Routing Table Report 08:00 +10GMT Wed 17 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 443843
Prefixes after maximum aggregation: 182364
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 222171
Total ASes present in the Internet Routing Table: 40130
Prefixes per ASN: 11.06
Origin-only ASes present in the Internet Routing Table: 34484
Origin ASes announcing only one prefix: 16091
Transit ASes present in the Internet Routing Table: 5638
Transit-only ASes present in the Internet Routing Table: 123
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: 950
Unregistered ASNs in the Routing Table: 165
Number of 32-bit ASNs allocated by the RIRs: 4727
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10086
Special use prefixes present in the Routing Table: 28
Prefixes being announced from unallocated address space: 226
Number of addresses announced to Internet: 2634287360
Equivalent to 157 /8s, 4 /16s and 9 /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: 154896
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102837
Total APNIC prefixes after maximum aggregation: 31966
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 104666
Unique aggregates announced from the APNIC address blocks: 44482
APNIC Region origin ASes present in the Internet Routing Table: 4771
APNIC Prefixes per ASN: 21.94
APNIC Region origin ASes announcing only one prefix: 1238
APNIC Region transit ASes present in the Internet Routing Table: 783
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: 719417856
Equivalent to 42 /8s, 225 /16s and 114 /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: 156576
Total ARIN prefixes after maximum aggregation: 79207
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157253
Unique aggregates announced from the ARIN address blocks: 72500
ARIN Region origin ASes present in the Internet Routing Table: 15572
ARIN Prefixes per ASN: 10.10
ARIN Region origin ASes announcing only one prefix: 5935
ARIN Region transit ASes present in the Internet Routing Table: 1553
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: 1062679040
Equivalent to 63 /8s, 87 /16s and 50 /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: 116907
Total RIPE prefixes after maximum aggregation: 59349
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 120482
Unique aggregates announced from the RIPE address blocks: 77007
RIPE Region origin ASes present in the Internet Routing Table: 17124
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8166
RIPE Region transit ASes present in the Internet Routing Table: 2761
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: 656499456
Equivalent to 39 /8s, 33 /16s and 99 /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: 46435
Total LACNIC prefixes after maximum aggregation: 9290
LACNIC Deaggregation factor: 5.00
Prefixes being announced from the LACNIC address blocks: 50384
Unique aggregates announced from the LACNIC address blocks: 24122
LACNIC Region origin ASes present in the Internet Routing Table: 1885
LACNIC Prefixes per ASN: 26.73
LACNIC Region origin ASes announcing only one prefix: 562
LACNIC Region transit ASes present in the Internet Routing Table: 345
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: 126794240
Equivalent to 7 /8s, 142 /16s and 186 /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: 10238
Total AfriNIC prefixes after maximum aggregation: 2504
AfriNIC Deaggregation factor: 4.09
Prefixes being announced from the AfriNIC address blocks: 10831
Unique aggregates announced from the AfriNIC address blocks: 3852
AfriNIC Region origin ASes present in the Internet Routing Table: 619
AfriNIC Prefixes per ASN: 17.50
AfriNIC Region origin ASes announcing only one prefix: 190
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: 46179072
Equivalent to 2 /8s, 192 /16s and 163 /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 2511 839 89 PT Telekomunikasi Indonesia
4766 2145 11550 627 Korea Telecom (KIX)
7545 1881 320 108 TPG Internet Pty Ltd
4755 1712 392 198 TATA Communications formerly
9829 1511 1205 40 National Internet Backbone
9583 1260 96 532 Sify Limited
7552 1168 1066 12 Vietel Corporation
9498 1075 309 73 BHARTI Airtel Ltd.
24560 1068 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 3036 3694 87 BellSouth.net Inc.
7029 2106 1265 212 Windstream Communications Inc
18566 2066 381 182 Covad Communications Co.
22773 2016 2929 125 Cox Communications Inc.
1785 1973 677 122 PaeTec Communications, Inc.
20115 1667 1610 610 Charter Communications
4323 1608 1154 397 tw telecom holdings, inc.
30036 1340 296 660 Mediacom Communications Corp
7018 1327 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 1750 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1149 233 207 BILISIM TELEKOM
12479 845 786 66 France Telecom Espana SA
13188 836 99 33 Ukraine
20940 815 288 651 Akamai Technologies European
8551 802 370 43 Bezeq International
31148 794 41 22 FreeNet ISP
6830 755 2318 442 UPC Broadband
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 2628 1451 100 Types of queries are: POCs, o
10620 2366 409 218 Types of queries are: POCs, o
7303 1676 1153 211 Telecom Argentina S.A.
