* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 30 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 434045
Prefixes after maximum aggregation: 179564
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 216426
Total ASes present in the Internet Routing Table: 39666
Prefixes per ASN: 10.94
Origin-only ASes present in the Internet Routing Table: 34114
Origin ASes announcing only one prefix: 15926
Transit ASes present in the Internet Routing Table: 5552
Transit-only ASes present in the Internet Routing Table: 121
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: 974
Unregistered ASNs in the Routing Table: 168
Number of 32-bit ASNs allocated by the RIRs: 3711
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 9091
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 200
Number of addresses announced to Internet: 2651167248
Equivalent to 158 /8s, 5 /16s and 154 /24s
Percentage of available address space announced: 71.6
Percentage of allocated address space announced: 71.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.2
Total number of prefixes smaller than registry allocations: 151349
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 100515
Total APNIC prefixes after maximum aggregation: 31635
APNIC Deaggregation factor: 3.18
Prefixes being announced from the APNIC address blocks: 102174
Unique aggregates announced from the APNIC address blocks: 43747
APNIC Region origin ASes present in the Internet Routing Table: 4771
APNIC Prefixes per ASN: 21.42
APNIC Region origin ASes announcing only one prefix: 1265
APNIC Region transit ASes present in the Internet Routing Table: 773
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: 716377344
Equivalent to 42 /8s, 179 /16s and 13 /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: 153823
Total ARIN prefixes after maximum aggregation: 78104
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154485
Unique aggregates announced from the ARIN address blocks: 70713
ARIN Region origin ASes present in the Internet Routing Table: 15358
ARIN Prefixes per ASN: 10.06
ARIN Region origin ASes announcing only one prefix: 5818
ARIN Region transit ASes present in the Internet Routing Table: 1530
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: 1092351488
Equivalent to 65 /8s, 27 /16s and 246 /24s
Percentage of available ARIN address space announced: 57.8
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: 113338
Total RIPE prefixes after maximum aggregation: 58372
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 116436
Unique aggregates announced from the RIPE address blocks: 74552
RIPE Region origin ASes present in the Internet Routing Table: 17015
RIPE Prefixes per ASN: 6.84
RIPE Region origin ASes announcing only one prefix: 8149
RIPE Region transit ASes present in the Internet Routing Table: 2719
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: 653112848
Equivalent to 38 /8s, 237 /16s and 182 /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: 45843
Total LACNIC prefixes after maximum aggregation: 8976
LACNIC Deaggregation factor: 5.11
Prefixes being announced from the LACNIC address blocks: 49489
Unique aggregates announced from the LACNIC address blocks: 23519
LACNIC Region origin ASes present in the Internet Routing Table: 1781
LACNIC Prefixes per ASN: 27.79
LACNIC Region origin ASes announcing only one prefix: 516
LACNIC Region transit ASes present in the Internet Routing Table: 320
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: 122445824
Equivalent to 7 /8s, 76 /16s and 96 /24s
Percentage of available LACNIC address space announced: 73.0
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: 10673
Total AfriNIC prefixes after maximum aggregation: 2425
AfriNIC Deaggregation factor: 4.40
Prefixes being announced from the AfriNIC address blocks: 11260
Unique aggregates announced from the AfriNIC address blocks: 3715
AfriNIC Region origin ASes present in the Internet Routing Table: 590
AfriNIC Prefixes per ASN: 19.08
AfriNIC Region origin ASes announcing only one prefix: 178
AfriNIC Region transit ASes present in the Internet Routing Table: 126
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: 44263936
Equivalent to 2 /8s, 163 /16s and 106 /24s
Percentage of available AfriNIC address space announced: 44.0
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 2455 828 53 PT Telekomunikasi Indonesia
4766 2117 11549 624 Korea Telecom (KIX)
7545 1820 301 87 TPG Internet Pty Ltd
4755 1648 380 174 TATA Communications formerly
9829 1423 1151 46 National Internet Backbone
9583 1196 89 507 Sify Limited
7552 1132 1070 12 Vietel Corporation
9498 1052 310 75 BHARTI Airtel Ltd.
24560 1040 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 3096 3699 117 BellSouth.net Inc.
7029 2282 1265 210 Windstream Communications Inc
18566 2078 382 178 Covad Communications Co.
22773 1965 2931 128 Cox Communications Inc.
1785 1947 677 123 PaeTec Communications, Inc.
20115 1690 1608 625 Charter Communications
4323 1595 1171 393 tw telecom holdings, inc.
30036 1355 288 692 Mediacom Communications Corp
7018 1309 10583 868 AT&T Services, Inc.
