Routing Table Report 08:00 +10GMT Tue 23 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 444314
Prefixes after maximum aggregation: 182528
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 222378
Total ASes present in the Internet Routing Table: 40179
Prefixes per ASN: 11.06
Origin-only ASes present in the Internet Routing Table: 34519
Origin ASes announcing only one prefix: 16110
Transit ASes present in the Internet Routing Table: 5652
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: 24
Max AS path prepend of ASN ( 36992) 21
Prefixes from unregistered ASNs in the Routing Table: 947
Unregistered ASNs in the Routing Table: 167
Number of 32-bit ASNs allocated by the RIRs: 4731
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10111
Special use prefixes present in the Routing Table: 28
Prefixes being announced from unallocated address space: 286
Number of addresses announced to Internet: 2634667288
Equivalent to 157 /8s, 9 /16s and 213 /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: 155082
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102918
Total APNIC prefixes after maximum aggregation: 32008
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 104775
Unique aggregates announced from the APNIC address blocks: 44561
APNIC Region origin ASes present in the Internet Routing Table: 4785
APNIC Prefixes per ASN: 21.90
APNIC Region origin ASes announcing only one prefix: 1241
APNIC Region transit ASes present in the Internet Routing Table: 781
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 719491584
Equivalent to 42 /8s, 226 /16s and 146 /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: 156814
Total ARIN prefixes after maximum aggregation: 79314
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157435
Unique aggregates announced from the ARIN address blocks: 72379
ARIN Region origin ASes present in the Internet Routing Table: 15589
ARIN Prefixes per ASN: 10.10
ARIN Region origin ASes announcing only one prefix: 5951
ARIN Region transit ASes present in the Internet Routing Table: 1563
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: 1062683392
Equivalent to 63 /8s, 87 /16s and 67 /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: 117043
Total RIPE prefixes after maximum aggregation: 59379
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 120635
Unique aggregates announced from the RIPE address blocks: 77157
RIPE Region origin ASes present in the Internet Routing Table: 17127
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8165
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: 656556056
Equivalent to 39 /8s, 34 /16s and 64 /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: 46492
Total LACNIC prefixes after maximum aggregation: 9280
LACNIC Deaggregation factor: 5.01
Prefixes being announced from the LACNIC address blocks: 50453
Unique aggregates announced from the LACNIC address blocks: 24148
LACNIC Region origin ASes present in the Internet Routing Table: 1889
LACNIC Prefixes per ASN: 26.71
LACNIC Region origin ASes announcing only one prefix: 564
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: 127084288
Equivalent to 7 /8s, 147 /16s and 39 /24s
Percentage of available LACNIC address space announced: 75.7
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: 10158
Total AfriNIC prefixes after maximum aggregation: 2499
AfriNIC Deaggregation factor: 4.06
Prefixes being announced from the AfriNIC address blocks: 10729
Unique aggregates announced from the AfriNIC address blocks: 3861
AfriNIC Region origin ASes present in the Internet Routing Table: 619
AfriNIC Prefixes per ASN: 17.33
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 128
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: 46071040
Equivalent to 2 /8s, 190 /16s and 253 /24s
Percentage of available AfriNIC address space announced: 45.8
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 2416 839 90 PT Telekomunikasi Indonesia
4766 2142 11549 626 Korea Telecom (KIX)
7545 1883 320 110 TPG Internet Pty Ltd
4755 1713 392 198 TATA Communications formerly
9829 1500 1205 40 National Internet Backbone
9583 1261 96 532 Sify Limited
7552 1167 1064 12 Vietel Corporation
9498 1079 310 72 BHARTI Airtel Ltd.
24560 1071 385 164 Bharti Airtel Ltd., Telemedia
4808 1026 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 86 BellSouth.net Inc.
7029 2089 1265 212 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
22773 1976 2929 125 Cox Communications Inc.
1785 1973 677 122 PaeTec Communications, Inc.
20115 1667 1609 612 Charter Communications
4323 1606 1155 398 tw telecom holdings, inc.
30036 1342 296 660 Mediacom Communications Corp
7018 1328 10838 864 AT&T Services, Inc.
11492 1239 228 330 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 1808 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1148 233 206 BILISIM TELEKOM
13188 853 99 33 Ukraine
12479 845 786 66 France Telecom Espana SA
20940 811 286 648 Akamai Technologies European
8551 808 370 43 Bezeq International
31148 794 41 22 FreeNet ISP
6830 754 2318 441 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 2620 1465 99 Types of queries are: POCs, o
10620 2374 411 217 Types of queries are: POCs, o
7303 1677 1153 212 Telecom Argentina S.A.
