* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 22 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 447815
Prefixes after maximum aggregation: 183445
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 224442
Total ASes present in the Internet Routing Table: 40338
Prefixes per ASN: 11.10
Origin-only ASes present in the Internet Routing Table: 34652
Origin ASes announcing only one prefix: 16145
Transit ASes present in the Internet Routing Table: 5678
Transit-only ASes present in the Internet Routing Table: 137
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: 805
Unregistered ASNs in the Routing Table: 160
Number of 32-bit ASNs allocated by the RIRs: 4771
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10361
Special use prefixes present in the Routing Table: 31
Prefixes being announced from unallocated address space: 251
Number of addresses announced to Internet: 2637909504
Equivalent to 157 /8s, 59 /16s and 78 /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: 156271
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103463
Total APNIC prefixes after maximum aggregation: 32096
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 105481
Unique aggregates announced from the APNIC address blocks: 44695
APNIC Region origin ASes present in the Internet Routing Table: 4798
APNIC Prefixes per ASN: 21.98
APNIC Region origin ASes announcing only one prefix: 1243
APNIC Region transit ASes present in the Internet Routing Table: 792
Average APNIC Region AS path length visible: 3.9
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: 720980480
Equivalent to 42 /8s, 249 /16s and 74 /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: 157980
Total ARIN prefixes after maximum aggregation: 79886
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158576
Unique aggregates announced from the ARIN address blocks: 73323
ARIN Region origin ASes present in the Internet Routing Table: 15644
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5979
ARIN Region transit ASes present in the Internet Routing Table: 1581
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: 1062190336
Equivalent to 63 /8s, 79 /16s and 189 /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: 117397
Total RIPE prefixes after maximum aggregation: 59748
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120975
Unique aggregates announced from the RIPE address blocks: 77956
RIPE Region origin ASes present in the Internet Routing Table: 17171
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8160
RIPE Region transit ASes present in the Internet Routing Table: 2759
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: 656367616
Equivalent to 39 /8s, 31 /16s and 96 /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: 47104
Total LACNIC prefixes after maximum aggregation: 9162
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 51188
Unique aggregates announced from the LACNIC address blocks: 24335
LACNIC Region origin ASes present in the Internet Routing Table: 1925
LACNIC Prefixes per ASN: 26.59
LACNIC Region origin ASes announcing only one prefix: 577
LACNIC Region transit ASes present in the Internet Routing Table: 345
Average LACNIC Region AS path length visible: 4.2
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: 129338368
Equivalent to 7 /8s, 181 /16s and 140 /24s
Percentage of available LACNIC address space announced: 77.1
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: 10777
Total AfriNIC prefixes after maximum aggregation: 2513
AfriNIC Deaggregation factor: 4.29
Prefixes being announced from the AfriNIC address blocks: 11343
Unique aggregates announced from the AfriNIC address blocks: 3901
AfriNIC Region origin ASes present in the Internet Routing Table: 628
AfriNIC Prefixes per ASN: 18.06
AfriNIC Region origin ASes announcing only one prefix: 186
AfriNIC Region transit ASes present in the Internet Routing Table: 134
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1
Number of AfriNIC addresses announced to Internet: 46449152
Equivalent to 2 /8s, 196 /16s and 194 /24s
Percentage of available AfriNIC address space announced: 46.1
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 838 90 PT Telekomunikasi Indonesia
4766 2145 11551 627 Korea Telecom (KIX)
7545 1978 320 109 TPG Internet Pty Ltd
4755 1707 390 190 TATA Communications formerly
9829 1485 1205 40 National Internet Backbone
9583 1218 91 506 Sify Limited
7552 1157 1064 12 Vietel Corporation
9498 1110 309 72 BHARTI Airtel Ltd.
24560 1069 393 166 Bharti Airtel Ltd., Telemedia
4808 1035 2006 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 3019 3693 80 BellSouth.net Inc.
7029 2091 1265 211 Windstream Communications Inc
18566 2063 381 182 Covad Communications Co.
1785 1990 677 124 PaeTec Communications, Inc.
22773 1977 2929 125 Cox Communications Inc.
20115 1668 1608 612 Charter Communications
4323 1618 1154 400 tw telecom holdings, inc.
30036 1329 296 646 Mediacom Communications Corp
7018 1323 10852 856 AT&T Services, Inc.
11492 1232 220 343 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 1758 544 16 Corbina telecom
2118 1260 97 13 EUnet/RELCOM Autonomous Syste
34984 1197 237 223 BILISIM TELEKOM
20940 841 296 661 Akamai Technologies European
13188 821 98 80 Ukraine
8551 816 370 43 Bezeq International
31148 793 39 22 FreeNet ISP
6830 771 2376 444 UPC Broadband
34744 682 173 56 SC GVM SISTEM 2003 SRL
12479 668 779 67 France Telecom Espana SA
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 2759 1536 114 Types of queries are: POCs, o
10620 2624 412 226 Types of queries are: POCs, o
7303 1724 1153 222 Telecom Argentina S.A.
