* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 03 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 431482
Prefixes after maximum aggregation: 178894
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215415
Total ASes present in the Internet Routing Table: 39551
Prefixes per ASN: 10.91
Origin-only ASes present in the Internet Routing Table: 34014
Origin ASes announcing only one prefix: 15935
Transit ASes present in the Internet Routing Table: 5537
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: 981
Unregistered ASNs in the Routing Table: 169
Number of 32-bit ASNs allocated by the RIRs: 3616
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8773
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 178
Number of addresses announced to Internet: 2642366736
Equivalent to 157 /8s, 127 /16s and 81 /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: 150929
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99781
Total APNIC prefixes after maximum aggregation: 31446
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 101345
Unique aggregates announced from the APNIC address blocks: 43546
APNIC Region origin ASes present in the Internet Routing Table: 4764
APNIC Prefixes per ASN: 21.27
APNIC Region origin ASes announcing only one prefix: 1278
APNIC Region transit ASes present in the Internet Routing Table: 764
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: 715358976
Equivalent to 42 /8s, 163 /16s and 131 /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: 154614
Total ARIN prefixes after maximum aggregation: 77896
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155292
Unique aggregates announced from the ARIN address blocks: 70564
ARIN Region origin ASes present in the Internet Routing Table: 15286
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5802
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: 1090323200
Equivalent to 64 /8s, 253 /16s and 3 /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: 113140
Total RIPE prefixes after maximum aggregation: 58242
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 116155
Unique aggregates announced from the RIPE address blocks: 74330
RIPE Region origin ASes present in the Internet Routing Table: 17005
RIPE Prefixes per ASN: 6.83
RIPE Region origin ASes announcing only one prefix: 8164
RIPE Region transit ASes present in the Internet Routing Table: 2720
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: 650414096
Equivalent to 38 /8s, 196 /16s and 136 /24s
Percentage of available RIPE address space announced: 94.6
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: 44744
Total LACNIC prefixes after maximum aggregation: 8897
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 48288
Unique aggregates announced from the LACNIC address blocks: 23168
LACNIC Region origin ASes present in the Internet Routing Table: 1756
LACNIC Prefixes per ASN: 27.50
LACNIC Region origin ASes announcing only one prefix: 505
LACNIC Region transit ASes present in the Internet Routing Table: 319
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: 120799744
Equivalent to 7 /8s, 51 /16s and 66 /24s
Percentage of available LACNIC address space announced: 72.0
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: 9676
Total AfriNIC prefixes after maximum aggregation: 2360
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 10223
Unique aggregates announced from the AfriNIC address blocks: 3647
AfriNIC Region origin ASes present in the Internet Routing Table: 584
AfriNIC Prefixes per ASN: 17.51
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: 3.5
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: 42895104
Equivalent to 2 /8s, 142 /16s and 135 /24s
Percentage of available AfriNIC address space announced: 42.6
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 829 54 PT Telekomunikasi Indonesia
4766 2117 11548 618 Korea Telecom (KIX)
7545 1805 301 87 TPG Internet Pty Ltd
4755 1643 381 174 TATA Communications formerly
9829 1309 1155 42 National Internet Backbone
9583 1189 89 506 Sify Limited
7552 1129 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
7029 3456 1266 216 Windstream Communications Inc
6389 3117 3701 131 BellSouth.net Inc.
18566 2075 381 182 Covad Communications Co.
22773 1952 2932 131 Cox Communications Inc.
1785 1940 677 123 PaeTec Communications, Inc.
20115 1687 1603 617 Charter Communications
4323 1595 1171 396 tw telecom holdings, inc.
30036 1359 287 705 Mediacom Communications Corp
7018 1299 10582 859 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 1680 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 895 211 233 BILISIM TELEKOM
12479 869 777 64 France Telecom Espana SA
13188 769 96 116 Ukraine
31148 743 38 15 FreeNet ISP
20940 727 239 572 Akamai Technologies European
6830 715 2313 436 UPC Broadband
8551 660 367 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 2270 387 207 Types of queries are: POCs, o
28573 2265 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 1402 2910 352 Uninet S.A. de C.V.
