* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 20 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 448190
Prefixes after maximum aggregation: 183196
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 224479
Total ASes present in the Internet Routing Table: 40304
Prefixes per ASN: 11.12
Origin-only ASes present in the Internet Routing Table: 34629
Origin ASes announcing only one prefix: 16126
Transit ASes present in the Internet Routing Table: 5667
Transit-only ASes present in the Internet Routing Table: 133
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: 802
Unregistered ASNs in the Routing Table: 158
Number of 32-bit ASNs allocated by the RIRs: 4770
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10357
Special use prefixes present in the Routing Table: 29
Prefixes being announced from unallocated address space: 256
Number of addresses announced to Internet: 2637416704
Equivalent to 157 /8s, 51 /16s and 201 /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: 156588
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103624
Total APNIC prefixes after maximum aggregation: 32052
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 105620
Unique aggregates announced from the APNIC address blocks: 44771
APNIC Region origin ASes present in the Internet Routing Table: 4796
APNIC Prefixes per ASN: 22.02
APNIC Region origin ASes announcing only one prefix: 1244
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: 721134336
Equivalent to 42 /8s, 251 /16s and 163 /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: 157957
Total ARIN prefixes after maximum aggregation: 79709
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158568
Unique aggregates announced from the ARIN address blocks: 73294
ARIN Region origin ASes present in the Internet Routing Table: 15629
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: 1575
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: 1062008832
Equivalent to 63 /8s, 76 /16s and 248 /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: 117387
Total RIPE prefixes after maximum aggregation: 59716
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 120973
Unique aggregates announced from the RIPE address blocks: 77934
RIPE Region origin ASes present in the Internet Routing Table: 17165
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8152
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: 656230144
Equivalent to 39 /8s, 29 /16s and 71 /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: 47175
Total LACNIC prefixes after maximum aggregation: 9184
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 51261
Unique aggregates announced from the LACNIC address blocks: 24390
LACNIC Region origin ASes present in the Internet Routing Table: 1926
LACNIC Prefixes per ASN: 26.62
LACNIC Region origin ASes announcing only one prefix: 578
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: 129042688
Equivalent to 7 /8s, 177 /16s and 9 /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: 10961
Total AfriNIC prefixes after maximum aggregation: 2495
AfriNIC Deaggregation factor: 4.39
Prefixes being announced from the AfriNIC address blocks: 11511
Unique aggregates announced from the AfriNIC address blocks: 3858
AfriNIC Region origin ASes present in the Internet Routing Table: 620
AfriNIC Prefixes per ASN: 18.57
AfriNIC Region origin ASes announcing only one prefix: 181
AfriNIC Region transit ASes present in the Internet Routing Table: 129
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: 46433792
Equivalent to 2 /8s, 196 /16s and 134 /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 2513 839 90 PT Telekomunikasi Indonesia
4766 2142 11551 625 Korea Telecom (KIX)
7545 1972 320 105 TPG Internet Pty Ltd
4755 1704 390 190 TATA Communications formerly
9829 1500 1205 40 National Internet Backbone
9583 1217 91 505 Sify Limited
7552 1160 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 3020 3693 81 BellSouth.net Inc.
7029 2089 1265 211 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1988 677 123 PaeTec Communications, Inc.
22773 1975 2929 125 Cox Communications Inc.
20115 1667 1607 615 Charter Communications
4323 1620 1155 401 tw telecom holdings, inc.
30036 1326 295 645 Mediacom Communications Corp
7018 1325 10852 862 AT&T Services, Inc.
11492 1231 220 345 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 1741 544 16 Corbina telecom
2118 1309 97 13 EUnet/RELCOM Autonomous Syste
34984 1197 237 223 BILISIM TELEKOM
20940 824 286 653 Akamai Technologies European
13188 821 98 80 Ukraine
8551 816 370 43 Bezeq International
31148 792 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 2732 1528 113 Types of queries are: POCs, o
10620 2631 412 224 Types of queries are: POCs, o
7303 1723 1153 221 Telecom Argentina S.A.
