* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 13 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 438862
Prefixes after maximum aggregation: 181125
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 218762
Total ASes present in the Internet Routing Table: 39930
Prefixes per ASN: 10.99
Origin-only ASes present in the Internet Routing Table: 34298
Origin ASes announcing only one prefix: 16030
Transit ASes present in the Internet Routing Table: 5624
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: 936
Unregistered ASNs in the Routing Table: 161
Number of 32-bit ASNs allocated by the RIRs: 4605
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 9669
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 195
Number of addresses announced to Internet: 2643321600
Equivalent to 157 /8s, 141 /16s and 227 /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: 94.3
Total number of prefixes smaller than registry allocations: 153595
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101455
Total APNIC prefixes after maximum aggregation: 31771
APNIC Deaggregation factor: 3.19
Prefixes being announced from the APNIC address blocks: 103213
Unique aggregates announced from the APNIC address blocks: 44061
APNIC Region origin ASes present in the Internet Routing Table: 4768
APNIC Prefixes per ASN: 21.65
APNIC Region origin ASes announcing only one prefix: 1262
APNIC Region transit ASes present in the Internet Routing Table: 778
Average APNIC Region AS path length visible: 4.0
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: 717908480
Equivalent to 42 /8s, 202 /16s and 106 /24s
Percentage of available APNIC address space announced: 83.9
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: 155195
Total ARIN prefixes after maximum aggregation: 78701
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 155893
Unique aggregates announced from the ARIN address blocks: 71500
ARIN Region origin ASes present in the Internet Routing Table: 15472
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5879
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: 38
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1078047744
Equivalent to 64 /8s, 65 /16s and 180 /24s
Percentage of available ARIN address space announced: 57.0
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: 114412
Total RIPE prefixes after maximum aggregation: 58972
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117799
Unique aggregates announced from the RIPE address blocks: 75395
RIPE Region origin ASes present in the Internet Routing Table: 17082
RIPE Prefixes per ASN: 6.90
RIPE Region origin ASes announcing only one prefix: 8160
RIPE Region transit ASes present in the Internet Routing Table: 2772
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: 654636032
Equivalent to 39 /8s, 4 /16s and 244 /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: 46520
Total LACNIC prefixes after maximum aggregation: 9198
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 50332
Unique aggregates announced from the LACNIC address blocks: 23894
LACNIC Region origin ASes present in the Internet Routing Table: 1845
LACNIC Prefixes per ASN: 27.28
LACNIC Region origin ASes announcing only one prefix: 546
LACNIC Region transit ASes present in the Internet Routing Table: 325
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: 3
Number of LACNIC addresses announced to Internet: 124510720
Equivalent to 7 /8s, 107 /16s and 226 /24s
Percentage of available LACNIC address space announced: 74.2
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: 10855
Total AfriNIC prefixes after maximum aggregation: 2433
AfriNIC Deaggregation factor: 4.46
Prefixes being announced from the AfriNIC address blocks: 11429
Unique aggregates announced from the AfriNIC address blocks: 3733
AfriNIC Region origin ASes present in the Internet Routing Table: 609
AfriNIC Prefixes per ASN: 18.77
AfriNIC Region origin ASes announcing only one prefix: 183
AfriNIC Region transit ASes present in the Internet Routing Table: 132
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: 1
Number of AfriNIC addresses announced to Internet: 45598720
Equivalent to 2 /8s, 183 /16s and 200 /24s
Percentage of available AfriNIC address space announced: 45.3
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 2486 838 83 PT Telekomunikasi Indonesia
4766 2116 11550 626 Korea Telecom (KIX)
7545 1827 301 88 TPG Internet Pty Ltd
4755 1683 390 188 TATA Communications formerly
9829 1455 1158 43 National Internet Backbone
9583 1285 98 534 Sify Limited
7552 1152 1070 12 Vietel Corporation
9498 1066 310 75 BHARTI Airtel Ltd.
24560 1058 385 161 Bharti Airtel Ltd., Telemedia
18101 1009 135 172 Reliance Infocom Ltd Internet
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 3047 3695 94 BellSouth.net Inc.
7029 2133 1266 215 Windstream Communications Inc
18566 2077 382 183 Covad Communications Co.
22773 1989 2929 124 Cox Communications Inc.
1785 1957 677 123 PaeTec Communications, Inc.
20115 1680 1611 622 Charter Communications
4323 1609 1155 401 tw telecom holdings, inc.
30036 1344 291 684 Mediacom Communications Corp
7018 1311 10841 857 AT&T Services, Inc.
