Routing Table Report 08:00 +10GMT Mon 29 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 445966
Prefixes after maximum aggregation: 182774
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 223134
Total ASes present in the Internet Routing Table: 40219
Prefixes per ASN: 11.09
Origin-only ASes present in the Internet Routing Table: 34553
Origin ASes announcing only one prefix: 16112
Transit ASes present in the Internet Routing Table: 5658
Transit-only ASes present in the Internet Routing Table: 133
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN ( 49327) 21
Prefixes from unregistered ASNs in the Routing Table: 896
Unregistered ASNs in the Routing Table: 163
Number of 32-bit ASNs allocated by the RIRs: 4742
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10125
Special use prefixes present in the Routing Table: 28
Prefixes being announced from unallocated address space: 198
Number of addresses announced to Internet: 2636568856
Equivalent to 157 /8s, 38 /16s and 217 /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: 155888
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102919
Total APNIC prefixes after maximum aggregation: 32003
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 104783
Unique aggregates announced from the APNIC address blocks: 44572
APNIC Region origin ASes present in the Internet Routing Table: 4787
APNIC Prefixes per ASN: 21.89
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 790
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: 719615488
Equivalent to 42 /8s, 228 /16s and 118 /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: 157400
Total ARIN prefixes after maximum aggregation: 79464
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158081
Unique aggregates announced from the ARIN address blocks: 72843
ARIN Region origin ASes present in the Internet Routing Table: 15600
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5953
ARIN Region transit ASes present in the Internet Routing Table: 1566
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: 1063024128
Equivalent to 63 /8s, 92 /16s and 118 /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: 116992
Total RIPE prefixes after maximum aggregation: 59463
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 120571
Unique aggregates announced from the RIPE address blocks: 77330
RIPE Region origin ASes present in the Internet Routing Table: 17136
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8153
RIPE Region transit ASes present in the Internet Routing Table: 2760
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: 656944664
Equivalent to 39 /8s, 40 /16s and 46 /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: 47062
Total LACNIC prefixes after maximum aggregation: 9307
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 51006
Unique aggregates announced from the LACNIC address blocks: 24381
LACNIC Region origin ASes present in the Internet Routing Table: 1907
LACNIC Prefixes per ASN: 26.75
LACNIC Region origin ASes announcing only one prefix: 574
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: 127990016
Equivalent to 7 /8s, 160 /16s and 249 /24s
Percentage of available LACNIC address space announced: 76.3
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: 10740
Total AfriNIC prefixes after maximum aggregation: 2497
AfriNIC Deaggregation factor: 4.30
Prefixes being announced from the AfriNIC address blocks: 11326
Unique aggregates announced from the AfriNIC address blocks: 3824
AfriNIC Region origin ASes present in the Internet Routing Table: 621
AfriNIC Prefixes per ASN: 18.24
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 128
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1
Number of AfriNIC addresses announced to Internet: 46320384
Equivalent to 2 /8s, 194 /16s and 203 /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 2511 839 90 PT Telekomunikasi Indonesia
4766 2141 11550 626 Korea Telecom (KIX)
7545 1883 320 109 TPG Internet Pty Ltd
4755 1699 390 190 TATA Communications formerly
9829 1507 1205 40 National Internet Backbone
9583 1261 96 532 Sify Limited
7552 1161 1064 12 Vietel Corporation
9498 1092 310 73 BHARTI Airtel Ltd.
24560 1071 385 164 Bharti Airtel Ltd., Telemedia
4808 1030 2002 301 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 3033 3694 86 BellSouth.net Inc.
7029 2096 1265 212 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1989 677 124 PaeTec Communications, Inc.
22773 1970 2929 125 Cox Communications Inc.
20115 1667 1609 612 Charter Communications
4323 1606 1155 398 tw telecom holdings, inc.
30036 1340 298 655 Mediacom Communications Corp
7018 1329 10838 867 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 1764 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1150 233 207 BILISIM TELEKOM
12479 839 785 66 France Telecom Espana SA
13188 833 99 70 Ukraine
20940 815 286 650 Akamai Technologies European
8551 811 370 43 Bezeq International
31148 797 41 21 FreeNet ISP
6830 763 2375 434 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 2696 1469 103 Types of queries are: POCs, o
10620 2384 413 215 Types of queries are: POCs, o
7303 1683 1154 215 Telecom Argentina S.A.
