* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 15 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 431067
Prefixes after maximum aggregation: 179427
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 215815
Total ASes present in the Internet Routing Table: 39590
Prefixes per ASN: 10.89
Origin-only ASes present in the Internet Routing Table: 34040
Origin ASes announcing only one prefix: 15929
Transit ASes present in the Internet Routing Table: 5550
Transit-only ASes present in the Internet Routing Table: 119
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: 997
Unregistered ASNs in the Routing Table: 165
Number of 32-bit ASNs allocated by the RIRs: 3652
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8915
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 188
Number of addresses announced to Internet: 2644535568
Equivalent to 157 /8s, 160 /16s and 105 /24s
Percentage of available address space announced: 71.4
Percentage of allocated address space announced: 71.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.1
Total number of prefixes smaller than registry allocations: 149977
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 100001
Total APNIC prefixes after maximum aggregation: 31587
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 101650
Unique aggregates announced from the APNIC address blocks: 43583
APNIC Region origin ASes present in the Internet Routing Table: 4764
APNIC Prefixes per ASN: 21.34
APNIC Region origin ASes announcing only one prefix: 1271
APNIC Region transit ASes present in the Internet Routing Table: 768
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 715810816
Equivalent to 42 /8s, 170 /16s and 104 /24s
Percentage of available APNIC address space announced: 83.7
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: 153811
Total ARIN prefixes after maximum aggregation: 78135
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154453
Unique aggregates announced from the ARIN address blocks: 70729
ARIN Region origin ASes present in the Internet Routing Table: 15320
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5806
ARIN Region transit ASes present in the Internet Routing Table: 1525
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1090713088
Equivalent to 65 /8s, 2 /16s and 246 /24s
Percentage of available ARIN address space announced: 57.7
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: 112738
Total RIPE prefixes after maximum aggregation: 58286
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 115727
Unique aggregates announced from the RIPE address blocks: 74215
RIPE Region origin ASes present in the Internet Routing Table: 17000
RIPE Prefixes per ASN: 6.81
RIPE Region origin ASes announcing only one prefix: 8157
RIPE Region transit ASes present in the Internet Routing Table: 2725
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: 0
Number of RIPE addresses announced to Internet: 650168336
Equivalent to 38 /8s, 192 /16s and 200 /24s
Percentage of available RIPE address space announced: 94.5
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: 44778
Total LACNIC prefixes after maximum aggregation: 8967
LACNIC Deaggregation factor: 4.99
Prefixes being announced from the LACNIC address blocks: 48350
Unique aggregates announced from the LACNIC address blocks: 23325
LACNIC Region origin ASes present in the Internet Routing Table: 1764
LACNIC Prefixes per ASN: 27.41
LACNIC Region origin ASes announcing only one prefix: 507
LACNIC Region transit ASes present in the Internet Routing Table: 323
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: 121175040
Equivalent to 7 /8s, 56 /16s and 252 /24s
Percentage of available LACNIC address space announced: 72.2
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: 10044
Total AfriNIC prefixes after maximum aggregation: 2400
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 10698
Unique aggregates announced from the AfriNIC address blocks: 3793
AfriNIC Region origin ASes present in the Internet Routing Table: 593
AfriNIC Prefixes per ASN: 18.04
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 124
Average AfriNIC Region AS path length visible: 3.3
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: 44101888
Equivalent to 2 /8s, 160 /16s and 241 /24s
Percentage of available AfriNIC address space announced: 43.8
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 2454 828 53 PT Telekomunikasi Indonesia
4766 2127 11549 628 Korea Telecom (KIX)
7545 1812 301 87 TPG Internet Pty Ltd
4755 1647 381 175 TATA Communications formerly
9829 1424 1156 42 National Internet Backbone
9583 1191 89 507 Sify Limited
7552 1137 1070 12 Vietel Corporation
9498 1051 310 74 BHARTI Airtel Ltd.
18101 1016 135 170 Reliance Infocom Ltd Internet
24560 1011 372 162 Bharti Airtel Ltd., Telemedia
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 3109 3701 127 BellSouth.net Inc.
7029 2286 1265 212 Windstream Communications Inc
18566 2078 382 178 Covad Communications Co.
22773 1956 2931 128 Cox Communications Inc.
1785 1944 677 123 PaeTec Communications, Inc.
20115 1686 1606 623 Charter Communications
4323 1594 1171 393 tw telecom holdings, inc.
30036 1356 288 697 Mediacom Communications Corp
7018 1305 10582 866 AT&T Services, Inc.
7011 1206 321 685 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 1747 544 16 Corbina telecom
2118 1050 97 13 EUnet/RELCOM Autonomous Syste
34984 910 212 235 BILISIM TELEKOM
12479 868 777 64 France Telecom Espana SA
13188 772 96 112 Ukraine
31148 744 38 14 FreeNet ISP
20940 725 244 576 Akamai Technologies European
6830 714 2313 435 UPC Broadband
8551 675 367 39 Bezeq International
58113 634 70 378 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
10620 2275 388 212 Types of queries are: POCs, o
28573 2261 1302 78 Types of queries are: POCs, o
7303 1670 1139 204 Telecom Argentina S.A.
