* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 27 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 448067
Prefixes after maximum aggregation: 183463
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 224524
Total ASes present in the Internet Routing Table: 40356
Prefixes per ASN: 11.10
Origin-only ASes present in the Internet Routing Table: 34664
Origin ASes announcing only one prefix: 16135
Transit ASes present in the Internet Routing Table: 5684
Transit-only ASes present in the Internet Routing Table: 134
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 52
Max AS path prepend of ASN ( 56484) 51
Prefixes from unregistered ASNs in the Routing Table: 806
Unregistered ASNs in the Routing Table: 159
Number of 32-bit ASNs allocated by the RIRs: 4776
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10427
Special use prefixes present in the Routing Table: 32
Prefixes being announced from unallocated address space: 239
Number of addresses announced to Internet: 2640433920
Equivalent to 157 /8s, 97 /16s and 211 /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: 94.5
Total number of prefixes smaller than registry allocations: 156580
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103370
Total APNIC prefixes after maximum aggregation: 32089
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 105385
Unique aggregates announced from the APNIC address blocks: 44780
APNIC Region origin ASes present in the Internet Routing Table: 4801
APNIC Prefixes per ASN: 21.95
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 793
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 721384704
Equivalent to 42 /8s, 255 /16s and 117 /24s
Percentage of available APNIC address space announced: 84.3
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: 158002
Total ARIN prefixes after maximum aggregation: 79840
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158620
Unique aggregates announced from the ARIN address blocks: 73215
ARIN Region origin ASes present in the Internet Routing Table: 15648
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5973
ARIN Region transit ASes present in the Internet Routing Table: 1583
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: 2
Number of ARIN addresses announced to Internet: 1063524864
Equivalent to 63 /8s, 100 /16s and 26 /24s
Percentage of available ARIN address space announced: 56.3
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: 117380
Total RIPE prefixes after maximum aggregation: 59820
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120994
Unique aggregates announced from the RIPE address blocks: 78055
RIPE Region origin ASes present in the Internet Routing Table: 17184
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8158
RIPE Region transit ASes present in the Internet Routing Table: 2770
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 52
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656589056
Equivalent to 39 /8s, 34 /16s and 193 /24s
Percentage of available RIPE address space announced: 95.5
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: 47202
Total LACNIC prefixes after maximum aggregation: 9166
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 51335
Unique aggregates announced from the LACNIC address blocks: 24357
LACNIC Region origin ASes present in the Internet Routing Table: 1924
LACNIC Prefixes per ASN: 26.68
LACNIC Region origin ASes announcing only one prefix: 575
LACNIC Region transit ASes present in the Internet Routing Table: 341
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3
Number of LACNIC addresses announced to Internet: 129924352
Equivalent to 7 /8s, 190 /16s and 125 /24s
Percentage of available LACNIC address space announced: 77.4
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 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: 10947
Total AfriNIC prefixes after maximum aggregation: 2508
AfriNIC Deaggregation factor: 4.36
Prefixes being announced from the AfriNIC address blocks: 11493
Unique aggregates announced from the AfriNIC address blocks: 3893
AfriNIC Region origin ASes present in the Internet Routing Table: 630
AfriNIC Prefixes per ASN: 18.24
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 130
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1
Number of AfriNIC addresses announced to Internet: 47496960
Equivalent to 2 /8s, 212 /16s and 191 /24s
Percentage of available AfriNIC address space announced: 47.2
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 2515 839 86 PT Telekomunikasi Indonesia
4766 2144 11551 627 Korea Telecom (KIX)
7545 1978 320 108 TPG Internet Pty Ltd
4755 1707 390 190 TATA Communications formerly
9829 1512 1205 40 National Internet Backbone
9583 1209 91 505 Sify Limited
9498 1113 309 72 BHARTI Airtel Ltd.
7552 1112 1064 12 Vietel Corporation
24560 1073 393 166 Bharti Airtel Ltd., Telemedia
4808 1047 2006 302 CNCGROUP IP network China169
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 3018 3693 79 BellSouth.net Inc.
18566 2063 381 182 Covad Communications Co.
1785 1991 677 124 PaeTec Communications, Inc.
22773 1979 2929 125 Cox Communications Inc.
7029 1937 1265 211 Windstream Communications Inc
20115 1670 1609 611 Charter Communications
4323 1609 1154 399 tw telecom holdings, inc.
30036 1327 296 644 Mediacom Communications Corp
7018 1318 11107 852 AT&T Services, Inc.
11492 1234 221 342 CABLE ONE, INC.
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 1745 544 16 Corbina telecom
2118 1260 97 13 EUnet/RELCOM Autonomous Syste
34984 1199 237 224 BILISIM TELEKOM
20940 847 296 668 Akamai Technologies European
13188 822 98 73 Ukraine
8551 815 370 43 Bezeq International
31148 795 40 24 FreeNet ISP
6830 772 2377 445 UPC Broadband
34744 688 173 56 SC GVM SISTEM 2003 SRL
58113 666 74 386 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 2748 1537 114 Types of queries are: POCs, o
10620 2630 413 231 Types of queries are: POCs, o
7303 1727 1154 223 Telecom Argentina S.A.