8151 1245 2706 394 Uninet S.A. de C.V.
18881 941 780 19 Global Village Telecom
6503 927 435 70 Axtel, S.A.B. de C.V.
27947 808 89 97 Telconet S.A
3816 710 307 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 1021 80 4 MOBITEL
24863 885 274 32 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 451 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
37054 204 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 3019 3693 80 BellSouth.net Inc.
28573 2759 1536 114 Types of queries are: POCs, o
10620 2624 412 226 Types of queries are: POCs, o
17974 2512 838 90 PT Telekomunikasi Indonesia
4766 2145 11551 627 Korea Telecom (KIX)
7029 2091 1265 211 Windstream Communications Inc
18566 2063 381 182 Covad Communications Co.
1785 1990 677 124 PaeTec Communications, Inc.
7545 1978 320 109 TPG Internet Pty Ltd
22773 1977 2929 125 Cox 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 2759 2645 Types of queries are: POCs, o
17974 2512 2422 PT Telekomunikasi Indonesia
10620 2624 2398 Types of queries are: POCs, o
18566 2063 1881 Covad Communications Co.
7029 2091 1880 Windstream Communications Inc
7545 1978 1869 TPG Internet Pty Ltd
1785 1990 1866 PaeTec Communications, Inc.
22773 1977 1852 Cox Communications Inc.
8402 1758 1742 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
128.0.52.0/24 60906 NETOPIA SRL
128.0.53.0/24 60993 Totalsoft SA
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
64.18.128.0/19 23456 32-bit ASN transition
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 /10:31 /11:88 /12:249
/13:483 /14:888 /15:1565 /16:12639 /17:6648 /18:11089
/19:22129 /20:31949 /21:34032 /22:46867 /23:41805 /24:236706
/25:9 /26:11 /27:12 /28:136 /29:204 /30:110
/31:0 /32:135
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2014 2063 Covad Communications Co.
6389 1733 3019 BellSouth.net Inc.
7029 1577 2091 Windstream Communications Inc
8402 1465 1758 Corbina telecom
22773 1285 1977 Cox Communications Inc.
30036 1199 1329 Mediacom Communications Corp
11492 1193 1232 CABLE ONE, INC.
1785 1062 1990 PaeTec Communications, Inc.
36998 1015 1021 MOBITEL
6983 1008 1132 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:758 2:774 3:3 4:12 5:876 6:8
8:548 12:1930 13:3 14:798 15:11 16:3
17:9 20:17 23:272 24:1764 27:1467 31:1291
32:38 33:2 34:5 36:28 37:1856 38:868
39:2 40:172 41:2813 42:187 44:6 46:1897
47:2 49:587 50:701 52:12 54:35 55:6
57:29 58:1075 59:567 60:308 61:1378 62:1118
63:2024 64:4322 65:2176 66:4345 67:2059 68:1127
69:3268 70:880 71:533 72:1918 74:2558 75:416
76:308 77:1083 78:1038 79:591 80:1255 81:989
82:631 83:567 84:531 85:1158 86:460 87:982
88:538 89:1800 90:152 91:5476 92:589 93:1688
94:1830 95:1512 96:513 97:344 98:1051 99:38
100:29 101:328 103:2597 105:447 106:90 107:209
108:502 109:1849 110:879 111:1030 112:514 113:786
114:705 115:933 116:901 117:781 118:1118 119:1244
120:399 121:707 122:1752 123:1215 124:1316 125:1354
128:597 129:198 130:310 131:641 132:336 133:149
134:257 135:66 136:221 137:223 138:344 139:193
140:179 141:315 142:531 143:373 144:480 145:93
146:502 147:390 148:670 149:370 150:151 151:570
152:415 153:199 154:42 155:393 156:261 157:352
158:280 159:644 160:338 161:406 162:432 163:199
164:591 165:444 166:298 167:587 168:1028 169:128
170:1022 171:179 172:22 173:1666 174:592 175:480
176:1265 177:2003 178:1868 179:7 180:1426 181:394
182:1253 183:378 184:672 185:447 186:2273 187:1281
188:2115 189:1315 190:6294 192:6558 193:5869 194:4588
195:3420 196:1359 197:867 198:4381 199:5276 200:5891
201:2234 202:8716 203:8756 204:4431 205:2543 206:2751
207:2821 208:4053 209:3620 210:2844 211:1506 212:2214
213:1931 214:852 215:98 216:5233 217:1590 218:603
219:314 220:1256 221:556 222:316 223:440
End of report
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