* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 19 Jun, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 407004
Prefixes after maximum aggregation: 173043
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 201959
Total ASes present in the Internet Routing Table: 38676
Prefixes per ASN: 10.52
Origin-only ASes present in the Internet Routing Table: 33362
Origin ASes announcing only one prefix: 15700
Transit ASes present in the Internet Routing Table: 5314
Transit-only ASes present in the Internet Routing Table: 118
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: 1186
Unregistered ASNs in the Routing Table: 230
Number of 32-bit ASNs allocated by the RIRs: 2854
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6278
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 338
Number of addresses announced to Internet: 2586497024
Equivalent to 154 /8s, 42 /16s and 208 /24s
Percentage of available address space announced: 69.8
Percentage of allocated address space announced: 69.9
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 92.9
Total number of prefixes smaller than registry allocations: 140283
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 94950
Total APNIC prefixes after maximum aggregation: 31112
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 95976
Unique aggregates announced from the APNIC address blocks: 41808
APNIC Region origin ASes present in the Internet Routing Table: 4669
APNIC Prefixes per ASN: 20.56
APNIC Region origin ASes announcing only one prefix: 1283
APNIC Region transit ASes present in the Internet Routing Table: 717
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: 700948224
Equivalent to 41 /8s, 199 /16s and 159 /24s
Percentage of available APNIC address space announced: 81.9
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: 150662
Total ARIN prefixes after maximum aggregation: 76725
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 151573
Unique aggregates announced from the ARIN address blocks: 68050
ARIN Region origin ASes present in the Internet Routing Table: 15107
ARIN Prefixes per ASN: 10.03
ARIN Region origin ASes announcing only one prefix: 5746
ARIN Region transit ASes present in the Internet Routing Table: 1514
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: 1080930048
Equivalent to 64 /8s, 109 /16s and 175 /24s
Percentage of available ARIN address space announced: 57.2
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: 103645
Total RIPE prefixes after maximum aggregation: 54776
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 105648
Unique aggregates announced from the RIPE address blocks: 66687
RIPE Region origin ASes present in the Internet Routing Table: 16614
RIPE Prefixes per ASN: 6.36
RIPE Region origin ASes announcing only one prefix: 8066
RIPE Region transit ASes present in the Internet Routing Table: 2607
Average RIPE Region AS path length visible: 3.4
Max RIPE Region AS path length visible: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 630889472
Equivalent to 37 /8s, 154 /16s and 156 /24s
Percentage of available RIPE address space announced: 91.7
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: 41384
Total LACNIC prefixes after maximum aggregation: 8204
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 43781
Unique aggregates announced from the LACNIC address blocks: 21832
LACNIC Region origin ASes present in the Internet Routing Table: 1586
LACNIC Prefixes per ASN: 27.60
LACNIC Region origin ASes announcing only one prefix: 437
LACNIC Region transit ASes present in the Internet Routing Table: 297
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 110519808
Equivalent to 6 /8s, 150 /16s and 102 /24s
Percentage of available LACNIC address space announced: 65.9
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: 9243
Total AfriNIC prefixes after maximum aggregation: 2162
AfriNIC Deaggregation factor: 4.28
Prefixes being announced from the AfriNIC address blocks: 9687
Unique aggregates announced from the AfriNIC address blocks: 3273
AfriNIC Region origin ASes present in the Internet Routing Table: 546
AfriNIC Prefixes per ASN: 17.74
AfriNIC Region origin ASes announcing only one prefix: 168
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: 40449792
Equivalent to 2 /8s, 105 /16s and 55 /24s
Percentage of available AfriNIC address space announced: 40.2
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
4766 1996 11103 747 Korea Telecom (KIX)
17974 1853 531 82 PT Telekomunikasi Indonesia
7545 1680 301 85 TPG Internet Pty Ltd
4755 1570 384 152 TATA Communications formerly
9829 1300 1085 28 National Internet Backbone
9583 1183 89 509 Sify Limited
7552 1047 1062 11 Vietel Corporation
24560 1034 385 165 Bharti Airtel Ltd., Telemedia
9498 965 291 63 BHARTI Airtel Ltd.
4808 954 1944 285 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 3406 3791 192 BellSouth.net Inc.
7029 3336 1016 171 Windstream Communications Inc
18566 2091 382 180 Covad Communications Co.
1785 1920 681 132 PaeTec Communications, Inc.
22773 1649 2911 121 Cox Communications Inc.
20115 1643 1570 613 Charter Communications
4323 1570 1059 384 tw telecom holdings, inc.
30036 1440 267 746 Mediacom Communications Corp
7018 1231 10046 829 AT&T Services, Inc.
11492 1189 216 356 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 1724 544 16 Corbina telecom
2118 1239 97 14 EUnet/RELCOM Autonomous Syste
12479 741 713 90 France Telecom Espana SA
34984 710 188 172 BILISIM TELEKOM
31148 685 37 9 FreeNet ISP
20940 665 221 526 Akamai Technologies European
6830 659 2219 425 UPC Broadband
9116 512 326 31 Goldenlines main autonomous s
8551 503 364 61 Bezeq International
3320 490 8442 403 Deutsche Telekom AG
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 1966 342 205 Types of queries are: POCs, o
28573 1934 1191 53 Types of queries are: POCs, o
6503 1519 418 67 Axtel, S.A.B. de C.V.
