* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 21 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 448100
Prefixes after maximum aggregation: 183397
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 224467
Total ASes present in the Internet Routing Table: 40347
Prefixes per ASN: 11.11
Origin-only ASes present in the Internet Routing Table: 34661
Origin ASes announcing only one prefix: 16141
Transit ASes present in the Internet Routing Table: 5678
Transit-only ASes present in the Internet Routing Table: 136
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN ( 49327) 21
Prefixes from unregistered ASNs in the Routing Table: 801
Unregistered ASNs in the Routing Table: 157
Number of 32-bit ASNs allocated by the RIRs: 4769
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10352
Special use prefixes present in the Routing Table: 29
Prefixes being announced from unallocated address space: 245
Number of addresses announced to Internet: 2637735936
Equivalent to 157 /8s, 56 /16s and 168 /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: 94.5
Total number of prefixes smaller than registry allocations: 156579
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103459
Total APNIC prefixes after maximum aggregation: 32079
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 105455
Unique aggregates announced from the APNIC address blocks: 44703
APNIC Region origin ASes present in the Internet Routing Table: 4801
APNIC Prefixes per ASN: 21.97
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 792
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: 721181440
Equivalent to 42 /8s, 252 /16s and 91 /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: 158115
Total ARIN prefixes after maximum aggregation: 79802
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158726
Unique aggregates announced from the ARIN address blocks: 73311
ARIN Region origin ASes present in the Internet Routing Table: 15640
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5971
ARIN Region transit ASes present in the Internet Routing Table: 1582
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: 1062122240
Equivalent to 63 /8s, 78 /16s and 179 /24s
Percentage of available ARIN address space announced: 56.2
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: 117412
Total RIPE prefixes after maximum aggregation: 59768
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 121004
Unique aggregates announced from the RIPE address blocks: 77984
RIPE Region origin ASes present in the Internet Routing Table: 17179
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8163
RIPE Region transit ASes present in the Internet Routing Table: 2760
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656352000
Equivalent to 39 /8s, 31 /16s and 35 /24s
Percentage of available RIPE address space announced: 95.4
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: 47025
Total LACNIC prefixes after maximum aggregation: 9189
LACNIC Deaggregation factor: 5.12
Prefixes being announced from the LACNIC address blocks: 51107
Unique aggregates announced from the LACNIC address blocks: 24333
LACNIC Region origin ASes present in the Internet Routing Table: 1926
LACNIC Prefixes per ASN: 26.54
LACNIC Region origin ASes announcing only one prefix: 579
LACNIC Region transit ASes present in the Internet Routing Table: 343
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3
Number of LACNIC addresses announced to Internet: 129061120
Equivalent to 7 /8s, 177 /16s and 81 /24s
Percentage of available LACNIC address space announced: 76.9
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: 11006
Total AfriNIC prefixes after maximum aggregation: 2519
AfriNIC Deaggregation factor: 4.37
Prefixes being announced from the AfriNIC address blocks: 11562
Unique aggregates announced from the AfriNIC address blocks: 3907
AfriNIC Region origin ASes present in the Internet Routing Table: 630
AfriNIC Prefixes per ASN: 18.35
AfriNIC Region origin ASes announcing only one prefix: 186
AfriNIC Region transit ASes present in the Internet Routing Table: 133
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1
Number of AfriNIC addresses announced to Internet: 46454784
Equivalent to 2 /8s, 196 /16s and 216 /24s
Percentage of available AfriNIC address space announced: 46.1
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 2511 838 90 PT Telekomunikasi Indonesia
4766 2142 11551 625 Korea Telecom (KIX)
7545 1974 320 107 TPG Internet Pty Ltd
4755 1706 390 190 TATA Communications formerly
9829 1510 1205 40 National Internet Backbone
9583 1217 91 505 Sify Limited
7552 1157 1064 12 Vietel Corporation
9498 1109 309 72 BHARTI Airtel Ltd.
24560 1069 393 166 Bharti Airtel Ltd., Telemedia
4808 1035 2006 301 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 3019 3693 80 BellSouth.net Inc.
7029 2087 1265 210 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1989 677 124 PaeTec Communications, Inc.
22773 1976 2929 125 Cox Communications Inc.
20115 1669 1608 613 Charter Communications
4323 1619 1155 401 tw telecom holdings, inc.
30036 1327 296 646 Mediacom Communications Corp
7018 1325 10852 858 AT&T Services, Inc.