11492 1209 222 328 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 1788 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1092 233 207 BILISIM TELEKOM
12479 839 784 69 France Telecom Espana SA
13188 839 99 30 Ukraine
8551 791 370 43 Bezeq International
20940 769 266 611 Akamai Technologies European
31148 768 40 18 FreeNet ISP
6830 715 2314 436 UPC Broadband
58113 662 73 384 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 2411 1332 86 Types of queries are: POCs, o
10620 2346 403 228 Types of queries are: POCs, o
7303 1681 1147 207 Telecom Argentina S.A.
6503 1252 435 70 Axtel, S.A.B. de C.V.
8151 1204 2721 393 Uninet S.A. de C.V.
14754 944 129 86 Telgua
18881 820 716 18 Global Village Telecom
27947 766 87 95 Telconet S.A
3816 693 307 87 Types of queries are: POCs, o
7738 650 1306 35 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
36998 1286 80 4 MOBITEL
24863 894 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 511 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
37054 206 11 5 Data Telecom Service
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
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 3047 3695 94 BellSouth.net Inc.
17974 2486 838 83 PT Telekomunikasi Indonesia
28573 2411 1332 86 Types of queries are: POCs, o
10620 2346 403 228 Types of queries are: POCs, o
7029 2133 1266 215 Windstream Communications Inc
4766 2116 11550 626 Korea Telecom (KIX)
18566 2077 382 183 Covad Communications Co.
22773 1989 2929 124 Cox Communications Inc.
1785 1957 677 123 PaeTec Communications, Inc.
7545 1827 301 88 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 2486 2403 PT Telekomunikasi Indonesia
28573 2411 2325 Types of queries are: POCs, o
10620 2346 2118 Types of queries are: POCs, o
7029 2133 1918 Windstream Communications Inc
18566 2077 1894 Covad Communications Co.
22773 1989 1865 Cox Communications Inc.
1785 1957 1834 PaeTec Communications, Inc.
8402 1788 1772 Corbina telecom
7545 1827 1739 TPG Internet Pty Ltd
4755 1683 1495 TATA Communications formerly
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
128.0.16.0/21 43568 Romerike Bredband AS
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
128.0.72.0/21 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
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
62.12.96.0/19 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.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 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
/13:480 /14:869 /15:1563 /16:12585 /17:6642 /18:10863
/19:21665 /20:31526 /21:33374 /22:45419 /23:41147 /24:231722
/25:9 /26:11 /27:12 /28:142 /29:194 /30:101
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2027 2077 Covad Communications Co.
6389 1750 3047 BellSouth.net Inc.
7029 1558 2133 Windstream Communications Inc
8402 1515 1788 Corbina telecom
22773 1303 1989 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1228 1344 Mediacom Communications Corp
11492 1171 1209 CABLE ONE, INC.
1785 1038 1957 PaeTec Communications, Inc.
7011 952 1200 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:686 2:755 3:3 4:13 5:701 6:3
8:504 12:1931 13:3 14:729 15:11 16:3
17:8 20:24 23:243 24:1794 27:1446 31:1187
32:39 33:2 34:5 36:27 37:1402 38:850
39:2 40:159 41:2834 42:177 44:4 46:1753
47:1 49:609 50:657 52:12 54:28 55:7
57:31 58:1002 59:564 60:291 61:1337 62:1018
63:2038 64:4289 65:2174 66:4256 67:2053 68:1104
69:3268 70:870 71:522 72:1900 74:2546 75:398
76:288 77:1088 78:1007 79:564 80:1232 81:976
82:649 83:557 84:557 85:1159 86:476 87:946
88:376 89:1745 90:262 91:5430 92:602 93:1739
94:1856 95:1595 96:497 97:336 98:1035 99:38
100:28 101:306 103:2262 105:517 106:131 107:203
108:496 109:1797 110:832 111:1023 112:492 113:747
114:683 115:918 116:864 117:792 118:994 119:1228
120:368 121:690 122:1700 123:1191 124:1287 125:1313
128:504 129:193 130:304 131:637 132:329 133:143
134:245 135:62 136:221 137:236 138:343 139:167
140:172 141:300 142:511 143:374 144:480 145:88
146:515 147:353 148:689 149:355 150:150 151:436
152:410 153:196 154:30 155:376 156:245 157:340
158:265 159:632 160:336 161:399 162:370 163:192
164:574 165:448 166:391 167:574 168:1005 169:128
170:1022 171:167 172:4 173:1590 174:573 175:425
176:1162 177:1772 178:1744 179:1 180:1375 181:269
182:1192 183:344 184:660 185:294 186:2334 187:1291
188:1928 189:1446 190:6620 192:6357 193:5675 194:4523
195:3474 196:1313 197:942 198:4145 199:5217 200:5950
201:2241 202:8637 203:8639 204:4425 205:2533 206:2691
207:2725 208:4066 209:3529 210:2783 211:1552 212:2036
213:1945 214:906 215:95 216:5184 217:1575 218:589
219:313 220:1259 221:537 222:314 223:476
End of report
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