* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 04 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 441969
Prefixes after maximum aggregation: 181812
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 221394
Total ASes present in the Internet Routing Table: 40040
Prefixes per ASN: 11.04
Origin-only ASes present in the Internet Routing Table: 34419
Origin ASes announcing only one prefix: 16068
Transit ASes present in the Internet Routing Table: 5613
Transit-only ASes present in the Internet Routing Table: 126
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 950
Unregistered ASNs in the Routing Table: 163
Number of 32-bit ASNs allocated by the RIRs: 4674
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10230
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 223
Number of addresses announced to Internet: 2647915776
Equivalent to 157 /8s, 211 /16s and 253 /24s
Percentage of available address space announced: 71.5
Percentage of allocated address space announced: 71.5
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: 154743
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102305
Total APNIC prefixes after maximum aggregation: 31918
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 104121
Unique aggregates announced from the APNIC address blocks: 44375
APNIC Region origin ASes present in the Internet Routing Table: 4771
APNIC Prefixes per ASN: 21.82
APNIC Region origin ASes announcing only one prefix: 1241
APNIC Region transit ASes present in the Internet Routing Table: 786
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 718697984
Equivalent to 42 /8s, 214 /16s and 118 /24s
Percentage of available APNIC address space announced: 84.0
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: 155974
Total ARIN prefixes after maximum aggregation: 78945
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156705
Unique aggregates announced from the ARIN address blocks: 72234
ARIN Region origin ASes present in the Internet Routing Table: 15528
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5917
ARIN Region transit ASes present in the Internet Routing Table: 1547
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: 1079721728
Equivalent to 64 /8s, 91 /16s and 63 /24s
Percentage of available ARIN address space announced: 57.1
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: 115655
Total RIPE prefixes after maximum aggregation: 59125
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 119351
Unique aggregates announced from the RIPE address blocks: 76783
RIPE Region origin ASes present in the Internet Routing Table: 17089
RIPE Prefixes per ASN: 6.98
RIPE Region origin ASes announcing only one prefix: 8153
RIPE Region transit ASes present in the Internet Routing Table: 2749
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 654973440
Equivalent to 39 /8s, 10 /16s and 26 /24s
Percentage of available RIPE address space announced: 95.2
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: 46871
Total LACNIC prefixes after maximum aggregation: 9294
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 50789
Unique aggregates announced from the LACNIC address blocks: 24003
LACNIC Region origin ASes present in the Internet Routing Table: 1874
LACNIC Prefixes per ASN: 27.10
LACNIC Region origin ASes announcing only one prefix: 567
LACNIC Region transit ASes present in the Internet Routing Table: 341
Average LACNIC Region AS path length visible: 4.0
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: 125662208
Equivalent to 7 /8s, 125 /16s and 116 /24s
Percentage of available LACNIC address space announced: 74.9
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
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: 10171
Total AfriNIC prefixes after maximum aggregation: 2482
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 10779
Unique aggregates announced from the AfriNIC address blocks: 3790
AfriNIC Region origin ASes present in the Internet Routing Table: 616
AfriNIC Prefixes per ASN: 17.50
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 126
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: 46193408
Equivalent to 2 /8s, 192 /16s and 219 /24s
Percentage of available AfriNIC address space announced: 45.9
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 2497 840 86 PT Telekomunikasi Indonesia
4766 2141 11550 626 Korea Telecom (KIX)
7545 1857 302 94 TPG Internet Pty Ltd
4755 1710 392 198 TATA Communications formerly
9829 1495 1205 40 National Internet Backbone
9583 1257 96 524 Sify Limited
7552 1164 1066 12 Vietel Corporation
9498 1062 308 70 BHARTI Airtel Ltd.
24560 1057 385 164 Bharti Airtel Ltd., Telemedia
4808 1024 2003 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 3038 3694 88 BellSouth.net Inc.
7029 2181 1266 213 Windstream Communications Inc
18566 2066 381 182 Covad Communications Co.
22773 2007 2929 125 Cox Communications Inc.
1785 1977 681 125 PaeTec Communications, Inc.
20115 1670 1610 612 Charter Communications
4323 1605 1154 396 tw telecom holdings, inc.
30036 1326 292 668 Mediacom Communications Corp
7018 1314 10837 858 AT&T Services, Inc.
11492 1215 223 331 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 1769 544 16 Corbina telecom
34984 1129 233 207 BILISIM TELEKOM
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
12479 844 786 66 France Telecom Espana SA
13188 836 99 33 Ukraine
20940 816 287 649 Akamai Technologies European
8551 799 370 43 Bezeq International
31148 786 41 19 FreeNet ISP
6830 719 2313 430 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 2520 1386 98 Types of queries are: POCs, o
10620 2354 407 227 Types of queries are: POCs, o
7303 1673 1152 210 Telecom Argentina S.A.
