* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 26 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 411272
Prefixes after maximum aggregation: 174207
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 201475
Total ASes present in the Internet Routing Table: 38818
Prefixes per ASN: 10.59
Origin-only ASes present in the Internet Routing Table: 33438
Origin ASes announcing only one prefix: 15736
Transit ASes present in the Internet Routing Table: 5380
Transit-only ASes present in the Internet Routing Table: 120
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1045
Unregistered ASNs in the Routing Table: 184
Number of 32-bit ASNs allocated by the RIRs: 3029
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6797
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 173
Number of addresses announced to Internet: 2591236608
Equivalent to 154 /8s, 115 /16s and 34 /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: 141998
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96289
Total APNIC prefixes after maximum aggregation: 31212
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 97366
Unique aggregates announced from the APNIC address blocks: 42191
APNIC Region origin ASes present in the Internet Routing Table: 4674
APNIC Prefixes per ASN: 20.83
APNIC Region origin ASes announcing only one prefix: 1274
APNIC Region transit ASes present in the Internet Routing Table: 728
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: 703386624
Equivalent to 41 /8s, 236 /16s and 212 /24s
Percentage of available APNIC address space announced: 82.2
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: 151822
Total ARIN prefixes after maximum aggregation: 77167
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 152854
Unique aggregates announced from the ARIN address blocks: 68690
ARIN Region origin ASes present in the Internet Routing Table: 15154
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5772
ARIN Region transit ASes present in the Internet Routing Table: 1526
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: 0
Number of ARIN addresses announced to Internet: 1072184320
Equivalent to 63 /8s, 232 /16s and 60 /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: 104073
Total RIPE prefixes after maximum aggregation: 55318
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 106225
Unique aggregates announced from the RIPE address blocks: 66820
RIPE Region origin ASes present in the Internet Routing Table: 16680
RIPE Prefixes per ASN: 6.37
RIPE Region origin ASes announcing only one prefix: 8099
RIPE Region transit ASes present in the Internet Routing Table: 2648
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: 638052352
Equivalent to 38 /8s, 7 /16s and 232 /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: 42125
Total LACNIC prefixes after maximum aggregation: 8287
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 44781
Unique aggregates announced from the LACNIC address blocks: 21935
LACNIC Region origin ASes present in the Internet Routing Table: 1601
LACNIC Prefixes per ASN: 27.97
LACNIC Region origin ASes announcing only one prefix: 422
LACNIC Region transit ASes present in the Internet Routing Table: 305
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: 112467968
Equivalent to 6 /8s, 180 /16s and 32 /24s
Percentage of available LACNIC address space announced: 67.0
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: 9439
Total AfriNIC prefixes after maximum aggregation: 2168
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 9872
Unique aggregates announced from the AfriNIC address blocks: 1691
AfriNIC Region origin ASes present in the Internet Routing Table: 555
AfriNIC Prefixes per ASN: 17.79
AfriNIC Region origin ASes announcing only one prefix: 169
AfriNIC Region transit ASes present in the Internet Routing Table: 120
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: 42518528
Equivalent to 2 /8s, 136 /16s and 200 /24s
Percentage of available AfriNIC address space announced: 42.2
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 2255 564 85 PT Telekomunikasi Indonesia
4766 2024 11112 783 Korea Telecom (KIX)
7545 1687 301 89 TPG Internet Pty Ltd
4755 1598 387 161 TATA Communications formerly
9829 1305 1085 26 National Internet Backbone
9583 1165 88 512 Sify Limited
7552 1079 1062 11 Vietel Corporation
24560 1036 385 165 Bharti Airtel Ltd., Telemedia
9498 989 294 73 BHARTI Airtel Ltd.
4808 964 1942 288 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 3412 985 154 Windstream Communications Inc
6389 3384 3773 186 BellSouth.net Inc.
18566 2089 382 181 Covad Communications Co.
1785 1941 681 132 PaeTec Communications, Inc.
22773 1697 2914 125 Cox Communications Inc.
20115 1647 1569 613 Charter Communications
4323 1572 1044 382 tw telecom holdings, inc.
30036 1393 271 781 Mediacom Communications Corp
7018 1259 10072 826 AT&T Services, Inc.
11492 1192 217 350 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 1542 544 16 Corbina telecom
12479 808 749 92 France Telecom Espana SA
34984 734 189 176 BILISIM TELEKOM
6830 713 2302 447 UPC Broadband
31148 707 37 9 FreeNet ISP
20940 686 226 551 Akamai Technologies European
2118 632 97 14 EUnet/RELCOM Autonomous Syste
8551 603 364 61 Bezeq International
13188 602 100 9 Ukraine
9116 539 326 31 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 2028 348 210 Types of queries are: POCs, o
28573 2021 1226 58 Types of queries are: POCs, o
6503 1515 419 69 Axtel, S.A.B. de C.V.