8151 1222 2690 393 Uninet S.A. de C.V.
6503 1062 435 69 Axtel, S.A.B. de C.V.
18881 908 780 19 Global Village Telecom
27947 785 88 94 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 699 307 87 Types of queries are: POCs, o
7738 698 1370 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 1286 80 4 MOBITEL
24863 751 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 461 956 9 TEDATA
24835 274 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
37054 209 11 5 Data Telecom Service
12258 193 28 67 Vodacom Internet Company
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 3033 3694 86 BellSouth.net Inc.
28573 2696 1469 103 Types of queries are: POCs, o
17974 2511 839 90 PT Telekomunikasi Indonesia
10620 2384 413 215 Types of queries are: POCs, o
4766 2141 11550 626 Korea Telecom (KIX)
7029 2096 1265 212 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1989 677 124 PaeTec Communications, Inc.
22773 1970 2929 125 Cox Communications Inc.
7545 1883 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 2696 2593 Types of queries are: POCs, o
17974 2511 2421 PT Telekomunikasi Indonesia
10620 2384 2169 Types of queries are: POCs, o
7029 2096 1884 Windstream Communications Inc
18566 2064 1882 Covad Communications Co.
1785 1989 1865 PaeTec Communications, Inc.
22773 1970 1845 Cox Communications Inc.
7545 1883 1774 TPG Internet Pty Ltd
8402 1764 1748 Corbina telecom
4766 2141 1515 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 /12:251
/13:485 /14:883 /15:1567 /16:12640 /17:6655 /18:11017
/19:22015 /20:31955 /21:33826 /22:46537 /23:41540 /24:235840
/25:9 /26:11 /27:12 /28:136 /29:190 /30:121
/31:0 /32:128
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2015 2064 Covad Communications Co.
6389 1738 3033 BellSouth.net Inc.
7029 1576 2096 Windstream Communications Inc
8402 1468 1764 Corbina telecom
22773 1280 1970 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1214 1340 Mediacom Communications Corp
11492 1198 1239 CABLE ONE, INC.
1785 1060 1989 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)
----------------------------------------------
1:742 2:758 3:3 4:12 5:876 6:5
8:542 12:1917 13:3 14:753 15:11 16:3
17:9 20:18 23:272 24:1759 27:1491 31:1276
32:38 33:2 34:5 36:44 37:1803 38:860
39:2 40:171 41:2838 42:186 44:6 46:1862
47:2 49:628 50:675 52:12 54:32 55:8
57:29 58:1055 59:560 60:303 61:1372 62:1043
63:2034 64:4314 65:2170 66:4313 67:2066 68:1117
69:3242 70:874 71:532 72:1954 74:2550 75:416
76:289 77:1079 78:1051 79:587 80:1245 81:988
82:621 83:570 84:504 85:1162 86:461 87:979
88:527 89:1795 90:280 91:5499 92:618 93:1719
94:1852 95:1539 96:522 97:343 98:1046 99:38
100:28 101:317 103:2487 105:520 106:144 107:209
108:499 109:1836 110:861 111:1040 112:500 113:771
114:693 115:927 116:871 117:784 118:1063 119:1216
120:395 121:709 122:1715 123:1230 124:1302 125:1334
128:598 129:194 130:310 131:645 132:334 133:148
134:245 135:64 136:222 137:245 138:346 139:194
140:180 141:310 142:531 143:373 144:485 145:92
146:503 147:384 148:680 149:368 150:152 151:533
152:418 153:195 154:38 155:396 156:262 157:346
158:275 159:640 160:337 161:402 162:394 163:200
164:588 165:444 166:308 167:581 168:1022 169:132
170:1024 171:177 172:5 173:1602 174:591 175:456
176:1267 177:1890 178:1833 179:5 180:1409 181:412
182:1134 183:383 184:669 185:396 186:2305 187:1309
188:2045 189:1375 190:6164 192:6496 193:5840 194:4658
195:3493 196:1334 197:1003 198:4335 199:5248 200:5885
201:2394 202:8712 203:8712 204:4443 205:2544 206:2752
207:2788 208:4059 209:3603 210:2828 211:1544 212:2077
213:1897 214:904 215:98 216:5225 217:1570 218:606
219:314 220:1270 221:554 222:315 223:441
End of report