27947 746 86 90 Telconet S.A
18881 741 716 18 Global Village Telecom
3816 672 309 70 Types of queries are: POCs, o
11172 602 101 66 Alestra, S. de R.L. de C.V.
7738 588 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 749 48 3 MOBITEL
8452 540 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 169 697 89 MTN Network Solutions
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
7029 3456 1266 216 Windstream Communications Inc
6389 3117 3701 131 BellSouth.net Inc.
17974 2467 829 54 PT Telekomunikasi Indonesia
10620 2270 387 207 Types of queries are: POCs, o
28573 2265 1299 70 Types of queries are: POCs, o
4766 2117 11548 618 Korea Telecom (KIX)
18566 2075 381 182 Covad Communications Co.
22773 1952 2932 131 Cox Communications Inc.
1785 1940 677 123 PaeTec Communications, Inc.
7545 1805 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
6389 3117 2986 BellSouth.net Inc.
17974 2467 2413 PT Telekomunikasi Indonesia
28573 2265 2195 Types of queries are: POCs, o
10620 2270 2063 Types of queries are: POCs, o
18566 2075 1893 Covad Communications Co.
22773 1952 1821 Cox Communications Inc.
1785 1940 1817 PaeTec Communications, Inc.
7545 1805 1718 TPG Internet Pty Ltd
8402 1680 1664 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 /15:1556 /16:12443 /17:6592 /18:10861
/19:21583 /20:30885 /21:32897 /22:43788 /23:40414 /24:228135
/25:9 /26:11 /27:11 /28:143 /29:186 /30:93
/31:0 /32:143
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2722 3456 Windstream Communications Inc
18566 2025 2075 Covad Communications Co.
6389 1773 3117 BellSouth.net Inc.
8402 1405 1680 Corbina telecom
22773 1283 1952 Cox Communications Inc.
30036 1262 1359 Mediacom Communications Corp
11492 1157 1194 CABLE ONE, INC.
1785 1024 1940 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)
----------------------------------------------
1:646 2:679 3:3 4:13 5:701 6:3
8:469 12:1927 13:3 14:687 15:11 16:3
17:6 20:27 23:219 24:1788 27:1465 31:1367
32:49 33:2 34:2 36:11 37:1152 38:833
39:2 40:141 41:2604 42:180 44:3 46:1695
47:3 49:529 50:650 52:12 54:28 55:8
57:31 58:990 59:558 60:232 61:1302 62:1037
63:2013 64:4340 65:2190 66:4486 67:2084 68:1197
69:3326 70:939 71:554 72:1890 74:2616 75:474
76:295 77:1041 78:1034 79:528 80:1215 81:984
82:668 83:532 84:529 85:1165 86:466 87:973
88:363 89:1744 90:304 91:5384 92:609 93:1622
94:1985 95:1601 96:489 97:337 98:948 99:37
100:30 101:290 103:1952 105:501 106:125 107:204
108:492 109:1744 110:818 111:983 112:466 113:720
114:655 115:878 116:884 117:760 118:964 119:1232
120:365 121:695 122:1688 123:1171 124:1284 125:1301
128:776 129:189 130:295 131:641 132:313 133:142
134:241 135:62 136:209 137:232 138:343 139:168
140:156 141:298 142:496 143:351 144:487 145:89
146:512 147:322 148:714 149:335 150:151 151:246
152:397 153:188 154:22 155:442 156:228 157:334
158:257 159:597 160:335 161:397 162:369 163:181
164:576 165:453 166:464 167:570 168:998 169:129
170:997 171:164 172:4 173:1631 174:769 175:465
176:940 177:1502 178:1701 180:1361 181:189 182:1139
183:293 184:652 185:152 186:2167 187:1455 188:1908
189:1557 190:6155 192:6038 193:5716 194:4499 195:3614
196:1240 197:291 198:3966 199:5120 200:5966 201:2034
202:8581 203:8648 204:4403 205:2492 206:2715 207:2740
208:4057 209:3638 210:2780 211:1553 212:1991 213:1883
214:861 215:91 216:5103 217:1571 218:584 219:304
220:1255 221:544 222:324 223:392
End of report
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