 79:568 80:1236 81:975
82:635 83:549 84:556 85:1133 86:474 87:899
88:378 89:1743 90:261 91:5418 92:624 93:1733
94:2070 95:1572 96:497 97:335 98:1037 99:49
100:29 101:306 103:2144 105:519 106:125 107:206
108:493 109:1787 110:821 111:1011 112:488 113:728
114:679 115:923 116:855 117:782 118:964 119:1231
120:364 121:689 122:1700 123:1185 124:1286 125:1303
128:500 129:187 130:303 131:633 132:316 133:143
134:248 135:62 136:220 137:229 138:341 139:166
140:192 141:299 142:503 143:375 144:474 145:88
146:523 147:343 148:694 149:350 150:154 151:401
152:400 153:191 154:28 155:369 156:240 157:344
158:263 159:629 160:334 161:398 162:367 163:194
164:573 165:441 166:436 167:575 168:978 169:129
170:1022 171:165 172:4 173:1588 174:575 175:422
176:1094 177:1680 178:1742 180:1379 181:236 182:1176
183:320 184:646 185:252 186:2286 187:1292 188:1920
189:1521 190:6568 192:6313 193:5658 194:4511 195:3492
196:1300 197:963 198:4110 199:5191 200:5975 201:2213
202:8647 203:8655 204:4424 205:2523 206:2697 207:2722
208:4056 209:3514 210:2786 211:1538 212:1985 213:1896
214:896 215:91 216:5195 217:1591 218:589 219:309
220:1261 221:550 222:328 223:464
End of report
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