Routing Table Report 08:00 +10GMT Fri 19 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 444028
Prefixes after maximum aggregation: 182395
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 222370
Total ASes present in the Internet Routing Table: 40146
Prefixes per ASN: 11.06
Origin-only ASes present in the Internet Routing Table: 34491
Origin ASes announcing only one prefix: 16095
Transit ASes present in the Internet Routing Table: 5647
Transit-only ASes present in the Internet Routing Table: 124
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN ( 36992) 21
Prefixes from unregistered ASNs in the Routing Table: 942
Unregistered ASNs in the Routing Table: 165
Number of 32-bit ASNs allocated by the RIRs: 4730
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10112
Special use prefixes present in the Routing Table: 28
Prefixes being announced from unallocated address space: 227
Number of addresses announced to Internet: 2634472728
Equivalent to 157 /8s, 6 /16s and 221 /24s
Percentage of available address space announced: 71.2
Percentage of allocated address space announced: 71.2
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: 154941
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102872
Total APNIC prefixes after maximum aggregation: 31983
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 104696
Unique aggregates announced from the APNIC address blocks: 44535
APNIC Region origin ASes present in the Internet Routing Table: 4776
APNIC Prefixes per ASN: 21.92
APNIC Region origin ASes announcing only one prefix: 1234
APNIC Region transit ASes present in the Internet Routing Table: 787
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: 719520000
Equivalent to 42 /8s, 227 /16s and 1 /24s
Percentage of available APNIC address space announced: 84.1
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: 156719
Total ARIN prefixes after maximum aggregation: 79296
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157392
Unique aggregates announced from the ARIN address blocks: 72531
ARIN Region origin ASes present in the Internet Routing Table: 15588
ARIN Prefixes per ASN: 10.10
ARIN Region origin ASes announcing only one prefix: 5952
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: 1062781952
Equivalent to 63 /8s, 88 /16s and 196 /24s
Percentage of available ARIN address space announced: 56.2
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: 116880
Total RIPE prefixes after maximum aggregation: 59358
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 120488
Unique aggregates announced from the RIPE address blocks: 77097
RIPE Region origin ASes present in the Internet Routing Table: 17113
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8155
RIPE Region transit ASes present in the Internet Routing Table: 2762
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656497688
Equivalent to 39 /8s, 33 /16s and 92 /24s
Percentage of available RIPE address space announced: 95.4
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: 46410
Total LACNIC prefixes after maximum aggregation: 9227
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 50398
Unique aggregates announced from the LACNIC address blocks: 24159
LACNIC Region origin ASes present in the Internet Routing Table: 1892
LACNIC Prefixes per ASN: 26.64
LACNIC Region origin ASes announcing only one prefix: 566
LACNIC Region transit ASes present in the Internet Routing Table: 347
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3
Number of LACNIC addresses announced to Internet: 126791936
Equivalent to 7 /8s, 142 /16s and 177 /24s
Percentage of available LACNIC address space announced: 75.6
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 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: 10273
Total AfriNIC prefixes after maximum aggregation: 2483
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 10826
Unique aggregates announced from the AfriNIC address blocks: 3835
AfriNIC Region origin ASes present in the Internet Routing Table: 617
AfriNIC Prefixes per ASN: 17.55
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 127
Average AfriNIC Region AS path length visible: 3.7
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: 46154752
Equivalent to 2 /8s, 192 /16s and 68 /24s
Percentage of available AfriNIC address space announced: 45.9
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 2513 839 90 PT Telekomunikasi Indonesia
4766 2141 11549 626 Korea Telecom (KIX)
7545 1882 320 109 TPG Internet Pty Ltd
4755 1716 392 198 TATA Communications formerly
9829 1512 1205 40 National Internet Backbone
9583 1261 96 532 Sify Limited
7552 1101 1064 12 Vietel Corporation
9498 1076 310 72 BHARTI Airtel Ltd.
24560 1067 385 164 Bharti Airtel Ltd., Telemedia
4808 1022 2002 299 CNCGROUP IP network China169
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 3694 87 BellSouth.net Inc.
7029 2118 1265 212 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
22773 2017 2929 125 Cox Communications Inc.
1785 1973 677 122 PaeTec Communications, Inc.
20115 1667 1611 611 Charter Communications
4323 1608 1154 397 tw telecom holdings, inc.
30036 1341 296 660 Mediacom Communications Corp
7018 1329 10840 866 AT&T Services, Inc.
11492 1238 228 334 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 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1151 233 206 BILISIM TELEKOM
12479 844 786 66 France Telecom Espana SA
13188 836 99 33 Ukraine
20940 809 286 647 Akamai Technologies European
31148 794 41 22 FreeNet ISP
6830 754 2318 441 UPC Broadband
8551 689 370 43 Bezeq International
58113 666 74 386 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 2625 1451 99 Types of queries are: POCs, o
10620 2365 409 218 Types of queries are: POCs, o
7303 1676 1153 211 Telecom Argentina S.A.
