Routing Table Report 08:00 +10GMT Thu 25 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 445137
Prefixes after maximum aggregation: 182670
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 222702
Total ASes present in the Internet Routing Table: 40207
Prefixes per ASN: 11.07
Origin-only ASes present in the Internet Routing Table: 34539
Origin ASes announcing only one prefix: 16117
Transit ASes present in the Internet Routing Table: 5660
Transit-only ASes present in the Internet Routing Table: 139
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: 885
Unregistered ASNs in the Routing Table: 163
Number of 32-bit ASNs allocated by the RIRs: 4738
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10089
Special use prefixes present in the Routing Table: 28
Prefixes being announced from unallocated address space: 225
Number of addresses announced to Internet: 2635362840
Equivalent to 157 /8s, 20 /16s and 114 /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: 155196
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103191
Total APNIC prefixes after maximum aggregation: 31987
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 105051
Unique aggregates announced from the APNIC address blocks: 44487
APNIC Region origin ASes present in the Internet Routing Table: 4788
APNIC Prefixes per ASN: 21.94
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 785
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: 719490048
Equivalent to 42 /8s, 226 /16s and 140 /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: 157204
Total ARIN prefixes after maximum aggregation: 79404
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157894
Unique aggregates announced from the ARIN address blocks: 72700
ARIN Region origin ASes present in the Internet Routing Table: 15596
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5960
ARIN Region transit ASes present in the Internet Routing Table: 1565
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: 1063065856
Equivalent to 63 /8s, 93 /16s and 25 /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: 116960
Total RIPE prefixes after maximum aggregation: 59411
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 120509
Unique aggregates announced from the RIPE address blocks: 77118
RIPE Region origin ASes present in the Internet Routing Table: 17129
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8162
RIPE Region transit ASes present in the Internet Routing Table: 2763
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: 656655896
Equivalent to 39 /8s, 35 /16s and 198 /24s
Percentage of available RIPE address space announced: 95.5
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: 46752
Total LACNIC prefixes after maximum aggregation: 9313
LACNIC Deaggregation factor: 5.02
Prefixes being announced from the LACNIC address blocks: 50669
Unique aggregates announced from the LACNIC address blocks: 24312
LACNIC Region origin ASes present in the Internet Routing Table: 1895
LACNIC Prefixes per ASN: 26.74
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: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3
Number of LACNIC addresses announced to Internet: 127133952
Equivalent to 7 /8s, 147 /16s and 233 /24s
Percentage of available LACNIC address space announced: 75.8
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: 10208
Total AfriNIC prefixes after maximum aggregation: 2513
AfriNIC Deaggregation factor: 4.06
Prefixes being announced from the AfriNIC address blocks: 10788
Unique aggregates announced from the AfriNIC address blocks: 3874
AfriNIC Region origin ASes present in the Internet Routing Table: 623
AfriNIC Prefixes per ASN: 17.32
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 129
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: 46258688
Equivalent to 2 /8s, 193 /16s and 218 /24s
Percentage of available AfriNIC address space announced: 46.0
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 2512 839 90 PT Telekomunikasi Indonesia
4766 2142 11549 626 Korea Telecom (KIX)
7545 1882 320 108 TPG Internet Pty Ltd
4755 1713 392 198 TATA Communications formerly
9829 1510 1205 40 National Internet Backbone
9583 1269 96 532 Sify Limited
7552 1155 1064 12 Vietel Corporation
9498 1082 310 72 BHARTI Airtel Ltd.
24560 1071 385 164 Bharti Airtel Ltd., Telemedia
4808 1027 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 2119 1265 212 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1983 677 123 PaeTec Communications, Inc.
22773 1975 2929 125 Cox Communications Inc.
20115 1667 1609 612 Charter Communications
4323 1606 1155 398 tw telecom holdings, inc.
30036 1345 297 660 Mediacom Communications Corp
7018 1330 10838 866 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 1778 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1148 233 206 BILISIM TELEKOM
12479 844 786 66 France Telecom Espana SA
13188 833 99 70 Ukraine
20940 814 286 649 Akamai Technologies European
8551 811 370 43 Bezeq International
31148 795 41 22 FreeNet ISP
6830 777 2377 448 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 2659 1468 102 Types of queries are: POCs, o
10620 2380 413 218 Types of queries are: POCs, o
7303 1679 1153 214 Telecom Argentina S.A.
