* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 08 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 431019
Prefixes after maximum aggregation: 178928
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215376
Total ASes present in the Internet Routing Table: 39561
Prefixes per ASN: 10.90
Origin-only ASes present in the Internet Routing Table: 34015
Origin ASes announcing only one prefix: 15929
Transit ASes present in the Internet Routing Table: 5546
Transit-only ASes present in the Internet Routing Table: 125
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: 973
Unregistered ASNs in the Routing Table: 167
Number of 32-bit ASNs allocated by the RIRs: 3625
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8839
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 177
Number of addresses announced to Internet: 2641406224
Equivalent to 157 /8s, 112 /16s and 169 /24s
Percentage of available address space announced: 71.3
Percentage of allocated address space announced: 71.3
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: 150372
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99923
Total APNIC prefixes after maximum aggregation: 31461
APNIC Deaggregation factor: 3.18
Prefixes being announced from the APNIC address blocks: 101526
Unique aggregates announced from the APNIC address blocks: 43471
APNIC Region origin ASes present in the Internet Routing Table: 4761
APNIC Prefixes per ASN: 21.32
APNIC Region origin ASes announcing only one prefix: 1272
APNIC Region transit ASes present in the Internet Routing Table: 770
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: 715681280
Equivalent to 42 /8s, 168 /16s and 110 /24s
Percentage of available APNIC address space announced: 83.6
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: 153653
Total ARIN prefixes after maximum aggregation: 78005
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154350
Unique aggregates announced from the ARIN address blocks: 70651
ARIN Region origin ASes present in the Internet Routing Table: 15302
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5799
ARIN Region transit ASes present in the Internet Routing Table: 1531
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: 1090222336
Equivalent to 64 /8s, 251 /16s and 121 /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: 113239
Total RIPE prefixes after maximum aggregation: 58215
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 116279
Unique aggregates announced from the RIPE address blocks: 74358
RIPE Region origin ASes present in the Internet Routing Table: 17012
RIPE Prefixes per ASN: 6.84
RIPE Region origin ASes announcing only one prefix: 8171
RIPE Region transit ASes present in the Internet Routing Table: 2724
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: 650163728
Equivalent to 38 /8s, 192 /16s and 182 /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: 44607
Total LACNIC prefixes after maximum aggregation: 8831
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 48132
Unique aggregates announced from the LACNIC address blocks: 23085
LACNIC Region origin ASes present in the Internet Routing Table: 1742
LACNIC Prefixes per ASN: 27.63
LACNIC Region origin ASes announcing only one prefix: 501
LACNIC Region transit ASes present in the Internet Routing Table: 316
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: 119659264
Equivalent to 7 /8s, 33 /16s and 219 /24s
Percentage of available LACNIC address space announced: 71.3
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: 9994
Total AfriNIC prefixes after maximum aggregation: 2363
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 10554
Unique aggregates announced from the AfriNIC address blocks: 3652
AfriNIC Region origin ASes present in the Internet Routing Table: 588
AfriNIC Prefixes per ASN: 17.95
AfriNIC Region origin ASes announcing only one prefix: 186
AfriNIC Region transit ASes present in the Internet Routing Table: 126
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: 43097856
Equivalent to 2 /8s, 145 /16s and 159 /24s
Percentage of available AfriNIC address space announced: 42.8
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 2467 828 53 PT Telekomunikasi Indonesia
4766 2117 11548 618 Korea Telecom (KIX)
7545 1808 301 89 TPG Internet Pty Ltd
4755 1645 381 174 TATA Communications formerly
9829 1409 1155 41 National Internet Backbone
9583 1189 89 506 Sify Limited
7552 1124 1070 12 Vietel Corporation
9498 1052 309 74 BHARTI Airtel Ltd.
24560 1038 385 161 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 3116 3701 131 BellSouth.net Inc.
7029 2285 1265 212 Windstream Communications Inc
18566 2075 381 182 Covad Communications Co.
22773 1954 2932 131 Cox Communications Inc.
1785 1943 677 123 PaeTec Communications, Inc.
20115 1685 1603 620 Charter Communications
4323 1593 1171 396 tw telecom holdings, inc.
30036 1349 287 701 Mediacom Communications Corp
7018 1301 10582 861 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 1728 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 921 216 243 BILISIM TELEKOM
12479 869 777 64 France Telecom Espana SA
13188 769 96 117 Ukraine
20940 743 249 585 Akamai Technologies European
31148 743 38 15 FreeNet ISP
6830 714 2313 435 UPC Broadband
8551 664 367 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
10620 2269 387 211 Types of queries are: POCs, o
28573 2268 1299 70 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 1403 2903 358 Uninet S.A. de C.V.
