* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 05 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 435179
Prefixes after maximum aggregation: 179835
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 216728
Total ASes present in the Internet Routing Table: 39707
Prefixes per ASN: 10.96
Origin-only ASes present in the Internet Routing Table: 34135
Origin ASes announcing only one prefix: 15971
Transit ASes present in the Internet Routing Table: 5572
Transit-only ASes present in the Internet Routing Table: 124
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: 968
Unregistered ASNs in the Routing Table: 166
Number of 32-bit ASNs allocated by the RIRs: 3733
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 9130
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 197
Number of addresses announced to Internet: 2635943184
Equivalent to 157 /8s, 29 /16s and 77 /24s
Percentage of available address space announced: 71.2
Percentage of allocated address space announced: 71.2
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: 152050
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 100576
Total APNIC prefixes after maximum aggregation: 31720
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 102246
Unique aggregates announced from the APNIC address blocks: 43716
APNIC Region origin ASes present in the Internet Routing Table: 4770
APNIC Prefixes per ASN: 21.44
APNIC Region origin ASes announcing only one prefix: 1268
APNIC Region transit ASes present in the Internet Routing Table: 778
Average APNIC Region AS path length visible: 3.9
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: 716969984
Equivalent to 42 /8s, 188 /16s and 24 /24s
Percentage of available APNIC address space announced: 83.8
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: 153978
Total ARIN prefixes after maximum aggregation: 78218
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154654
Unique aggregates announced from the ARIN address blocks: 70781
ARIN Region origin ASes present in the Internet Routing Table: 15369
ARIN Prefixes per ASN: 10.06
ARIN Region origin ASes announcing only one prefix: 5834
ARIN Region transit ASes present in the Internet Routing Table: 1533
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: 1075760384
Equivalent to 64 /8s, 30 /16s and 205 /24s
Percentage of available ARIN address space announced: 56.9
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: 114009
Total RIPE prefixes after maximum aggregation: 58472
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 117117
Unique aggregates announced from the RIPE address blocks: 74907
RIPE Region origin ASes present in the Internet Routing Table: 17032
RIPE Prefixes per ASN: 6.88
RIPE Region origin ASes announcing only one prefix: 8167
RIPE Region transit ASes present in the Internet Routing Table: 2730
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: 653007376
Equivalent to 38 /8s, 236 /16s and 26 /24s
Percentage of available RIPE address space announced: 94.9
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: 46058
Total LACNIC prefixes after maximum aggregation: 8961
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 49689
Unique aggregates announced from the LACNIC address blocks: 23428
LACNIC Region origin ASes present in the Internet Routing Table: 1788
LACNIC Prefixes per ASN: 27.79
LACNIC Region origin ASes announcing only one prefix: 521
LACNIC Region transit ASes present in the Internet Routing Table: 322
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: 123202048
Equivalent to 7 /8s, 87 /16s and 234 /24s
Percentage of available LACNIC address space announced: 73.4
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: 10665
Total AfriNIC prefixes after maximum aggregation: 2412
AfriNIC Deaggregation factor: 4.42
Prefixes being announced from the AfriNIC address blocks: 11275
Unique aggregates announced from the AfriNIC address blocks: 3719
AfriNIC Region origin ASes present in the Internet Routing Table: 594
AfriNIC Prefixes per ASN: 18.98
AfriNIC Region origin ASes announcing only one prefix: 181
AfriNIC Region transit ASes present in the Internet Routing Table: 125
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 44392448
Equivalent to 2 /8s, 165 /16s and 96 /24s
Percentage of available AfriNIC address space announced: 44.1
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 2462 828 53 PT Telekomunikasi Indonesia
4766 2121 11549 627 Korea Telecom (KIX)
7545 1821 301 89 TPG Internet Pty Ltd
4755 1661 382 188 TATA Communications formerly
9829 1430 1148 44 National Internet Backbone
9583 1199 90 507 Sify Limited
7552 1151 1070 12 Vietel Corporation
9498 1053 310 75 BHARTI Airtel Ltd.
24560 1044 385 160 Bharti Airtel Ltd., Telemedia
18101 1016 135 170 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 3091 3698 114 BellSouth.net Inc.
7029 2273 1265 211 Windstream Communications Inc
18566 2077 382 181 Covad Communications Co.
22773 1964 2931 128 Cox Communications Inc.
1785 1951 678 125 PaeTec Communications, Inc.
20115 1687 1608 624 Charter Communications
4323 1597 1171 394 tw telecom holdings, inc.
30036 1345 287 702 Mediacom Communications Corp
7018 1306 10584 866 AT&T Services, Inc.