7011 1201 315 683 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
2118 1432 97 13 EUnet/RELCOM Autonomous Syste
8402 1365 544 16 Corbina telecom
34984 974 231 208 BILISIM TELEKOM
13188 841 99 22 Ukraine
12479 833 778 65 France Telecom Espana SA
31148 752 39 17 FreeNet ISP
8551 737 367 39 Bezeq International
20940 736 249 585 Akamai Technologies European
6830 714 2313 435 UPC Broadband
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 2324 1315 81 Types of queries are: POCs, o
10620 2302 394 225 Types of queries are: POCs, o
7303 1679 1147 206 Telecom Argentina S.A.
6503 1461 435 69 Axtel, S.A.B. de C.V.
8151 1390 2891 371 Uninet S.A. de C.V.
14754 799 113 125 Telgua
18881 756 716 18 Global Village Telecom
27947 748 86 89 Telconet S.A
3816 674 307 85 Types of queries are: POCs, o
11172 603 102 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 892 275 36 LINKdotNET AS number
8452 562 958 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 3096 3699 117 BellSouth.net Inc.
17974 2455 828 53 PT Telekomunikasi Indonesia
28573 2324 1315 81 Types of queries are: POCs, o
10620 2302 394 225 Types of queries are: POCs, o
7029 2282 1265 210 Windstream Communications Inc
4766 2117 11549 624 Korea Telecom (KIX)
18566 2078 382 178 Covad Communications Co.
22773 1965 2931 128 Cox Communications Inc.
1785 1947 677 123 PaeTec Communications, Inc.
7545 1820 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
17974 2455 2402 PT Telekomunikasi Indonesia
28573 2324 2243 Types of queries are: POCs, o
10620 2302 2077 Types of queries are: POCs, o
7029 2282 2072 Windstream Communications Inc
18566 2078 1900 Covad Communications Co.
22773 1965 1837 Cox Communications Inc.
1785 1947 1824 PaeTec Communications, Inc.
7545 1820 1733 TPG Internet Pty Ltd
4766 2117 1493 Korea Telecom (KIX)
4755 1648 1474 TATA Communications formerly
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 /8:19 /9:13 /10:30 /11:88 /12:247
/13:478 /14:868 /15:1558 /16:12491 /17:6612 /18:10855
/19:21665 /20:31069 /21:33083 /22:44630 /23:40339 /24:229397
/25:9 /26:11 /27:11 /28:145 /29:184 /30:98
/31:0 /32:145
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2028 2078 Covad Communications Co.
6389 1770 3096 BellSouth.net Inc.
7029 1640 2282 Windstream Communications Inc
22773 1292 1965 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1249 1355 Mediacom Communications Corp
11492 1157 1194 CABLE ONE, INC.
8402 1101 1365 Corbina telecom
1785 1030 1947 PaeTec Communications, Inc.
6503 979 1461 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)
----------------------------------------------
1:646 2:574 3:3 4:13 5:732 6:3
8:487 12:1933 13:3 14:699 15:11 16:3
17:8 20:26 23:231 24:1800 27:1483 31:1154
32:49 33:2 34:5 36:9 37:1221 38:838
39:2 40:139 41:2852 42:178 44:4 46:1707
47:1 49:540 50:637 52:12 54:28 55:4
57:31 58:995 59:556 60:246 61:1301 62:1058
63:2039 64:4339 65:2154 66:4263 67:2015 68:1119
69:3248 70:858 71:536 72:1875 74:2546 75:421
76:294 77:1055 78:1034 79:552 80:1225 81:983
82:653 83:535 84:574 85:1162 86:473 87:973
88:370 89:1740 90:285 91:5391 92:605 93:1496
94:2015 95:1669 96:489 97:331 98:1052 99:49
100:29 101:304 103:2049 105:531 106:129 107:208
108:488 109:1755 110:833 111:995 112:472 113:730
114:707 115:915 116:869 117:771 118:969 119:1245
120:320 121:688 122:1691 123:1178 124:1290 125:1305
128:508 129:188 130:298 131:615 132:322 133:142
134:242 135:62 136:218 137:233 138:340 139:154
140:190 141:300 142:495 143:382 144:472 145:90
146:520 147:334 148:711 149:340 150:154 151:323
152:398 153:190 154:23 155:366 156:238 157:347
158:258 159:626 160:334 161:393 162:367 163:190
164:576 165:456 166:463 167:575 168:999 169:129
170:1009 171:162 172:4 173:1552 174:618 175:427
176:837 177:1638 178:1686 180:1370 181:219 182:1158
183:322 184:634 185:192 186:2250 187:1449 188:1889
189:1541 190:6481 192:6147 193:5837 194:4676 195:3663
196:1294 197:872 198:4049 199:5109 200:5953 201:2172
202:8613 203:8682 204:4393 205:2492 206:2708 207:2715
208:4064 209:3508 210:2790 211:1567 212:2011 213:1888
214:906 215:92 216:5059 217:1581 218:580 219:307
220:1265 221:548 222:335 223:409
End of report
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