8151 1243 2706 394 Uninet S.A. de C.V.
18881 951 780 19 Global Village Telecom
6503 931 435 70 Axtel, S.A.B. de C.V.
27947 811 89 103 Telconet S.A
3816 709 307 87 Types of queries are: POCs, o
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 611 103 66 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 1237 80 4 MOBITEL
24863 831 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 441 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
37054 203 11 5 Data Telecom Service
12258 193 28 67 Vodacom Internet Company
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 3018 3693 79 BellSouth.net Inc.
28573 2748 1537 114 Types of queries are: POCs, o
10620 2630 413 231 Types of queries are: POCs, o
17974 2515 839 86 PT Telekomunikasi Indonesia
4766 2144 11551 627 Korea Telecom (KIX)
18566 2063 381 182 Covad Communications Co.
1785 1991 677 124 PaeTec Communications, Inc.
22773 1979 2929 125 Cox Communications Inc.
7545 1978 320 108 TPG Internet Pty Ltd
7029 1937 1265 211 Windstream Communications Inc
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2748 2634 Types of queries are: POCs, o
17974 2515 2429 PT Telekomunikasi Indonesia
10620 2630 2399 Types of queries are: POCs, o
18566 2063 1881 Covad Communications Co.
7545 1978 1870 TPG Internet Pty Ltd
1785 1991 1867 PaeTec Communications, Inc.
22773 1979 1854 Cox Communications Inc.
8402 1745 1729 Corbina telecom
7029 1937 1726 Windstream Communications Inc
4766 2144 1517 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
65101 PRIVATE 5.16.192.0/19 41733 JSC "Z-Telecom"
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.
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.
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.52.0/24 60906 NETOPIA SRL
128.0.53.0/24 60993 Totalsoft SA
128.0.54.0/24 60972 Carpatair SA
128.0.57.0/24 60993 Totalsoft SA
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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.
64.185.229.0/24 27431 JTL Networks Inc.
64.185.230.0/24 27431 JTL Networks Inc.
64.185.231.0/24 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 /8:17 /9:11 /10:31 /11:88 /12:250
/13:481 /14:894 /15:1587 /16:12631 /17:6641 /18:11095
/19:22133 /20:31915 /21:34049 /22:46880 /23:41862 /24:236885
/25:9 /26:11 /27:12 /28:135 /29:207 /30:109
/31:0 /32:134
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2014 2063 Covad Communications Co.
6389 1733 3018 BellSouth.net Inc.
7029 1468 1937 Windstream Communications Inc
8402 1441 1745 Corbina telecom
22773 1287 1979 Cox Communications Inc.
36998 1231 1237 MOBITEL
30036 1197 1327 Mediacom Communications Corp
11492 1194 1234 CABLE ONE, INC.
1785 1063 1991 PaeTec Communications, Inc.
6983 1008 1133 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:764 2:781 3:3 4:12 5:885 6:9
8:548 12:1927 13:3 14:800 15:11 16:3
17:9 20:17 23:272 24:1761 27:1463 31:1311
32:38 33:2 34:5 36:28 37:1864 38:872
39:2 40:172 41:2848 42:187 44:6 46:1902
47:2 49:588 50:700 52:12 54:33 55:7
57:29 58:1072 59:564 60:308 61:1386 62:1122
63:2033 64:4345 65:2174 66:4369 67:2061 68:1130
69:3265 70:878 71:519 72:1920 74:2563 75:408
76:305 77:1076 78:1043 79:591 80:1265 81:1002
82:631 83:570 84:533 85:1165 86:461 87:985
88:539 89:1770 90:145 91:5490 92:593 93:1700
94:1839 95:1515 96:515 97:344 98:1037 99:38
100:29 101:327 103:2612 105:519 106:92 107:209
108:500 109:1831 110:882 111:1033 112:508 113:784
114:703 115:941 116:901 117:782 118:1072 119:1248
120:395 121:709 122:1754 123:1221 124:1316 125:1349
128:608 129:198 130:311 131:641 132:326 133:149
134:258 135:66 136:220 137:257 138:342 139:193
140:181 141:313 142:523 143:369 144:480 145:93
146:502 147:382 148:665 149:373 150:150 151:568
152:414 153:199 154:42 155:394 156:261 157:350
158:277 159:645 160:338 161:406 162:423 163:199
164:591 165:488 166:281 167:591 168:1029 169:128
170:1026 171:180 172:21 173:1655 174:593 175:473
176:1097 177:1994 178:1853 179:8 180:1437 181:402
182:1166 183:379 184:674 185:462 186:2285 187:1301
188:2122 189:1318 190:6344 192:6586 193:5859 194:4590
195:3425 196:1344 197:963 198:4389 199:5276 200:5891
201:2258 202:8703 203:8732 204:4433 205:2537 206:2749
207:2834 208:4047 209:3623 210:2847 211:1506 212:2234
213:1925 214:840 215:98 216:5233 217:1593 218:604
219:314 220:1256 221:558 222:316 223:446
End of report
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