8151 1221 2688 393 Uninet S.A. de C.V.
6503 1063 451 70 Axtel, S.A.B. de C.V.
18881 859 717 19 Global Village Telecom
27947 779 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 687 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 360 956 9 TEDATA
24835 274 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
33776 182 12 19 Starcomms Nigeria Limited
16637 176 697 92 MTN Network Solutions
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 86 BellSouth.net Inc.
28573 2620 1465 99 Types of queries are: POCs, o
17974 2416 839 90 PT Telekomunikasi Indonesia
10620 2374 411 217 Types of queries are: POCs, o
4766 2142 11549 626 Korea Telecom (KIX)
7029 2089 1265 212 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
22773 1976 2929 125 Cox Communications Inc.
1785 1973 677 122 PaeTec Communications, Inc.
7545 1883 320 110 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 2620 2521 Types of queries are: POCs, o
17974 2416 2326 PT Telekomunikasi Indonesia
10620 2374 2157 Types of queries are: POCs, o
18566 2064 1882 Covad Communications Co.
7029 2089 1877 Windstream Communications Inc
22773 1976 1851 Cox Communications Inc.
1785 1973 1851 PaeTec Communications, Inc.
8402 1808 1792 Corbina telecom
7545 1883 1773 TPG Internet Pty Ltd
4766 2142 1516 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 /11:89 /12:250
/13:483 /14:883 /15:1560 /16:12645 /17:6623 /18:10917
/19:21799 /20:31869 /21:33667 /22:46403 /23:41353 /24:235098
/25:9 /26:11 /27:12 /28:138 /29:195 /30:121
/31:0 /32:129
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2015 2064 Covad Communications Co.
6389 1741 3036 BellSouth.net Inc.
7029 1548 2089 Windstream Communications Inc
8402 1517 1808 Corbina telecom
22773 1282 1976 Cox Communications Inc.
30036 1217 1342 Mediacom Communications Corp
11492 1198 1239 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)
----------------------------------------------
1:737 2:778 3:3 4:12 5:867 6:5
8:537 12:1922 13:3 14:751 15:11 16:3
17:9 20:18 23:269 24:1760 27:1469 31:1228
32:38 33:2 34:5 36:44 37:1821 38:859
39:2 40:169 41:2701 42:185 44:6 46:1787
47:2 49:629 50:665 52:12 54:30 55:6
57:30 58:1056 59:582 60:302 61:1438 62:1034
63:2032 64:4310 65:2175 66:4307 67:2072 68:1114
69:3237 70:870 71:528 72:1951 74:2572 75:408
76:297 77:1104 78:1044 79:583 80:1237 81:987
82:621 83:570 84:520 85:1170 86:471 87:981
88:528 89:1792 90:281 91:5483 92:623 93:1719
94:1839 95:1731 96:516 97:342 98:1049 99:38
100:28 101:316 103:2486 105:488 106:143 107:209
108:498 109:1841 110:858 111:1039 112:502 113:781
114:685 115:1003 116:869 117:785 118:1029 119:1227
120:392 121:811 122:1699 123:1188 124:1294 125:1332
128:594 129:195 130:310 131:644 132:334 133:148
134:245 135:64 136:222 137:240 138:344 139:186
140:173 141:304 142:523 143:377 144:484 145:91
146:500 147:389 148:682 149:369 150:156 151:531
152:417 153:195 154:43 155:391 156:260 157:346
158:276 159:639 160:338 161:401 162:372 163:191
164:583 165:444 166:331 167:579 168:1020 169:132
170:1023 171:175 172:5 173:1606 174:591 175:453
176:1247 177:1830 178:1816 179:3 180:1406 181:398
182:1123 183:371 184:662 185:385 186:2272 187:1270
188:2020 189:1300 190:6167 192:6472 193:5833 194:4661
195:3489 196:1312 197:832 198:4290 199:5251 200:5863
201:2401 202:8705 203:8674 204:4445 205:2542 206:2730
207:2772 208:4057 209:3570 210:2831 211:1541 212:2061
213:1903 214:914 215:96 216:5187 217:1577 218:606
219:330 220:1269 221:548 222:312 223:446
End of report