6503 1446 435 69 Axtel, S.A.B. de C.V.
8151 1254 2873 360 Uninet S.A. de C.V.
18881 750 716 18 Global Village Telecom
27947 747 86 91 Telconet S.A
3816 669 306 84 Types of queries are: POCs, o
11172 604 102 68 Alestra, S. de R.L. de C.V.
7738 587 1242 34 Telecomunicacoes da Bahia S.A
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
24863 886 275 36 LINKdotNET AS number
36998 774 80 4 MOBITEL
8452 540 958 13 TEDATA
6713 492 600 19 Itissalat Al-MAGHRIB
24835 290 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
37054 210 11 5 Data Telecom Service
15399 201 29 7 Wananchi Online Limited
12258 193 28 67 Vodacom Internet Company
15706 191 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
6389 3109 3701 127 BellSouth.net Inc.
17974 2454 828 53 PT Telekomunikasi Indonesia
7029 2286 1265 212 Windstream Communications Inc
10620 2275 388 212 Types of queries are: POCs, o
28573 2261 1302 78 Types of queries are: POCs, o
4766 2127 11549 628 Korea Telecom (KIX)
18566 2078 382 178 Covad Communications Co.
22773 1956 2931 128 Cox Communications Inc.
1785 1944 677 123 PaeTec Communications, Inc.
7545 1812 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
17974 2454 2401 PT Telekomunikasi Indonesia
28573 2261 2183 Types of queries are: POCs, o
7029 2286 2074 Windstream Communications Inc
10620 2275 2063 Types of queries are: POCs, o
18566 2078 1900 Covad Communications Co.
22773 1956 1828 Cox Communications Inc.
1785 1944 1821 PaeTec Communications, Inc.
8402 1747 1731 Corbina telecom
7545 1812 1725 TPG Internet Pty Ltd
4766 2127 1499 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 7832 WW/Precision Communi
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
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.112.114.0/24 23884 Proimage Engineering and Comm
31.210.16.0/22 15657 Neural Networks ASN
41.222.80.0/21 37110 Moztel LDA
62.12.96.0/19 38478 SunnyVision Limited
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.
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 /8:19 /9:13 /10:30 /11:87 /12:246
/13:476 /14:862 /15:1558 /16:12465 /17:6602 /18:10860
/19:21605 /20:31082 /21:32994 /22:43963 /23:40332 /24:227275
/25:9 /26:11 /27:11 /28:144 /29:185 /30:96
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2028 2078 Covad Communications Co.
6389 1771 3109 BellSouth.net Inc.
7029 1642 2286 Windstream Communications Inc
8402 1472 1747 Corbina telecom
22773 1289 1956 Cox Communications Inc.
30036 1253 1356 Mediacom Communications Corp
11492 1157 1194 CABLE ONE, INC.
1785 1028 1944 PaeTec Communications, Inc.
6503 976 1446 Axtel, S.A.B. de C.V.
7011 955 1206 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:657 2:701 3:3 4:13 5:719 6:3
8:485 12:1923 13:3 14:687 15:11 16:3
17:6 20:27 23:221 24:1790 27:1481 31:1040
32:49 33:2 34:2 36:9 37:1166 38:835
39:2 40:139 41:2791 42:180 44:3 46:1722
47:1 49:536 50:645 52:12 54:28 55:8
57:31 58:993 59:558 60:236 61:1304 62:1038
63:2030 64:4299 65:2155 66:4302 67:2079 68:1116
69:3307 70:862 71:536 72:1876 74:2544 75:414
76:294 77:1041 78:1021 79:538 80:1219 81:989
82:665 83:538 84:530 85:1167 86:467 87:976
88:364 89:1722 90:303 91:5387 92:608 93:1667
94:1986 95:1526 96:489 97:339 98:966 99:49
100:29 101:301 103:1990 105:528 106:128 107:207
108:486 109:1774 110:832 111:989 112:461 113:723
114:673 115:897 116:884 117:766 118:963 119:1240
120:324 121:689 122:1697 123:1181 124:1281 125:1302
128:516 129:190 130:297 131:640 132:320 133:142
134:242 135:62 136:215 137:230 138:340 139:158
140:171 141:295 142:497 143:371 144:472 145:89
146:517 147:287 148:716 149:334 150:155 151:252
152:398 153:188 154:23 155:445 156:229 157:335
158:257 159:617 160:335 161:398 162:366 163:181
164:581 165:455 166:458 167:571 168:1002 169:129
170:1003 171:161 172:4 173:1519 174:753 175:417
176:1033 177:1548 178:1702 180:1366 181:193 182:1155
183:304 184:633 185:162 186:2188 187:1301 188:1903
189:1557 190:6172 192:6077 193:5721 194:4498 195:3600
196:1256 197:375 198:4025 199:5129 200:5971 201:2026
202:8581 203:8605 204:4400 205:2526 206:2696 207:2701
208:4078 209:3510 210:2782 211:1554 212:2018 213:1830
214:894 215:90 216:5027 217:1583 218:585 219:306
220:1260 221:528 222:316 223:398
End of report
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