* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 31 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 447742
Prefixes after maximum aggregation: 183179
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 224375
Total ASes present in the Internet Routing Table: 40356
Prefixes per ASN: 11.09
Origin-only ASes present in the Internet Routing Table: 34655
Origin ASes announcing only one prefix: 16170
Transit ASes present in the Internet Routing Table: 5693
Transit-only ASes present in the Internet Routing Table: 138
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 62
Max AS path prepend of ASN ( 56484) 51
Prefixes from unregistered ASNs in the Routing Table: 809
Unregistered ASNs in the Routing Table: 159
Number of 32-bit ASNs allocated by the RIRs: 4780
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10415
Special use prefixes present in the Routing Table: 31
Prefixes being announced from unallocated address space: 252
Number of addresses announced to Internet: 2640505344
Equivalent to 157 /8s, 98 /16s and 234 /24s
Percentage of available address space announced: 71.3
Percentage of allocated address space announced: 71.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.5
Total number of prefixes smaller than registry allocations: 156334
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103055
Total APNIC prefixes after maximum aggregation: 32018
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 105049
Unique aggregates announced from the APNIC address blocks: 44719
APNIC Region origin ASes present in the Internet Routing Table: 4772
APNIC Prefixes per ASN: 22.01
APNIC Region origin ASes announcing only one prefix: 1243
APNIC Region transit ASes present in the Internet Routing Table: 782
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 721123584
Equivalent to 42 /8s, 251 /16s and 121 /24s
Percentage of available APNIC address space announced: 84.3
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: 158036
Total ARIN prefixes after maximum aggregation: 79583
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 158646
Unique aggregates announced from the ARIN address blocks: 73341
ARIN Region origin ASes present in the Internet Routing Table: 15648
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5971
ARIN Region transit ASes present in the Internet Routing Table: 1585
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: 1063380992
Equivalent to 63 /8s, 97 /16s and 232 /24s
Percentage of available ARIN address space announced: 56.3
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: 117145
Total RIPE prefixes after maximum aggregation: 59778
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120711
Unique aggregates announced from the RIPE address blocks: 77855
RIPE Region origin ASes present in the Internet Routing Table: 17194
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8183
RIPE Region transit ASes present in the Internet Routing Table: 2775
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 62
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656648704
Equivalent to 39 /8s, 35 /16s and 170 /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: 47344
Total LACNIC prefixes after maximum aggregation: 9234
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 51476
Unique aggregates announced from the LACNIC address blocks: 24340
LACNIC Region origin ASes present in the Internet Routing Table: 1938
LACNIC Prefixes per ASN: 26.56
LACNIC Region origin ASes announcing only one prefix: 582
LACNIC Region transit ASes present in the Internet Routing Table: 348
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: 130207232
Equivalent to 7 /8s, 194 /16s and 206 /24s
Percentage of available LACNIC address space announced: 77.6
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: 11013
Total AfriNIC prefixes after maximum aggregation: 2526
AfriNIC Deaggregation factor: 4.36
Prefixes being announced from the AfriNIC address blocks: 11607
Unique aggregates announced from the AfriNIC address blocks: 3883
AfriNIC Region origin ASes present in the Internet Routing Table: 631
AfriNIC Prefixes per ASN: 18.39
AfriNIC Region origin ASes announcing only one prefix: 191
AfriNIC Region transit ASes present in the Internet Routing Table: 131
Average AfriNIC Region AS path length visible: 3.4
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: 46568704
Equivalent to 2 /8s, 198 /16s and 149 /24s
Percentage of available AfriNIC address space announced: 46.3
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 86 PT Telekomunikasi Indonesia
4766 2145 11551 627 Korea Telecom (KIX)
7545 1978 320 108 TPG Internet Pty Ltd
4755 1707 390 190 TATA Communications formerly
9829 1514 1205 40 National Internet Backbone
9583 1210 91 506 Sify Limited
7552 1140 1080 13 Vietel Corporation
9498 1118 309 70 BHARTI Airtel Ltd.
24560 1076 394 164 Bharti Airtel Ltd., Telemedia
4808 1049 2007 304 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 3016 3692 78 BellSouth.net Inc.
18566 2062 381 182 Covad Communications Co.
1785 1990 677 123 PaeTec Communications, Inc.
22773 1982 2929 125 Cox Communications Inc.
7029 1936 1265 211 Windstream Communications Inc
20115 1664 1609 610 Charter Communications
4323 1611 1155 401 tw telecom holdings, inc.
701 1534 11075 841 MCI Communications Services,
30036 1330 297 643 Mediacom Communications Corp
7018 1317 11091 848 AT&T Services, 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 1706 544 16 Corbina telecom
2118 1260 97 13 EUnet/RELCOM Autonomous Syste
34984 1208 237 217 BILISIM TELEKOM
20940 863 307 678 Akamai Technologies European
13188 822 98 73 Ukraine
8551 816 370 43 Bezeq International
31148 811 40 24 FreeNet ISP
6830 772 2377 445 UPC Broadband
34744 684 173 59 SC GVM SISTEM 2003 SRL
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 2776 1535 112 Types of queries are: POCs, o
10620 2633 414 231 Types of queries are: POCs, o
7303 1726 1154 222 Telecom Argentina S.A.