18881 748 716 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 877 275 36 LINKdotNET AS number
36998 769 48 3 MOBITEL
8452 541 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
37054 210 11 5 Data Telecom Service
15399 195 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 3116 3701 131 BellSouth.net Inc.
17974 2467 828 53 PT Telekomunikasi Indonesia
7029 2285 1265 212 Windstream Communications Inc
10620 2269 387 211 Types of queries are: POCs, o
28573 2268 1299 70 Types of queries are: POCs, o
4766 2117 11548 618 Korea Telecom (KIX)
18566 2075 381 182 Covad Communications Co.
22773 1954 2932 131 Cox Communications Inc.
1785 1943 677 123 PaeTec Communications, Inc.
7545 1808 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 2467 2414 PT Telekomunikasi Indonesia
28573 2268 2198 Types of queries are: POCs, o
7029 2285 2073 Windstream Communications Inc
10620 2269 2058 Types of queries are: POCs, o
18566 2075 1893 Covad Communications Co.
22773 1954 1823 Cox Communications Inc.
1785 1943 1820 PaeTec Communications, Inc.
7545 1808 1719 TPG Internet Pty Ltd
8402 1728 1712 Corbina telecom
4766 2117 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.
128.0.64.0/22 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
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
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 /15:1557 /16:12437 /17:6583 /18:10821
/19:21580 /20:30966 /21:32907 /22:43787 /23:40322 /24:227721
/25:9 /26:11 /27:11 /28:146 /29:188 /30:96
/31:0 /32:145
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2025 2075 Covad Communications Co.
6389 1772 3116 BellSouth.net Inc.
7029 1641 2285 Windstream Communications Inc
8402 1455 1728 Corbina telecom
22773 1285 1954 Cox Communications Inc.
30036 1250 1349 Mediacom Communications Corp
11492 1156 1193 CABLE ONE, INC.
1785 1027 1943 PaeTec Communications, Inc.
6503 976 1446 Axtel, S.A.B. de C.V.
7011 954 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)
----------------------------------------------
1:654 2:683 3:3 4:13 5:698 6:3
8:478 12:1936 13:3 14:686 15:11 16:3
17:6 20:27 23:220 24:1777 27:1471 31:1388
32:49 33:2 34:2 36:10 37:1166 38:833
39:2 40:139 41:2769 42:180 44:3 46:1710
47:3 49:530 50:644 52:12 54:28 55:8
57:31 58:993 59:558 60:230 61:1304 62:1048
63:2019 64:4297 65:2176 66:4250 67:2120 68:1130
69:3304 70:862 71:541 72:1887 74:2545 75:407
76:296 77:1041 78:1032 79:538 80:1225 81:983
82:662 83:531 84:529 85:1165 86:466 87:971
88:359 89:1740 90:303 91:5383 92:611 93:1614
94:1987 95:1637 96:489 97:337 98:969 99:49
100:29 101:296 103:1957 105:512 106:125 107:207
108:488 109:1743 110:826 111:986 112:466 113:718
114:671 115:877 116:882 117:761 118:964 119:1234
120:367 121:695 122:1695 123:1169 124:1280 125:1303
128:774 129:189 130:296 131:641 132:314 133:142
134:241 135:62 136:208 137:233 138:342 139:158
140:156 141:298 142:494 143:353 144:478 145:89
146:513 147:298 148:717 149:333 150:153 151:247
152:396 153:188 154:23 155:443 156:229 157:334
158:257 159:607 160:335 161:397 162:366 163:181
164:579 165:455 166:458 167:569 168:1003 169:129
170:999 171:163 172:4 173:1515 174:752 175:470
176:947 177:1504 178:1700 180:1349 181:187 182:1135
183:291 184:652 185:157 186:2169 187:1432 188:1917
189:1544 190:6188 192:6061 193:5723 194:4501 195:3611
196:1257 197:350 198:3994 199:5144 200:5933 201:2034
202:8582 203:8608 204:4411 205:2519 206:2700 207:2703
208:4062 209:3521 210:2781 211:1554 212:2011 213:1887
214:875 215:91 216:5043 217:1580 218:584 219:304
220:1260 221:548 222:324 223:392
End of report
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