8151 1221 2690 393 Uninet S.A. de C.V.
6503 1065 451 71 Axtel, S.A.B. de C.V.
18881 858 717 19 Global Village Telecom
27947 778 88 96 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 699 307 87 Types of queries are: POCs, o
7738 650 1306 35 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 1137 80 4 MOBITEL
24863 695 274 33 LINKdotNET AS number
6713 535 617 25 Itissalat Al-MAGHRIB
8452 361 956 9 TEDATA
24835 275 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
37054 207 11 5 Data Telecom Service
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
33776 182 12 19 Starcomms Nigeria 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
6389 3037 3694 87 BellSouth.net Inc.
28573 2625 1451 99 Types of queries are: POCs, o
17974 2513 839 90 PT Telekomunikasi Indonesia
10620 2365 409 218 Types of queries are: POCs, o
4766 2141 11549 626 Korea Telecom (KIX)
7029 2118 1265 212 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
22773 2017 2929 125 Cox Communications Inc.
1785 1973 677 122 PaeTec Communications, Inc.
7545 1882 320 109 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
28573 2625 2526 Types of queries are: POCs, o
17974 2513 2423 PT Telekomunikasi Indonesia
10620 2365 2147 Types of queries are: POCs, o
7029 2118 1906 Windstream Communications Inc
22773 2017 1892 Cox Communications Inc.
18566 2064 1882 Covad Communications Co.
1785 1973 1851 PaeTec Communications, Inc.
7545 1882 1773 TPG Internet Pty Ltd
8402 1745 1729 Corbina telecom
4755 1716 1518 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 7018 AT&T Services, Inc.
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.
128.0.55.0/24 48571 SC efectRO SRL
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.61.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.62.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.63.0/24 9050 RTD-ROMTELECOM Autonomous Sys
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
62.61.220.0/24 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.
64.185.230.0/24 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 /8:17 /9:13 /10:30 /11:88 /12:250
/13:483 /14:882 /15:1562 /16:12643 /17:6635 /18:10888
/19:21785 /20:31862 /21:33664 /22:46288 /23:41370 /24:234969
/25:9 /26:11 /27:12 /28:139 /29:187 /30:113
/31:0 /32:128
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2015 2064 Covad Communications Co.
6389 1741 3037 BellSouth.net Inc.
7029 1577 2118 Windstream Communications Inc
8402 1452 1745 Corbina telecom
22773 1320 2017 Cox Communications Inc.
30036 1216 1341 Mediacom Communications Corp
11492 1197 1238 CABLE ONE, INC.
36998 1131 1137 MOBITEL
1785 1047 1973 PaeTec Communications, Inc.
6983 1006 1132 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:733 2:745 3:3 4:12 5:863 6:5
8:536 12:1914 13:3 14:748 15:11 16:3
17:9 20:18 23:269 24:1772 27:1448 31:1227
32:38 33:2 34:5 36:44 37:1819 38:860
39:2 40:169 41:2735 42:185 44:6 46:1767
47:2 49:624 50:666 52:12 54:30 55:7
57:30 58:1061 59:585 60:301 61:1442 62:1048
63:2042 64:4307 65:2175 66:4299 67:2070 68:1126
69:3239 70:872 71:528 72:1953 74:2571 75:413
76:295 77:1103 78:1043 79:533 80:1236 81:986
82:622 83:576 84:515 85:1170 86:466 87:960
88:527 89:1800 90:281 91:5489 92:622 93:1712
94:1847 95:1737 96:516 97:341 98:1051 99:38
100:28 101:316 103:2469 105:488 106:141 107:207
108:498 109:1783 110:851 111:1051 112:503 113:779
114:682 115:999 116:856 117:785 118:1030 119:1217
120:382 121:806 122:1703 123:1192 124:1296 125:1329
128:596 129:195 130:310 131:644 132:331 133:148
134:246 135:64 136:222 137:243 138:344 139:185
140:173 141:304 142:523 143:375 144:485 145:90
146:500 147:381 148:681 149:368 150:156 151:527
152:417 153:194 154:43 155:391 156:259 157:346
158:268 159:634 160:338 161:401 162:369 163:190
164:581 165:443 166:332 167:577 168:1015 169:132
170:1013 171:174 172:5 173:1602 174:591 175:453
176:1235 177:1875 178:1813 179:3 180:1400 181:384
182:1111 183:370 184:663 185:372 186:2327 187:1267
188:2017 189:1305 190:6048 192:6454 193:5833 194:4656
195:3636 196:1335 197:867 198:4279 199:5245 200:5906
201:2364 202:8689 203:8675 204:4458 205:2537 206:2730
207:2769 208:4060 209:3567 210:2827 211:1558 212:2069
213:1912 214:918 215:97 216:5179 217:1574 218:606
219:330 220:1269 221:548 222:311 223:451
End of report