8151 1255 2708 401 Uninet S.A. de C.V.
18881 958 780 19 Global Village Telecom
6503 924 435 67 Axtel, S.A.B. de C.V.
27947 812 89 104 Telconet S.A
3816 714 307 87 Types of queries are: POCs, o
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 611 103 66 Alestra, S. de R.L. de C.V.
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 1237 80 4 MOBITEL
24863 892 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 437 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
37054 194 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 3016 3692 78 BellSouth.net Inc.
28573 2776 1535 112 Types of queries are: POCs, o
10620 2633 414 231 Types of queries are: POCs, o
17974 2511 839 86 PT Telekomunikasi Indonesia
4766 2145 11551 627 Korea Telecom (KIX)
18566 2062 381 182 Covad Communications Co.
1785 1990 677 123 PaeTec Communications, Inc.
22773 1982 2929 125 Cox Communications Inc.
7545 1978 320 108 TPG Internet Pty Ltd
7029 1936 1265 211 Windstream Communications Inc
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 2776 2664 Types of queries are: POCs, o
17974 2511 2425 PT Telekomunikasi Indonesia
10620 2633 2402 Types of queries are: POCs, o
18566 2062 1880 Covad Communications Co.
7545 1978 1870 TPG Internet Pty Ltd
1785 1990 1867 PaeTec Communications, Inc.
22773 1982 1857 Cox Communications Inc.
7029 1936 1725 Windstream Communications Inc
8402 1706 1690 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
65101 PRIVATE 5.16.192.0/19 41733 JSC "Z-Telecom"
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.
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.
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.53.0/24 60993 Totalsoft SA
128.0.55.0/24 48571 SC efectRO SRL
128.0.57.0/24 60993 Totalsoft SA
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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.
64.185.231.0/24 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 /9:11 /10:31 /11:88 /12:250
/13:481 /14:893 /15:1584 /16:12630 /17:6647 /18:11098
/19:22145 /20:31989 /21:34060 /22:46850 /23:41823 /24:236538
/25:9 /26:11 /27:12 /28:134 /29:202 /30:107
/31:0 /32:132
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2013 2062 Covad Communications Co.
6389 1732 3016 BellSouth.net Inc.
7029 1468 1936 Windstream Communications Inc
8402 1404 1706 Corbina telecom
22773 1289 1982 Cox Communications Inc.
36998 1231 1237 MOBITEL
30036 1199 1330 Mediacom Communications Corp
11492 1180 1219 CABLE ONE, INC.
1785 1062 1990 PaeTec Communications, Inc.
6983 1009 1134 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:770 2:771 3:3 4:12 5:757 6:9
8:550 12:1925 13:3 14:802 15:11 16:3
17:9 20:17 23:270 24:1765 27:1454 31:1320
32:38 33:2 34:5 36:28 37:1861 38:870
39:2 40:172 41:2873 42:187 44:6 46:1914
47:2 49:650 50:701 52:12 54:33 55:9
57:29 58:1082 59:562 60:308 61:1385 62:1125
63:2028 64:4346 65:2171 66:4370 67:2058 68:1123
69:3262 70:881 71:512 72:1922 74:2562 75:410
76:304 77:1081 78:1022 79:613 80:1260 81:1002
82:630 83:571 84:534 85:1157 86:455 87:991
88:534 89:1725 90:146 91:5486 92:591 93:1713
94:1835 95:1497 96:512 97:344 98:1037 99:38
100:30 101:311 103:2494 105:519 106:150 107:209
108:501 109:1823 110:872 111:1029 112:522 113:784
114:680 115:921 116:883 117:785 118:1073 119:1242
120:397 121:710 122:1728 123:1202 124:1317 125:1354
128:604 129:199 130:311 131:628 132:339 133:148
134:257 135:66 136:221 137:256 138:346 139:193
140:178 141:313 142:524 143:367 144:493 145:93
146:498 147:382 148:669 149:366 150:151 151:566
152:415 153:193 154:39 155:395 156:264 157:342
158:277 159:643 160:337 161:407 162:428 163:201
164:596 165:441 166:287 167:593 168:1021 169:128
170:1026 171:181 172:21 173:1655 174:605 175:448
176:1087 177:2001 178:1851 179:14 180:1432 181:400
182:1200 183:376 184:672 185:485 186:2266 187:1306
188:2135 189:1320 190:6293 192:6587 193:5863 194:4596
195:3430 196:1361 197:967 198:4400 199:5275 200:5914
201:2259 202:8603 203:8716 204:4433 205:2540 206:2717
207:2815 208:4042 209:3633 210:2885 211:1502 212:2230
213:1928 214:910 215:98 216:5213 217:1609 218:604
219:315 220:1256 221:558 222:317 223:447
End of report
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