* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 01 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 412449
Prefixes after maximum aggregation: 174636
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 204735
Total ASes present in the Internet Routing Table: 38837
Prefixes per ASN: 10.62
Origin-only ASes present in the Internet Routing Table: 33438
Origin ASes announcing only one prefix: 15721
Transit ASes present in the Internet Routing Table: 5399
Transit-only ASes present in the Internet Routing Table: 117
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 38
Max AS path prepend of ASN ( 22394) 35
Prefixes from unregistered ASNs in the Routing Table: 1062
Unregistered ASNs in the Routing Table: 193
Number of 32-bit ASNs allocated by the RIRs: 3052
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6865
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 176
Number of addresses announced to Internet: 2591680768
Equivalent to 154 /8s, 121 /16s and 233 /24s
Percentage of available address space announced: 69.9
Percentage of allocated address space announced: 70.0
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.1
Total number of prefixes smaller than registry allocations: 142896
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96344
Total APNIC prefixes after maximum aggregation: 31270
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 97432
Unique aggregates announced from the APNIC address blocks: 42222
APNIC Region origin ASes present in the Internet Routing Table: 4681
APNIC Prefixes per ASN: 20.81
APNIC Region origin ASes announcing only one prefix: 1267
APNIC Region transit ASes present in the Internet Routing Table: 725
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 703831296
Equivalent to 41 /8s, 243 /16s and 157 /24s
Percentage of available APNIC address space announced: 82.3
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: 152032
Total ARIN prefixes after maximum aggregation: 77344
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153052
Unique aggregates announced from the ARIN address blocks: 68837
ARIN Region origin ASes present in the Internet Routing Table: 15153
ARIN Prefixes per ASN: 10.10
ARIN Region origin ASes announcing only one prefix: 5762
ARIN Region transit ASes present in the Internet Routing Table: 1523
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 38
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1072637440
Equivalent to 63 /8s, 239 /16s and 38 /24s
Percentage of available ARIN address space announced: 56.7
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: 104782
Total RIPE prefixes after maximum aggregation: 55549
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 106976
Unique aggregates announced from the RIPE address blocks: 68181
RIPE Region origin ASes present in the Internet Routing Table: 16702
RIPE Prefixes per ASN: 6.40
RIPE Region origin ASes announcing only one prefix: 8103
RIPE Region transit ASes present in the Internet Routing Table: 2656
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 23
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 638146048
Equivalent to 38 /8s, 9 /16s and 86 /24s
Percentage of available RIPE address space announced: 92.8
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: 42223
Total LACNIC prefixes after maximum aggregation: 8239
LACNIC Deaggregation factor: 5.12
Prefixes being announced from the LACNIC address blocks: 44897
Unique aggregates announced from the LACNIC address blocks: 21956
LACNIC Region origin ASes present in the Internet Routing Table: 1597
LACNIC Prefixes per ASN: 28.11
LACNIC Region origin ASes announcing only one prefix: 422
LACNIC Region transit ASes present in the Internet Routing Table: 307
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 112967424
Equivalent to 6 /8s, 187 /16s and 191 /24s
Percentage of available LACNIC address space announced: 67.3
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: 9475
Total AfriNIC prefixes after maximum aggregation: 2179
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 9915
Unique aggregates announced from the AfriNIC address blocks: 3383
AfriNIC Region origin ASes present in the Internet Routing Table: 553
AfriNIC Prefixes per ASN: 17.93
AfriNIC Region origin ASes announcing only one prefix: 167
AfriNIC Region transit ASes present in the Internet Routing Table: 118
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 41388544
Equivalent to 2 /8s, 119 /16s and 138 /24s
Percentage of available AfriNIC address space announced: 41.1
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 2274 580 91 PT Telekomunikasi Indonesia
4766 2024 11112 784 Korea Telecom (KIX)
7545 1686 301 87 TPG Internet Pty Ltd
4755 1580 385 154 TATA Communications formerly
9829 1307 1084 31 National Internet Backbone
9583 1161 87 509 Sify Limited
7552 1110 1062 11 Vietel Corporation
24560 1037 385 165 Bharti Airtel Ltd., Telemedia
9498 993 294 73 BHARTI Airtel Ltd.
4808 967 1943 291 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
7029 3442 986 155 Windstream Communications Inc
6389 3382 3773 192 BellSouth.net Inc.
18566 2089 382 181 Covad Communications Co.
1785 1940 681 131 PaeTec Communications, Inc.
22773 1697 2914 125 Cox Communications Inc.
20115 1646 1572 611 Charter Communications
4323 1571 1043 382 tw telecom holdings, inc.
30036 1407 275 790 Mediacom Communications Corp
7018 1257 10008 828 AT&T Services, Inc.
7011 1191 316 697 Frontier Communications of Am
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 1509 544 16 Corbina telecom
12479 808 749 92 France Telecom Espana SA
34984 735 189 177 BILISIM TELEKOM
6830 715 2310 446 UPC Broadband
31148 706 37 9 FreeNet ISP
20940 695 230 556 Akamai Technologies European
2118 664 97 14 EUnet/RELCOM Autonomous Syste
13188 637 100 9 Ukraine
8551 599 364 61 Bezeq International
9116 541 326 32 Goldenlines main autonomous s
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
10620 2035 349 210 Types of queries are: POCs, o
28573 1995 1228 57 Types of queries are: POCs, o
6503 1519 419 69 Axtel, S.A.B. de C.V.
7303 1458 934 196 Telecom Argentina S.A.
8151 1338 3053 345 Uninet S.A. de C.V.
6458 882 81 15 Telgua
27947 695 75 90 Telconet S.A
11172 645 107 75 Alestra, S. de R.L. de C.V.