8151 1220 2688 393 Uninet S.A. de C.V.
6503 1106 435 70 Axtel, S.A.B. de C.V.
18881 857 716 18 Global Village Telecom
27947 779 88 97 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 693 274 33 LINKdotNET AS number
6713 536 617 25 Itissalat Al-MAGHRIB
8452 360 956 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 181 12 20 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 3036 3694 87 BellSouth.net Inc.
28573 2628 1451 100 Types of queries are: POCs, o
17974 2511 839 89 PT Telekomunikasi Indonesia
10620 2366 409 218 Types of queries are: POCs, o
4766 2145 11550 627 Korea Telecom (KIX)
7029 2106 1265 212 Windstream Communications Inc
18566 2066 381 182 Covad Communications Co.
22773 2016 2929 125 Cox Communications Inc.
1785 1973 677 122 PaeTec Communications, Inc.
7545 1881 320 108 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 2628 2528 Types of queries are: POCs, o
17974 2511 2422 PT Telekomunikasi Indonesia
10620 2366 2148 Types of queries are: POCs, o
7029 2106 1894 Windstream Communications Inc
22773 2016 1891 Cox Communications Inc.
18566 2066 1884 Covad Communications Co.
1785 1973 1851 PaeTec Communications, Inc.
7545 1881 1773 TPG Internet Pty Ltd
8402 1750 1734 Corbina telecom
4766 2145 1518 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 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 /15:1561 /16:12647 /17:6637 /18:10889
/19:21784 /20:31904 /21:33640 /22:46233 /23:41351 /24:234834
/25:9 /26:11 /27:12 /28:140 /29:190 /30:107
/31:0 /32:131
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications Co.
6389 1741 3036 BellSouth.net Inc.
7029 1568 2106 Windstream Communications Inc
8402 1458 1750 Corbina telecom
22773 1320 2016 Cox Communications Inc.
30036 1215 1340 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)
----------------------------------------------
1:730 2:757 3:3 4:12 5:862 6:5
8:537 12:1916 13:3 14:745 15:11 16:3
17:9 20:18 23:265 24:1772 27:1458 31:1217
32:38 33:2 34:5 36:43 37:1826 38:856
39:2 40:169 41:2748 42:185 44:6 46:1774
47:2 49:621 50:665 52:12 54:30 55:7
57:30 58:1060 59:581 60:302 61:1435 62:1046
63:2041 64:4305 65:2174 66:4308 67:2072 68:1126
69:3238 70:875 71:528 72:1921 74:2574 75:411
76:294 77:1100 78:1050 79:582 80:1237 81:982
82:623 83:575 84:526 85:1168 86:465 87:959
88:527 89:1792 90:277 91:5493 92:620 93:1702
94:1854 95:1684 96:519 97:341 98:1051 99:38
100:28 101:311 103:2444 105:488 106:136 107:207
108:497 109:1812 110:844 111:1047 112:501 113:770
114:683 115:999 116:857 117:781 118:1014 119:1222
120:383 121:805 122:1697 123:1189 124:1299 125:1330
128:595 129:195 130:309 131:649 132:333 133:148
134:246 135:62 136:222 137:245 138:343 139:184
140:172 141:304 142:525 143:369 144:485 145:90
146:499 147:382 148:684 149:366 150:157 151:526
152:414 153:194 154:43 155:391 156:253 157:346
158:268 159:632 160:335 161:398 162:367 163:190
164:584 165:444 166:331 167:577 168:1021 169:132
170:1023 171:174 172:5 173:1602 174:586 175:446
176:1219 177:1883 178:1812 179:2 180:1394 181:383
182:1110 183:370 184:663 185:366 186:2301 187:1257
188:2014 189:1316 190:6026 192:6449 193:5833 194:4648
195:3644 196:1337 197:870 198:4276 199:5235 200:5927
201:2365 202:8708 203:8679 204:4454 205:2531 206:2726
207:2768 208:4061 209:3564 210:2821 211:1555 212:2074
213:1902 214:936 215:98 216:5188 217:1572 218:607
219:329 220:1267 221:548 222:311 223:445
End of report