11492 1232 220 343 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 1753 544 16 Corbina telecom
2118 1260 97 13 EUnet/RELCOM Autonomous Syste
34984 1193 237 223 BILISIM TELEKOM
20940 836 293 660 Akamai Technologies European
13188 821 98 80 Ukraine
8551 814 370 43 Bezeq International
31148 786 39 22 FreeNet ISP
6830 771 2376 444 UPC Broadband
12479 687 782 67 France Telecom Espana SA
34744 676 173 56 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 2726 1532 113 Types of queries are: POCs, o
10620 2624 412 226 Types of queries are: POCs, o
7303 1724 1153 222 Telecom Argentina S.A.
8151 1233 2703 395 Uninet S.A. de C.V.
6503 973 435 70 Axtel, S.A.B. de C.V.
18881 941 780 19 Global Village Telecom
27947 808 89 97 Telconet S.A
3816 708 307 86 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 885 274 32 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 451 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 260 906 219 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
36992 189 527 22 Etisalat MISR
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 3019 3693 80 BellSouth.net Inc.
28573 2726 1532 113 Types of queries are: POCs, o
10620 2624 412 226 Types of queries are: POCs, o
17974 2511 838 90 PT Telekomunikasi Indonesia
4766 2142 11551 625 Korea Telecom (KIX)
7029 2087 1265 210 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1989 677 124 PaeTec Communications, Inc.
22773 1976 2929 125 Cox Communications Inc.
7545 1974 320 107 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
28573 2726 2613 Types of queries are: POCs, o
17974 2511 2421 PT Telekomunikasi Indonesia
10620 2624 2398 Types of queries are: POCs, o
18566 2064 1882 Covad Communications Co.
7029 2087 1877 Windstream Communications Inc
7545 1974 1867 TPG Internet Pty Ltd
1785 1989 1865 PaeTec Communications, Inc.
22773 1976 1851 Cox Communications Inc.
8402 1753 1737 Corbina telecom
4766 2142 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
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.
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.52.0/24 60906 NETOPIA SRL
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.61.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.62.0/24 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 /9:13 /10:31 /11:88 /12:249
/13:483 /14:887 /15:1565 /16:12640 /17:6629 /18:11079
/19:22088 /20:31982 /21:34020 /22:46820 /23:41847 /24:237043
/25:9 /26:11 /27:12 /28:135 /29:206 /30:110
/31:0 /32:136
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2015 2064 Covad Communications Co.
6389 1733 3019 BellSouth.net Inc.
7029 1576 2087 Windstream Communications Inc
8402 1453 1753 Corbina telecom
22773 1284 1976 Cox Communications Inc.
36998 1231 1237 MOBITEL
30036 1197 1327 Mediacom Communications Corp
11492 1193 1232 CABLE ONE, INC.
1785 1062 1989 PaeTec Communications, Inc.
6983 1008 1132 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:767 2:768 3:3 4:12 5:883 6:8
8:548 12:1928 13:3 14:798 15:11 16:3
17:9 20:17 23:271 24:1765 27:1464 31:1288
32:38 33:2 34:5 36:28 37:1858 38:868
39:2 40:172 41:2855 42:187 44:6 46:1891
47:2 49:592 50:701 52:12 54:35 55:6
57:29 58:1070 59:565 60:308 61:1378 62:1115
63:2023 64:4324 65:2175 66:4350 67:2064 68:1129
69:3267 70:880 71:533 72:1920 74:2563 75:417
76:308 77:1082 78:1040 79:591 80:1256 81:990
82:630 83:570 84:531 85:1162 86:460 87:985
88:536 89:1789 90:163 91:5472 92:587 93:1704
94:1830 95:1505 96:521 97:344 98:1051 99:38
100:29 101:327 103:2590 105:519 106:90 107:209
108:502 109:1839 110:877 111:1029 112:511 113:785
114:703 115:941 116:891 117:781 118:1072 119:1244
120:399 121:712 122:1753 123:1213 124:1316 125:1351
128:602 129:198 130:310 131:645 132:331 133:149
134:252 135:66 136:220 137:257 138:344 139:194
140:180 141:314 142:531 143:368 144:480 145:93
146:501 147:388 148:681 149:371 150:150 151:570
152:417 153:199 154:42 155:393 156:261 157:351
158:280 159:643 160:338 161:402 162:430 163:199
164:591 165:443 166:298 167:588 168:1025 169:129
170:1022 171:182 172:21 173:1664 174:591 175:483
176:1281 177:2028 178:1865 179:7 180:1425 181:391
182:1203 183:376 184:673 185:446 186:2262 187:1288
188:2131 189:1357 190:6248 192:6563 193:5873 194:4587
195:3421 196:1346 197:964 198:4389 199:5284 200:5906
201:2228 202:8709 203:8755 204:4433 205:2552 206:2757
207:2824 208:4054 209:3619 210:2871 211:1506 212:2214
213:1951 214:903 215:98 216:5235 217:1604 218:603
219:314 220:1255 221:555 222:317 223:441
End of report
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