3816 606 256 87 Types of queries are: POCs, o
22047 583 326 15 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
8452 1000 958 13 TEDATA
24863 863 274 32 LINKdotNET AS number
6713 509 650 19 Itissalat Al-MAGHRIB
36998 483 48 3 MOBITEL
24835 286 80 8 RAYA Telecom - Egypt
3741 263 905 224 The Internet Solution
12258 197 28 62 Vodacom Internet Company
29975 191 667 21 Vodacom
15706 177 32 6 Sudatel Internet Exchange Aut
29571 161 15 15 Ci Telecom Autonomous system
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
7029 3442 986 155 Windstream Communications Inc
6389 3382 3773 192 BellSouth.net Inc.
17974 2274 580 91 PT Telekomunikasi Indonesia
18566 2089 382 181 Covad Communications Co.
10620 2035 349 210 Types of queries are: POCs, o
4766 2024 11112 784 Korea Telecom (KIX)
28573 1995 1228 57 Types of queries are: POCs, o
1785 1940 681 131 PaeTec Communications, Inc.
22773 1697 2914 125 Cox Communications Inc.
7545 1686 301 87 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
6389 3382 3190 BellSouth.net Inc.
17974 2274 2183 PT Telekomunikasi Indonesia
28573 1995 1938 Types of queries are: POCs, o
18566 2089 1908 Covad Communications Co.
10620 2035 1825 Types of queries are: POCs, o
1785 1940 1809 PaeTec Communications, Inc.
7545 1686 1599 TPG Internet Pty Ltd
22773 1697 1572 Cox Communications Inc.
8402 1509 1493 Corbina telecom
6503 1519 1450 Axtel, S.A.B. de C.V.
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.65.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.67.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.68.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.71.0/24 35567 DASTO semtel d.o.o.
59458 UNALLOCATED 5.149.96.0/21 50597 ScopeSky Communicati
59458 UNALLOCATED 5.149.104.0/22 50597 ScopeSky Communicati
59473 UNALLOCATED 5.149.152.0/22 44843 AmsterdamTelecom Ltd
59473 UNALLOCATED 5.149.156.0/23 44843 AmsterdamTelecom Ltd
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
169.254.0.0/16 65333 Internet Assigned Numbers Aut
172.16.0.0/12 65333 Internet Assigned Numbers Aut
192.0.2.0/24 65333 Internet Assigned Numbers Aut
192.168.0.0/16 0 *
198.18.0.0/15 65333 Internet Assigned Numbers Aut
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.163.0.0/16 47147 VisNetwork Media SRL
5.172.32.0/21 9125 Orion Telekom Tim d.o.o.Beogr
5.172.40.0/21 48539 Oxilion B.V.
5.172.64.0/18 50809 Digitel Italia S.p.A.
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
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 /8:20 /9:12 /10:29 /11:82 /12:236
/13:471 /14:846 /15:1525 /16:12287 /17:6379 /18:10660
/19:20822 /20:29841 /21:31412 /22:40949 /23:39274 /24:217031
/25:11 /26:22 /27:18 /28:149 /29:151 /30:84
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2801 3442 Windstream Communications Inc
18566 2039 2089 Covad Communications Co.
6389 1864 3382 BellSouth.net Inc.
30036 1342 1407 Mediacom Communications Corp
8402 1222 1509 Corbina telecom
11492 1153 1190 CABLE ONE, INC.
22773 1121 1697 Cox Communications Inc.
1785 1049 1940 PaeTec Communications, Inc.
6503 1047 1519 Axtel, S.A.B. de C.V.
7011 930 1191 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:524 2:696 3:1 4:13 5:295 6:3
8:438 12:1978 13:1 14:614 15:11 16:3
17:6 20:24 23:206 24:1793 27:1311 31:1040
32:51 33:2 34:2 36:8 37:686 38:816
39:1 40:134 41:2814 42:158 44:3 46:1546
47:2 49:428 50:567 52:13 54:14 55:8
56:1 57:38 58:926 59:505 60:233 61:1178
62:935 63:2017 64:4238 65:2251 66:4510 67:2035
68:1155 69:3197 70:987 71:520 72:1872 74:2605
75:490 76:334 77:931 78:927 79:511 80:1229
81:951 82:646 83:540 84:512 85:1158 86:471
87:932 88:352 89:1770 90:302 91:5072 92:589
93:1313 94:1571 95:1247 96:400 97:318 98:898
99:36 100:22 101:251 103:1309 105:464 106:115
107:189 108:394 109:1484 110:783 111:945 112:426
113:666 114:685 115:848 116:893 117:715 118:946
119:1178 120:350 121:679 122:1636 123:1155 124:1311
125:1262 128:508 129:177 130:254 131:633 132:292
133:22 134:234 135:61 136:214 137:237 138:343
139:181 140:466 141:256 142:431 143:367 144:495
145:78 146:501 147:286 148:749 149:318 150:148
151:186 152:471 153:176 154:18 155:421 156:222
157:337 158:191 159:551 160:345 161:267 162:383
163:178 164:665 165:405 166:580 167:534 168:959
169:125 170:901 171:147 172:5 173:1740 174:613
175:425 176:569 177:995 178:1646 180:1324 181:114
182:1020 183:232 184:567 186:2056 187:1121 188:1387
189:1582 190:6138 192:5979 193:5436 194:4198 195:3241
196:1213 197:178 198:3647 199:4890 200:5875 201:1966
202:8464 203:8595 204:4320 205:2521 206:2703 207:2774
208:4042 209:3614 210:2690 211:1542 212:2002 213:1810
214:883 215:85 216:5067 217:1559 218:548 219:298
220:1234 221:551 222:301 223:339
End of report
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