8151 1221 2688 393 Uninet S.A. de C.V.
6503 1064 451 71 Axtel, S.A.B. de C.V.
18881 861 717 20 Global Village Telecom
27947 778 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 685 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 388 956 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
16637 176 697 92 MTN Network Solutions
33776 164 11 18 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 86 BellSouth.net Inc.
28573 2659 1468 102 Types of queries are: POCs, o
17974 2512 839 90 PT Telekomunikasi Indonesia
10620 2380 413 218 Types of queries are: POCs, o
4766 2142 11549 626 Korea Telecom (KIX)
7029 2119 1265 212 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1983 677 123 PaeTec Communications, Inc.
22773 1975 2929 125 Cox Communications Inc.
7545 1882 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 2659 2557 Types of queries are: POCs, o
17974 2512 2422 PT Telekomunikasi Indonesia
10620 2380 2162 Types of queries are: POCs, o
7029 2119 1907 Windstream Communications Inc
18566 2064 1882 Covad Communications Co.
1785 1983 1860 PaeTec Communications, Inc.
22773 1975 1850 Cox Communications Inc.
7545 1882 1774 TPG Internet Pty Ltd
8402 1778 1762 Corbina telecom
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 /11:88 /12:250
/13:483 /14:883 /15:1565 /16:12647 /17:6643 /18:11019
/19:21921 /20:31981 /21:33768 /22:46481 /23:41407 /24:235322
/25:9 /26:11 /27:12 /28:139 /29:195 /30:121
/31:0 /32:132
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 1578 2119 Windstream Communications Inc
8402 1482 1778 Corbina telecom
22773 1280 1975 Cox Communications Inc.
30036 1219 1345 Mediacom Communications Corp
11492 1198 1239 CABLE ONE, INC.
36998 1131 1137 MOBITEL
1785 1056 1983 PaeTec Communications, Inc.
6983 1006 1131 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:738 2:774 3:3 4:12 5:871 6:5
8:544 12:1918 13:3 14:752 15:11 16:3
17:9 20:18 23:271 24:1760 27:1472 31:1219
32:38 33:2 34:5 36:44 37:1803 38:858
39:2 40:169 41:2711 42:185 44:6 46:1804
47:2 49:629 50:673 52:12 54:30 55:8
57:30 58:1058 59:583 60:302 61:1436 62:1037
63:2036 64:4313 65:2175 66:4311 67:2073 68:1117
69:3239 70:874 71:532 72:1954 74:2569 75:415
76:298 77:1076 78:1043 79:583 80:1257 81:985
82:631 83:583 84:523 85:1166 86:462 87:980
88:525 89:1793 90:281 91:5495 92:625 93:1717
94:1829 95:1556 96:521 97:343 98:1049 99:38
100:28 101:317 103:2497 105:488 106:143 107:209
108:498 109:1832 110:858 111:1040 112:500 113:768
114:690 115:998 116:872 117:784 118:1041 119:1225
120:395 121:812 122:1713 123:1221 124:1292 125:1331
128:599 129:195 130:310 131:645 132:334 133:148
134:246 135:64 136:202 137:245 138:344 139:188
140:174 141:309 142:525 143:379 144:486 145:92
146:502 147:390 148:681 149:369 150:156 151:532
152:417 153:195 154:43 155:392 156:261 157:346
158:275 159:638 160:338 161:400 162:384 163:194
164:583 165:418 166:330 167:580 168:1021 169:132
170:1026 171:176 172:5 173:1609 174:586 175:455
176:1258 177:1860 178:1822 179:3 180:1406 181:405
182:1127 183:372 184:670 185:392 186:2272 187:1315
188:2032 189:1352 190:6172 192:6482 193:5829 194:4659
195:3493 196:1315 197:836 198:4300 199:5240 200:5877
201:2409 202:8701 203:8678 204:4448 205:2543 206:2742
207:2772 208:4061 209:3574 210:2839 211:1544 212:2066
213:1910 214:921 215:96 216:5191 217:1574 218:606
219:329 220:1269 221:553 222:315 223:444
End of report