8151 1234 2703 393 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 809 89 98 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 885 274 32 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 445 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
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 3020 3693 81 BellSouth.net Inc.
28573 2732 1528 113 Types of queries are: POCs, o
10620 2631 412 224 Types of queries are: POCs, o
17974 2513 839 90 PT Telekomunikasi Indonesia
4766 2142 11551 625 Korea Telecom (KIX)
7029 2089 1265 211 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1988 677 123 PaeTec Communications, Inc.
22773 1975 2929 125 Cox Communications Inc.
7545 1972 320 105 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 2732 2619 Types of queries are: POCs, o
17974 2513 2423 PT Telekomunikasi Indonesia
10620 2631 2407 Types of queries are: POCs, o
18566 2064 1882 Covad Communications Co.
7029 2089 1878 Windstream Communications Inc
7545 1972 1867 TPG Internet Pty Ltd
1785 1988 1865 PaeTec Communications, Inc.
22773 1975 1850 Cox Communications Inc.
8402 1741 1725 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 /16:12638 /17:6621 /18:11092
/19:22087 /20:31963 /21:34004 /22:46849 /23:41805 /24:237180
/25:9 /26:11 /27:12 /28:137 /29:203 /30:111
/31:0 /32:135
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2015 2064 Covad Communications Co.
6389 1733 3020 BellSouth.net Inc.
7029 1577 2089 Windstream Communications Inc
8402 1443 1741 Corbina telecom
22773 1284 1975 Cox Communications Inc.
36998 1231 1237 MOBITEL
30036 1196 1326 Mediacom Communications Corp
11492 1192 1231 CABLE ONE, INC.
1785 1062 1988 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)
----------------------------------------------
1:766 2:765 3:3 4:12 5:881 6:7
8:552 12:1928 13:3 14:801 15:11 16:3
17:9 20:17 23:271 24:1765 27:1510 31:1293
32:38 33:2 34:5 36:28 37:1848 38:866
39:2 40:172 41:2843 42:187 44:6 46:1879
47:2 49:636 50:699 52:12 54:35 55:7
57:29 58:1070 59:567 60:308 61:1375 62:1121
63:2023 64:4326 65:2175 66:4347 67:2061 68:1127
69:3264 70:880 71:533 72:1918 74:2557 75:416
76:307 77:1081 78:1043 79:599 80:1254 81:989
82:630 83:569 84:530 85:1162 86:459 87:982
88:535 89:1789 90:163 91:5476 92:589 93:1707
94:1831 95:1497 96:513 97:344 98:1051 99:38
100:29 101:328 103:2586 105:519 106:153 107:209
108:502 109:1855 110:877 111:1052 112:515 113:783
114:703 115:940 116:891 117:779 118:1062 119:1241
120:398 121:712 122:1752 123:1208 124:1314 125:1350
128:600 129:198 130:311 131:645 132:295 133:149
134:252 135:66 136:220 137:257 138:344 139:194
140:180 141:314 142:531 143:364 144:479 145:93
146:501 147:385 148:682 149:372 150:150 151:570
152:417 153:199 154:42 155:393 156:261 157:351
158:280 159:643 160:338 161:402 162:429 163:198
164:591 165:442 166:297 167:587 168:1029 169:132
170:1022 171:178 172:22 173:1664 174:595 175:480
176:1269 177:2037 178:1878 179:7 180:1426 181:389
182:1197 183:376 184:675 185:434 186:2265 187:1299
188:2126 189:1350 190:6306 192:6560 193:5868 194:4634
195:3428 196:1341 197:963 198:4402 199:5274 200:5910
201:2241 202:8712 203:8742 204:4427 205:2546 206:2756
207:2824 208:4051 209:3623 210:2868 211:1551 212:2147
213:1951 214:885 215:97 216:5234 217:1607 218:604
219:314 220:1275 221:555 222:317 223:438
End of report
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