8151 1218 2672 399 Uninet S.A. de C.V.
6503 1180 435 70 Axtel, S.A.B. de C.V.
14754 948 130 87 Telgua
18881 850 716 18 Global Village Telecom
27947 772 87 94 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 695 307 87 Types of queries are: POCs, o
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 672 274 33 LINKdotNET AS number
6713 533 617 25 Itissalat Al-MAGHRIB
8452 356 958 13 TEDATA
24835 275 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
37054 208 11 6 Data Telecom Service
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
33776 182 12 19 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 3038 3694 88 BellSouth.net Inc.
28573 2520 1386 98 Types of queries are: POCs, o
17974 2497 840 86 PT Telekomunikasi Indonesia
10620 2354 407 227 Types of queries are: POCs, o
7029 2181 1266 213 Windstream Communications Inc
4766 2141 11550 626 Korea Telecom (KIX)
18566 2066 381 182 Covad Communications Co.
22773 2007 2929 125 Cox Communications Inc.
1785 1977 681 125 PaeTec Communications, Inc.
7545 1857 302 94 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 2520 2422 Types of queries are: POCs, o
17974 2497 2411 PT Telekomunikasi Indonesia
10620 2354 2127 Types of queries are: POCs, o
7029 2181 1968 Windstream Communications Inc
18566 2066 1884 Covad Communications Co.
22773 2007 1882 Cox Communications Inc.
1785 1977 1852 PaeTec Communications, Inc.
7545 1857 1763 TPG Internet Pty Ltd
8402 1769 1753 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.
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
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 /8:18 /9:13 /10:30 /11:88 /12:249
/13:483 /14:872 /15:1552 /16:12623 /17:6628 /18:10840
/19:21746 /20:31802 /21:33492 /22:45845 /23:41230 /24:233856
/25:9 /26:11 /27:12 /28:140 /29:195 /30:104
/31:0 /32:131
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications Co.
6389 1742 3038 BellSouth.net Inc.
7029 1597 2181 Windstream Communications Inc
8402 1472 1769 Corbina telecom
22773 1313 2007 Cox Communications Inc.
30036 1206 1326 Mediacom Communications Corp
11492 1177 1215 CABLE ONE, INC.
36998 1131 1137 MOBITEL
1785 1045 1977 PaeTec Communications, Inc.
7011 931 1176 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:699 2:762 3:3 4:13 5:838 6:5
8:518 12:1919 13:3 14:748 15:11 16:3
17:8 20:19 23:251 24:1796 27:1433 31:1203
32:39 33:2 34:5 36:43 37:1708 38:856
39:2 40:164 41:2755 42:184 44:6 46:1761
47:2 49:615 50:665 52:12 54:29 55:7
57:30 58:1025 59:582 60:299 61:1431 62:988
63:2036 64:4279 65:2176 66:4274 67:2057 68:1115
69:3270 70:875 71:525 72:1891 74:2552 75:403
76:287 77:1097 78:1009 79:583 80:1233 81:974
82:614 83:580 84:561 85:1156 86:469 87:953
88:522 89:1784 90:281 91:5419 92:617 93:1700
94:1857 95:1523 96:498 97:340 98:1050 99:38
100:28 101:309 103:2347 105:488 106:133 107:207
108:496 109:1809 110:852 111:1039 112:499 113:766
114:677 115:1002 116:857 117:782 118:1005 119:1227
120:374 121:803 122:1696 123:1183 124:1294 125:1318
128:596 129:196 130:318 131:642 132:323 133:144
134:248 135:62 136:220 137:239 138:344 139:182
140:174 141:299 142:525 143:363 144:480 145:90
146:518 147:378 148:689 149:359 150:161 151:555
152:414 153:194 154:38 155:383 156:257 157:344
158:271 159:628 160:334 161:400 162:375 163:189
164:572 165:446 166:358 167:577 168:990 169:132
170:1016 171:174 172:4 173:1581 174:581 175:438
176:1132 177:1877 178:2016 179:2 180:1375 181:302
182:1095 183:376 184:660 185:334 186:2371 187:1247
188:1948 189:1398 190:6573 192:6420 193:5663 194:4519
195:3527 196:1326 197:833 198:4242 199:5215 200:5958
201:2370 202:8667 203:8693 204:4426 205:2523 206:2696
207:2764 208:4056 209:3526 210:2805 211:1560 212:2041
213:1951 214:933 215:94 216:5187 217:1573 218:594
219:329 220:1267 221:544 222:317 223:499
End of report
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