7011 1198 314 681 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 1801 544 16 Corbina telecom
2118 1114 97 13 EUnet/RELCOM Autonomous Syste
34984 977 231 207 BILISIM TELEKOM
13188 854 99 22 Ukraine
12479 838 780 66 France Telecom Espana SA
31148 756 39 17 FreeNet ISP
20940 744 254 590 Akamai Technologies European
8551 733 367 39 Bezeq International
6830 713 2313 434 UPC Broadband
34744 661 186 47 SC GVM SISTEM 2003 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 2323 1315 81 Types of queries are: POCs, o
10620 2308 395 224 Types of queries are: POCs, o
7303 1679 1147 206 Telecom Argentina S.A.
6503 1465 435 69 Axtel, S.A.B. de C.V.
8151 1389 2889 377 Uninet S.A. de C.V.
14754 910 115 72 Telgua
18881 756 716 18 Global Village Telecom
27947 753 86 91 Telconet S.A
3816 676 307 85 Types of queries are: POCs, o
11172 604 102 67 Alestra, S. de R.L. de C.V.
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 898 275 36 LINKdotNET AS number
8452 512 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 329 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
37054 201 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 3091 3698 114 BellSouth.net Inc.
17974 2462 828 53 PT Telekomunikasi Indonesia
28573 2323 1315 81 Types of queries are: POCs, o
10620 2308 395 224 Types of queries are: POCs, o
7029 2273 1265 211 Windstream Communications Inc
4766 2121 11549 627 Korea Telecom (KIX)
18566 2077 382 181 Covad Communications Co.
22773 1964 2931 128 Cox Communications Inc.
1785 1951 678 125 PaeTec Communications, Inc.
7545 1821 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
17974 2462 2409 PT Telekomunikasi Indonesia
28573 2323 2242 Types of queries are: POCs, o
10620 2308 2084 Types of queries are: POCs, o
7029 2273 2062 Windstream Communications Inc
18566 2077 1896 Covad Communications Co.
22773 1964 1836 Cox Communications Inc.
1785 1951 1826 PaeTec Communications, Inc.
8402 1801 1785 Corbina telecom
7545 1821 1732 TPG Internet Pty Ltd
4766 2121 1494 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 7018 AT&T Services, Inc.
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
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 /8:18 /9:13 /10:30 /11:88 /12:247
/13:480 /14:867 /15:1554 /16:12519 /17:6616 /18:10894
/19:21719 /20:31094 /21:33183 /22:44783 /23:40411 /24:230059
/25:9 /26:11 /27:11 /28:143 /29:189 /30:99
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2027 2077 Covad Communications Co.
6389 1768 3091 BellSouth.net Inc.
7029 1636 2273 Windstream Communications Inc
8402 1538 1801 Corbina telecom
22773 1291 1964 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1237 1345 Mediacom Communications Corp
11492 1158 1195 CABLE ONE, INC.
1785 1032 1951 PaeTec Communications, Inc.
6503 979 1465 Axtel, S.A.B. de C.V.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:625 2:734 3:3 4:13 5:745 6:3
8:488 12:1931 13:3 14:695 15:11 16:3
17:8 20:24 23:239 24:1795 27:1474 31:1147
32:49 33:2 34:5 36:10 37:1297 38:841
39:2 40:139 41:2825 42:169 44:4 46:1718
47:1 49:546 50:637 52:12 54:28 55:7
57:31 58:999 59:554 60:246 61:1306 62:1046
63:2023 64:4332 65:2150 66:4258 67:2016 68:1120
69:3230 70:859 71:534 72:1878 74:2529 75:420
76:290 77:1052 78:1018 79:550 80:1206 81:989
82:649 83:535 84:575 85:1146 86:479 87:982
88:371 89:1744 90:286 91:5386 92:618 93:1705
94:2016 95:1609 96:489 97:333 98:1052 99:49
100:29 101:301 103:2056 105:519 106:131 107:208
108:491 109:1749 110:828 111:999 112:480 113:722
114:680 115:912 116:856 117:777 118:976 119:1235
120:377 121:684 122:1693 123:1181 124:1282 125:1306
128:504 129:188 130:300 131:637 132:320 133:143
134:244 135:62 136:218 137:230 138:340 139:153
140:190 141:302 142:495 143:363 144:469 145:89
146:519 147:329 148:707 149:340 150:153 151:327
152:398 153:190 154:24 155:364 156:237 157:349
158:259 159:630 160:334 161:393 162:371 163:190
164:575 165:444 166:457 167:573 168:1007 169:129
170:1011 171:163 172:4 173:1544 174:614 175:424
176:1072 177:1635 178:1729 180:1370 181:221 182:1137
183:322 184:628 185:201 186:2212 187:1474 188:1949
189:1542 190:6552 192:6240 193:5679 194:4647 195:3664
196:1307 197:889 198:4071 199:5167 200:5948 201:2180
202:8625 203:8669 204:4394 205:2520 206:2707 207:2721
208:4054 209:3501 210:2796 211:1560 212:2019 213:1893
214:902 215:93 216:5065 217:1583 218:578 219:309
220:1264 221:551 222:335 223:413
End of report
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