7303 1440 901 195 Telecom Argentina S.A.
8151 1345 3049 331 Uninet S.A. de C.V.
26615 900 696 35 Tim Celular S.A.
27947 682 74 87 Telconet S.A
11172 648 107 75 Alestra, S. de R.L. de C.V.
3816 587 245 92 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 1248 958 13 TEDATA
24863 855 274 32 LINKdotNET AS number
6713 497 649 18 Itissalat Al-MAGHRIB
24835 321 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
12258 197 28 62 Vodacom Internet Company
33776 197 12 21 Starcomms Nigeria Limited
29975 167 571 19 Vodacom
16637 160 664 88 MTN Network Solutions
29571 157 15 16 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
6389 3406 3791 192 BellSouth.net Inc.
7029 3336 1016 171 Windstream Communications Inc
18566 2091 382 180 Covad Communications Co.
4766 1996 11103 747 Korea Telecom (KIX)
10620 1966 342 205 Types of queries are: POCs, o
28573 1934 1191 53 Types of queries are: POCs, o
1785 1920 681 132 PaeTec Communications, Inc.
17974 1853 531 82 PT Telekomunikasi Indonesia
8402 1724 544 16 Corbina telecom
7545 1680 301 85 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
7029 3336 3165 Windstream Communications Inc
18566 2091 1911 Covad Communications Co.
28573 1934 1881 Types of queries are: POCs, o
1785 1920 1788 PaeTec Communications, Inc.
17974 1853 1771 PT Telekomunikasi Indonesia
10620 1966 1761 Types of queries are: POCs, o
8402 1724 1708 Corbina telecom
7545 1680 1595 TPG Internet Pty Ltd
22773 1649 1528 Cox Communications Inc.
6503 1519 1452 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
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.
21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T Services, Inc.
19577 UNALLOCATED 12.41.188.0/24 7832 WW/Precision Communi
13317 UNALLOCATED 12.44.10.0/24 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
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
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
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
41.188.64.0/18 29544 Mauritanian Telecommunication
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 /9:13 /10:29 /11:83 /12:236
/13:460 /14:832 /15:1504 /16:12249 /17:6306 /18:10595
/19:20672 /20:29404 /21:30843 /22:40297 /23:38314 /24:214566
/25:11 /26:21 /27:20 /28:155 /29:149 /30:83
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2676 3336 Windstream Communications Inc
18566 2040 2091 Covad Communications Co.
6389 1876 3406 BellSouth.net Inc.
8402 1421 1724 Corbina telecom
30036 1380 1440 Mediacom Communications Corp
11492 1152 1189 CABLE ONE, INC.
22773 1081 1649 Cox Communications Inc.
6503 1058 1519 Axtel, S.A.B. de C.V.
1785 1033 1920 PaeTec Communications, Inc.
8452 1017 1248 TEDATA
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:559 2:753 3:1 4:13 5:63 6:3
8:424 12:1982 13:1 14:614 15:12 16:3
17:5 20:24 23:181 24:1773 27:1309 31:1012
32:51 33:2 34:2 36:9 37:568 38:808
40:127 41:3091 42:136 44:3 46:1425 47:2
49:396 50:560 52:13 54:12 55:7 56:1
57:39 58:924 59:494 60:253 61:1118 62:1005
63:2033 64:4230 65:2248 66:4443 67:2011 68:1157
69:3161 70:977 71:509 72:1826 74:2600 75:474
76:329 77:936 78:972 79:492 80:1218 81:946
82:663 83:525 84:505 85:1178 86:424 87:940
88:339 89:1723 90:293 91:4940 92:570 93:1411
94:1593 95:1213 96:364 97:316 98:886 99:35
100:17 101:243 103:1156 106:103 107:185 108:317
109:1391 110:770 111:911 112:410 113:602 114:629
115:840 116:925 117:713 118:905 119:1202 120:338
121:676 122:1638 123:1094 124:1330 125:1242 128:528
129:191 130:246 131:629 132:277 133:22 134:233
135:61 136:213 137:236 138:333 139:189 140:468
141:252 142:398 143:378 144:510 145:73 146:505
147:292 148:752 149:313 150:159 151:181 152:470
153:174 154:15 155:460 156:220 157:337 158:188
159:529 160:343 161:244 162:351 163:179 164:630
165:409 166:588 167:473 168:910 169:126 170:884
171:138 172:4 173:1780 174:599 175:422 176:546
177:793 178:1469 180:1247 181:97 182:971 183:227
184:536 185:1 186:2315 187:1116 188:1347 189:1835
190:5614 192:5972 193:5534 194:4541 195:3402 196:1201
197:155 198:3620 199:4747 200:5804 201:1957 202:8365
203:8455 204:4268 205:2517 206:2715 207:2722 208:4027
209:3590 210:2719 211:1528 212:2038 213:1934 214:868
215:87 216:5038 217:1576 218:537 219:306 220:1240
221:556 222:286 223:340
End of report
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