* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 15 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 436064
Prefixes after maximum aggregation: 180038
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 217232
Total ASes present in the Internet Routing Table: 39736
Prefixes per ASN: 10.97
Origin-only ASes present in the Internet Routing Table: 34171
Origin ASes announcing only one prefix: 15949
Transit ASes present in the Internet Routing Table: 5565
Transit-only ASes present in the Internet Routing Table: 126
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 974
Unregistered ASNs in the Routing Table: 168
Number of 32-bit ASNs allocated by the RIRs: 3754
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 9209
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 194
Number of addresses announced to Internet: 2637252112
Equivalent to 157 /8s, 49 /16s and 70 /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: 152324
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 100748
Total APNIC prefixes after maximum aggregation: 31673
APNIC Deaggregation factor: 3.18
Prefixes being announced from the APNIC address blocks: 102456
Unique aggregates announced from the APNIC address blocks: 43890
APNIC Region origin ASes present in the Internet Routing Table: 4765
APNIC Prefixes per ASN: 21.50
APNIC Region origin ASes announcing only one prefix: 1259
APNIC Region transit ASes present in the Internet Routing Table: 770
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: 717535488
Equivalent to 42 /8s, 196 /16s and 185 /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: 154122
Total ARIN prefixes after maximum aggregation: 78265
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154821
Unique aggregates announced from the ARIN address blocks: 70949
ARIN Region origin ASes present in the Internet Routing Table: 15388
ARIN Prefixes per ASN: 10.06
ARIN Region origin ASes announcing only one prefix: 5840
ARIN Region transit ASes present in the Internet Routing Table: 1536
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1076075264
Equivalent to 64 /8s, 35 /16s and 155 /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: 114230
Total RIPE prefixes after maximum aggregation: 58625
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 117387
Unique aggregates announced from the RIPE address blocks: 74976
RIPE Region origin ASes present in the Internet Routing Table: 17035
RIPE Prefixes per ASN: 6.89
RIPE Region origin ASes announcing only one prefix: 8146
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: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 653411088
Equivalent to 38 /8s, 242 /16s and 67 /24s
Percentage of available RIPE address space announced: 95.0
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: 46323
Total LACNIC prefixes after maximum aggregation: 8997
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 49933
Unique aggregates announced from the LACNIC address blocks: 23542
LACNIC Region origin ASes present in the Internet Routing Table: 1798
LACNIC Prefixes per ASN: 27.77
LACNIC Region origin ASes announcing only one prefix: 525
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: 0
Number of LACNIC addresses announced to Internet: 122932736
Equivalent to 7 /8s, 83 /16s and 206 /24s
Percentage of available LACNIC address space announced: 73.3
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: 10658
Total AfriNIC prefixes after maximum aggregation: 2425
AfriNIC Deaggregation factor: 4.40
Prefixes being announced from the AfriNIC address blocks: 11272
Unique aggregates announced from the AfriNIC address blocks: 3699
AfriNIC Region origin ASes present in the Internet Routing Table: 593
AfriNIC Prefixes per ASN: 19.01
AfriNIC Region origin ASes announcing only one prefix: 179
AfriNIC Region transit ASes present in the Internet Routing Table: 127
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: 0
Number of AfriNIC addresses announced to Internet: 44676608
Equivalent to 2 /8s, 169 /16s and 182 /24s
Percentage of available AfriNIC address space announced: 44.4
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 2468 820 79 PT Telekomunikasi Indonesia
4766 2123 11551 628 Korea Telecom (KIX)
7545 1818 301 89 TPG Internet Pty Ltd
4755 1660 382 189 TATA Communications formerly
9829 1429 1144 44 National Internet Backbone
9583 1196 90 504 Sify Limited
7552 1151 1070 12 Vietel Corporation
9498 1061 310 75 BHARTI Airtel Ltd.
24560 1044 385 160 Bharti Airtel Ltd., Telemedia
18101 1008 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 3065 3696 101 BellSouth.net Inc.
7029 2169 1265 211 Windstream Communications Inc
18566 2076 382 183 Covad Communications Co.
22773 1987 2931 128 Cox Communications Inc.
1785 1955 677 126 PaeTec Communications, Inc.
20115 1691 1610 615 Charter Communications
4323 1598 1155 396 tw telecom holdings, inc.
30036 1342 287 689 Mediacom Communications Corp
7018 1311 10585 866 AT&T Services, Inc.
7011 1201 316 683 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 1752 544 16 Corbina telecom
2118 1114 97 13 EUnet/RELCOM Autonomous Syste
34984 1056 232 206 BILISIM TELEKOM
13188 851 99 22 Ukraine
12479 848 784 68 France Telecom Espana SA
31148 758 39 18 FreeNet ISP
20940 748 254 593 Akamai Technologies European
8551 732 367 39 Bezeq International
6830 713 2313 434 UPC Broadband
34744 670 185 43 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 2379 1327 87 Types of queries are: POCs, o
10620 2319 397 223 Types of queries are: POCs, o
7303 1679 1147 206 Telecom Argentina S.A.
