* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 10 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 431369
Prefixes after maximum aggregation: 179078
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215665
Total ASes present in the Internet Routing Table: 39583
Prefixes per ASN: 10.90
Origin-only ASes present in the Internet Routing Table: 34040
Origin ASes announcing only one prefix: 15937
Transit ASes present in the Internet Routing Table: 5543
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 ( 12445) 26
Prefixes from unregistered ASNs in the Routing Table: 966
Unregistered ASNs in the Routing Table: 166
Number of 32-bit ASNs allocated by the RIRs: 3629
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8840
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 178
Number of addresses announced to Internet: 2643606800
Equivalent to 157 /8s, 146 /16s and 61 /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: 150598
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99840
Total APNIC prefixes after maximum aggregation: 31459
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 101443
Unique aggregates announced from the APNIC address blocks: 43494
APNIC Region origin ASes present in the Internet Routing Table: 4758
APNIC Prefixes per ASN: 21.32
APNIC Region origin ASes announcing only one prefix: 1270
APNIC Region transit ASes present in the Internet Routing Table: 763
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: 715884032
Equivalent to 42 /8s, 171 /16s and 134 /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: 153755
Total ARIN prefixes after maximum aggregation: 78038
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154433
Unique aggregates announced from the ARIN address blocks: 70707
ARIN Region origin ASes present in the Internet Routing Table: 15312
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5808
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: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1090253568
Equivalent to 64 /8s, 251 /16s and 243 /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: 113286
Total RIPE prefixes after maximum aggregation: 58215
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 116348
Unique aggregates announced from the RIPE address blocks: 74385
RIPE Region origin ASes present in the Internet Routing Table: 17004
RIPE Prefixes per ASN: 6.84
RIPE Region origin ASes announcing only one prefix: 8162
RIPE Region transit ASes present in the Internet Routing Table: 2727
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: 650201872
Equivalent to 38 /8s, 193 /16s and 75 /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: 44823
Total LACNIC prefixes after maximum aggregation: 8930
LACNIC Deaggregation factor: 5.02
Prefixes being announced from the LACNIC address blocks: 48355
Unique aggregates announced from the LACNIC address blocks: 23193
LACNIC Region origin ASes present in the Internet Routing Table: 1760
LACNIC Prefixes per ASN: 27.47
LACNIC Region origin ASes announcing only one prefix: 506
LACNIC Region transit ASes present in the Internet Routing Table: 321
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: 121221888
Equivalent to 7 /8s, 57 /16s and 179 /24s
Percentage of available LACNIC address space announced: 72.3
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: 10066
Total AfriNIC prefixes after maximum aggregation: 2383
AfriNIC Deaggregation factor: 4.22
Prefixes being announced from the AfriNIC address blocks: 10611
Unique aggregates announced from the AfriNIC address blocks: 3726
AfriNIC Region origin ASes present in the Internet Routing Table: 594
AfriNIC Prefixes per ASN: 17.86
AfriNIC Region origin ASes announcing only one prefix: 191
AfriNIC Region transit ASes present in the Internet Routing Table: 128
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: 43477248
Equivalent to 2 /8s, 151 /16s and 105 /24s
Percentage of available AfriNIC address space announced: 43.2
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 2466 828 53 PT Telekomunikasi Indonesia
4766 2116 11548 618 Korea Telecom (KIX)
7545 1810 301 89 TPG Internet Pty Ltd
4755 1644 381 174 TATA Communications formerly
9829 1417 1156 42 National Internet Backbone
9583 1191 89 507 Sify Limited
7552 1092 1070 12 Vietel Corporation
9498 1052 309 74 BHARTI Airtel Ltd.
24560 1037 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 3115 3701 131 BellSouth.net Inc.
7029 2286 1265 212 Windstream Communications Inc
18566 2078 382 178 Covad Communications Co.
22773 1954 2932 131 Cox Communications Inc.
1785 1944 677 123 PaeTec Communications, Inc.
20115 1689 1603 620 Charter Communications
4323 1594 1171 396 tw telecom holdings, inc.
30036 1352 287 693 Mediacom Communications Corp
7018 1304 10582 862 AT&T Services, Inc.
7011 1205 320 684 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 1772 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 906 212 231 BILISIM TELEKOM
12479 869 777 64 France Telecom Espana SA
13188 769 96 117 Ukraine
31148 743 38 13 FreeNet ISP
20940 729 242 573 Akamai Technologies European
6830 714 2313 435 UPC Broadband
8551 673 367 39 Bezeq International
58113 633 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
28573 2280 1303 73 Types of queries are: POCs, o
10620 2271 387 210 Types of queries are: POCs, o
7303 1674 1139 202 Telecom Argentina S.A.