7303 1457 934 195 Telecom Argentina S.A.
8151 1341 3051 347 Uninet S.A. de C.V.
6458 878 81 15 Telgua
27947 682 75 89 Telconet S.A
11172 646 107 75 Alestra, S. de R.L. de C.V.
3816 599 250 83 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 1011 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
29571 160 15 15 Ci Telecom Autonomous system
15706 159 32 6 Sudatel Internet Exchange Aut
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 3412 985 154 Windstream Communications Inc
6389 3384 3773 186 BellSouth.net Inc.
17974 2255 564 85 PT Telekomunikasi Indonesia
18566 2089 382 181 Covad Communications Co.
10620 2028 348 210 Types of queries are: POCs, o
4766 2024 11112 783 Korea Telecom (KIX)
28573 2021 1226 58 Types of queries are: POCs, o
1785 1941 681 132 PaeTec Communications, Inc.
22773 1697 2914 125 Cox Communications Inc.
7545 1687 301 89 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 3384 3198 BellSouth.net Inc.
17974 2255 2170 PT Telekomunikasi Indonesia
28573 2021 1963 Types of queries are: POCs, o
18566 2089 1908 Covad Communications Co.
10620 2028 1818 Types of queries are: POCs, o
1785 1941 1809 PaeTec Communications, Inc.
7545 1687 1598 TPG Internet Pty Ltd
22773 1697 1572 Cox Communications Inc.
8402 1542 1526 Corbina telecom
6503 1515 1446 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 5.149.64.0/19 35567 DASTO semtel d.o.o.
59473 UNALLOCATED 5.149.152.0/22 44843 AmsterdamTelecom Ltd
59473 UNALLOCATED 5.149.156.0/23 44843 AmsterdamTelecom Ltd
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.
26095 UNALLOCATED 12.34.8.0/24 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
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
5.157.128.0/17 49687 SC RoSite Equipment SRL
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
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
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 /8:22 /9:12 /10:29 /11:82 /12:236
/13:472 /14:844 /15:1520 /16:12255 /17:6369 /18:10643
/19:20789 /20:29737 /21:31345 /22:40827 /23:39142 /24:216378
/25:11 /26:22 /27:19 /28:147 /29:150 /30:82
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2773 3412 Windstream Communications Inc
18566 2039 2089 Covad Communications Co.
6389 1864 3384 BellSouth.net Inc.
30036 1328 1393 Mediacom Communications Corp
8402 1241 1542 Corbina telecom
11492 1155 1192 CABLE ONE, INC.
22773 1121 1697 Cox Communications Inc.
1785 1049 1941 PaeTec Communications, Inc.
6503 1047 1515 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)
----------------------------------------------
1:523 2:708 3:1 4:13 5:202 6:3
8:438 12:1978 13:1 14:627 15:11 16:3
17:6 20:24 23:198 24:1792 27:1333 31:1037
32:51 33:2 34:2 36:8 37:669 38:817
39:1 40:134 41:2820 42:159 44:3 46:1528
47:2 49:429 50:557 52:13 54:14 55:9
56:1 57:38 58:923 59:529 60:240 61:1239
62:923 63:2025 64:4230 65:2240 66:4503 67:2016
68:1155 69:3196 70:987 71:520 72:1869 74:2603
75:489 76:334 77:931 78:935 79:491 80:1226
81:949 82:645 83:540 84:512 85:1149 86:431
87:929 88:347 89:1686 90:301 91:5045 92:587
93:1312 94:1563 95:1181 96:401 97:319 98:885
99:36 100:21 101:253 103:1287 105:464 106:115
107:189 108:383 109:1473 110:776 111:940 112:422
113:667 114:658 115:900 116:886 117:717 118:920
119:1168 120:351 121:791 122:1625 123:1150 124:1310
125:1259 128:520 129:179 130:256 131:632 132:292
133:22 134:236 135:61 136:214 137:237 138:342
139:174 140:470 141:253 142:418 143:369 144:490
145:77 146:505 147:285 148:747 149:317 150:146
151:186 152:470 153:176 154:18 155:420 156:222
157:336 158:189 159:552 160:341 161:256 162:378
163:178 164:666 165:409 166:587 167:535 168:956
169:126 170:899 171:151 172:5 173:1734 174:620
175:430 176:566 177:972 178:1632 180:1314 181:113
182:971 183:206 184:559 186:2018 187:1096 188:1370
189:1571 190:6126 192:5977 193:5444 194:4195 195:3206
196:1208 197:174 198:3650 199:4895 200:5886 201:1966
202:8438 203:8566 204:4327 205:2519 206:2698 207:2772
208:4021 209:3620 210:2699 211:1542 212:1993 213:1796
214:878 215:85 216:5069 217:1568 218:546 219:321
220:1230 221:555 222:298 223:338
End of report
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