6503 1438 435 69 Axtel, S.A.B. de C.V.
8151 1358 2821 391 Uninet S.A. de C.V.
14754 940 121 78 Telgua
18881 765 716 18 Global Village Telecom
27947 757 86 95 Telconet S.A
3816 686 307 85 Types of queries are: POCs, o
7738 613 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
36998 1286 80 4 MOBITEL
24863 898 275 36 LINKdotNET AS number
8452 542 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 329 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
37054 208 11 6 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 3065 3696 101 BellSouth.net Inc.
17974 2468 820 79 PT Telekomunikasi Indonesia
28573 2379 1327 87 Types of queries are: POCs, o
10620 2319 397 223 Types of queries are: POCs, o
7029 2169 1265 211 Windstream Communications Inc
4766 2123 11551 628 Korea Telecom (KIX)
18566 2076 382 183 Covad Communications Co.
22773 1987 2931 128 Cox Communications Inc.
1785 1955 677 126 PaeTec Communications, Inc.
7545 1818 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 2468 2389 PT Telekomunikasi Indonesia
28573 2379 2292 Types of queries are: POCs, o
10620 2319 2096 Types of queries are: POCs, o
7029 2169 1958 Windstream Communications Inc
18566 2076 1893 Covad Communications Co.
22773 1987 1859 Cox Communications Inc.
1785 1955 1829 PaeTec Communications, Inc.
8402 1752 1736 Corbina telecom
7545 1818 1729 TPG Internet Pty Ltd
4766 2123 1495 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
41.138.95.0/24 36930 ZanZibar Telecom
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.
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
/13:481 /14:863 /15:1551 /16:12519 /17:6602 /18:10928
/19:21696 /20:31172 /21:33160 /22:44962 /23:40671 /24:230453
/25:9 /26:11 /27:11 /28:142 /29:192 /30:101
/31:0 /32:144
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2026 2076 Covad Communications Co.
6389 1758 3065 BellSouth.net Inc.
7029 1552 2169 Windstream Communications Inc
8402 1493 1752 Corbina telecom
22773 1303 1987 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1233 1342 Mediacom Communications Corp
11492 1160 1197 CABLE ONE, INC.
1785 1035 1955 PaeTec Communications, Inc.
6503 961 1438 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)
----------------------------------------------
1:628 2:736 3:3 4:13 5:757 6:3
8:494 12:1932 13:3 14:719 15:11 16:3
17:8 20:24 23:240 24:1795 27:1466 31:1148
32:49 33:2 34:5 36:11 37:1305 38:840
39:2 40:141 41:2823 42:178 44:4 46:1729
47:1 49:579 50:645 52:12 54:28 55:9
57:31 58:1000 59:558 60:246 61:1306 62:1049
63:2022 64:4301 65:2139 66:4265 67:2039 68:1124
69:3261 70:858 71:524 72:1874 74:2535 75:421
76:289 77:1069 78:1014 79:556 80:1216 81:971
82:629 83:537 84:557 85:1156 86:475 87:983
88:381 89:1735 90:287 91:5414 92:624 93:1692
94:2054 95:1590 96:506 97:336 98:1037 99:49
100:29 101:312 103:2109 105:517 106:131 107:206
108:493 109:1757 110:834 111:1007 112:484 113:724
114:678 115:908 116:859 117:782 118:982 119:1229
120:369 121:682 122:1700 123:1181 124:1287 125:1310
128:497 129:189 130:303 131:630 132:321 133:143
134:246 135:62 136:221 137:232 138:341 139:157
140:190 141:303 142:502 143:368 144:475 145:88
146:518 147:329 148:704 149:348 150:151 151:397
152:399 153:190 154:27 155:367 156:239 157:344
158:260 159:629 160:329 161:398 162:369 163:191
164:572 165:443 166:437 167:573 168:1007 169:129
170:1015 171:164 172:4 173:1547 174:586 175:417
176:1124 177:1669 178:1736 180:1380 181:227 182:1143
183:316 184:634 185:236 186:2223 187:1435 188:1910
189:1534 190:6603 192:6264 193:5658 194:4644 195:3672
196:1289 197:938 198:4101 199:5179 200:5943 201:2140
202:8653 203:8652 204:4404 205:2522 206:2705 207:2732
208:4053 209:3450 210:2800 211:1556 212:1957 213:1894
214:899 215:93 216:5081 217:1585 218:579 219:309
220:1259 221:551 222:327 223:417
End of report
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