6503 1446 435 69 Axtel, S.A.B. de C.V.
8151 1400 2897 360 Uninet S.A. de C.V.
18881 750 716 18 Global Village Telecom
27947 745 86 90 Telconet S.A
3816 672 309 70 Types of queries are: POCs, o
11172 602 101 66 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 880 275 36 LINKdotNET AS number
36998 774 80 4 MOBITEL
8452 540 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
37054 210 11 5 Data Telecom Service
15399 197 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 3115 3701 131 BellSouth.net Inc.
17974 2466 828 53 PT Telekomunikasi Indonesia
7029 2286 1265 212 Windstream Communications Inc
28573 2280 1303 73 Types of queries are: POCs, o
10620 2271 387 210 Types of queries are: POCs, o
4766 2116 11548 618 Korea Telecom (KIX)
18566 2078 382 178 Covad Communications Co.
22773 1954 2932 131 Cox Communications Inc.
1785 1944 677 123 PaeTec Communications, Inc.
7545 1810 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 2466 2413 PT Telekomunikasi Indonesia
28573 2280 2207 Types of queries are: POCs, o
7029 2286 2074 Windstream Communications Inc
10620 2271 2061 Types of queries are: POCs, o
18566 2078 1900 Covad Communications Co.
22773 1954 1823 Cox Communications Inc.
1785 1944 1821 PaeTec Communications, Inc.
8402 1772 1756 Corbina telecom
7545 1810 1721 TPG Internet Pty Ltd
4766 2116 1498 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
64.66.32.0/20 18864 >>UNKNOWN<<
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.
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 /14:861 /15:1560 /16:12450 /17:6596 /18:10849
/19:21567 /20:30999 /21:32951 /22:43818 /23:40344 /24:227902
/25:9 /26:11 /27:11 /28:145 /29:187 /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 3115 BellSouth.net Inc.
7029 1642 2286 Windstream Communications Inc
8402 1494 1772 Corbina telecom
22773 1285 1954 Cox Communications Inc.
30036 1252 1352 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 954 1205 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:659 2:719 3:3 4:13 5:704 6:3
8:478 12:1927 13:3 14:686 15:11 16:3
17:6 20:27 23:220 24:1789 27:1470 31:1392
32:49 33:2 34:2 36:11 37:1168 38:831
39:2 40:139 41:2772 42:180 44:3 46:1709
47:3 49:531 50:645 52:12 54:28 55:8
57:31 58:993 59:557 60:229 61:1304 62:1047
63:2035 64:4302 65:2160 66:4263 67:2117 68:1130
69:3310 70:864 71:542 72:1885 74:2546 75:407
76:296 77:1047 78:1032 79:538 80:1222 81:978
82:662 83:536 84:530 85:1168 86:467 87:976
88:359 89:1735 90:303 91:5391 92:613 93:1617
94:1992 95:1643 96:489 97:337 98:969 99:49
100:29 101:298 103:1946 105:583 106:125 107:208
108:485 109:1745 110:825 111:993 112:464 113:717
114:664 115:886 116:884 117:763 118:959 119:1239
120:324 121:690 122:1696 123:1172 124:1282 125:1303
128:779 129:188 130:297 131:641 132:314 133:142
134:241 135:62 136:215 137:232 138:342 139:157
140:156 141:298 142:496 143:373 144:481 145:89
146:510 147:297 148:717 149:334 150:155 151:254
152:396 153:188 154:23 155:443 156:230 157:334
158:257 159:612 160:335 161:397 162:366 163:181
164:578 165:455 166:458 167:570 168:1002 169:129
170:1001 171:162 172:4 173:1520 174:751 175:415
176:948 177:1519 178:1703 180:1363 181:191 182:1148
183:295 184:652 185:157 186:2175 187:1433 188:1919
189:1559 190:6189 192:6063 193:5722 194:4503 195:3596
196:1251 197:353 198:4020 199:5137 200:5932 201:2026
202:8577 203:8625 204:4401 205:2523 206:2696 207:2701
208:4061 209:3519 210:2782 211:1554 212:2007 213:1889
214:880 215:90 216:5036 217:1581 218:585 219:305
220:1260 221:528 222:316 223:396
End of report
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