Routing Table Report 08:00 +10GMT Sat 30 Jun, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 407637
Prefixes after maximum aggregation: 173260
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 202269
Total ASes present in the Internet Routing Table: 38704
Prefixes per ASN: 10.53
Origin-only ASes present in the Internet Routing Table: 33351
Origin ASes announcing only one prefix: 15698
Transit ASes present in the Internet Routing Table: 5353
Transit-only ASes present in the Internet Routing Table: 119
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN ( 51742) 24
Prefixes from unregistered ASNs in the Routing Table: 1129
Unregistered ASNs in the Routing Table: 209
Number of 32-bit ASNs allocated by the RIRs: 2907
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6504
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 196
Number of addresses announced to Internet: 2590504448
Equivalent to 154 /8s, 103 /16s and 246 /24s
Percentage of available address space announced: 69.9
Percentage of allocated address space announced: 70.0
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.0
Total number of prefixes smaller than registry allocations: 140393
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95086
Total APNIC prefixes after maximum aggregation: 31181
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 96112
Unique aggregates announced from the APNIC address blocks: 42006
APNIC Region origin ASes present in the Internet Routing Table: 4671
APNIC Prefixes per ASN: 20.58
APNIC Region origin ASes announcing only one prefix: 1276
APNIC Region transit ASes present in the Internet Routing Table: 729
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 700974336
Equivalent to 41 /8s, 200 /16s and 5 /24s
Percentage of available APNIC address space announced: 81.9
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: 150933
Total ARIN prefixes after maximum aggregation: 76833
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 151811
Unique aggregates announced from the ARIN address blocks: 68254
ARIN Region origin ASes present in the Internet Routing Table: 15116
ARIN Prefixes per ASN: 10.04
ARIN Region origin ASes announcing only one prefix: 5751
ARIN Region transit ASes present in the Internet Routing Table: 1519
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: 1080315648
Equivalent to 64 /8s, 100 /16s and 79 /24s
Percentage of available ARIN address space announced: 57.1
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: 103945
Total RIPE prefixes after maximum aggregation: 54860
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 106183
Unique aggregates announced from the RIPE address blocks: 66921
RIPE Region origin ASes present in the Internet Routing Table: 16620
RIPE Prefixes per ASN: 6.39
RIPE Region origin ASes announcing only one prefix: 8062
RIPE Region transit ASes present in the Internet Routing Table: 2619
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 633552640
Equivalent to 37 /8s, 195 /16s and 63 /24s
Percentage of available RIPE address space announced: 92.1
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: 41105
Total LACNIC prefixes after maximum aggregation: 8178
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 43636
Unique aggregates announced from the LACNIC address blocks: 21634
LACNIC Region origin ASes present in the Internet Routing Table: 1597
LACNIC Prefixes per ASN: 27.32
LACNIC Region origin ASes announcing only one prefix: 437
LACNIC Region transit ASes present in the Internet Routing Table: 301
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 111532288
Equivalent to 6 /8s, 165 /16s and 217 /24s
Percentage of available LACNIC address space announced: 66.5
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: 9243
Total AfriNIC prefixes after maximum aggregation: 2154
AfriNIC Deaggregation factor: 4.29
Prefixes being announced from the AfriNIC address blocks: 9698
Unique aggregates announced from the AfriNIC address blocks: 3304
AfriNIC Region origin ASes present in the Internet Routing Table: 548
AfriNIC Prefixes per ASN: 17.70
AfriNIC Region origin ASes announcing only one prefix: 172
AfriNIC Region transit ASes present in the Internet Routing Table: 124
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: 40492032
Equivalent to 2 /8s, 105 /16s and 220 /24s
Percentage of available AfriNIC address space announced: 40.2
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
4766 1996 11107 762 Korea Telecom (KIX)
17974 1895 541 77 PT Telekomunikasi Indonesia
7545 1686 301 88 TPG Internet Pty Ltd
4755 1573 384 152 TATA Communications formerly
9829 1298 1085 28 National Internet Backbone
9583 1169 87 509 Sify Limited
7552 1051 1062 11 Vietel Corporation
24560 1034 385 165 Bharti Airtel Ltd., Telemedia
9498 968 291 64 BHARTI Airtel Ltd.
4808 956 1942 283 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 3398 3791 190 BellSouth.net Inc.
7029 3244 1013 172 Windstream Communications Inc
18566 2091 382 180 Covad Communications Co.
1785 1930 681 132 PaeTec Communications, Inc.
22773 1654 2911 121 Cox Communications Inc.
20115 1651 1573 616 Charter Communications
4323 1570 1059 383 tw telecom holdings, inc.
30036 1445 271 749 Mediacom Communications Corp
7018 1256 10060 824 AT&T Services, Inc.
11492 1190 216 354 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 1604 544 16 Corbina telecom
2118 1288 97 14 EUnet/RELCOM Autonomous Syste
12479 779 731 92 France Telecom Espana SA
34984 716 189 175 BILISIM TELEKOM
6830 688 2234 436 UPC Broadband
31148 683 37 9 FreeNet ISP
20940 647 208 511 Akamai Technologies European
9116 512 326 31 Goldenlines main autonomous s
8551 506 364 61 Bezeq International
13188 503 100 10 Ukraine
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
10620 1979 344 205 Types of queries are: POCs, o
28573 1966 1213 54 Types of queries are: POCs, o
6503 1520 418 67 Axtel, S.A.B. de C.V.
7303 1455 933 193 Telecom Argentina S.A.
8151 1348 3047 335 Uninet S.A. de C.V.
27947 684 74 88 Telconet S.A
11172 645 107 75 Alestra, S. de R.L. de C.V.
3816 592 248 86 Types of queries are: POCs, o
22047 583 326 15 Types of queries are: POCs, o
14117 573 67 65 Telefonica del Sur 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
8452 1266 958 13 TEDATA
24863 856 274 32 LINKdotNET AS number
6713 500 649 18 Itissalat Al-MAGHRIB
24835 321 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
33776 210 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
29975 167 571 19 Vodacom
15706 164 32 6 Sudatel Internet Exchange Aut
16637 157 664 88 MTN Network Solutions
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 3398 3791 190 BellSouth.net Inc.
7029 3244 1013 172 Windstream Communications Inc
18566 2091 382 180 Covad Communications Co.
4766 1996 11107 762 Korea Telecom (KIX)
10620 1979 344 205 Types of queries are: POCs, o
28573 1966 1213 54 Types of queries are: POCs, o
1785 1930 681 132 PaeTec Communications, Inc.
17974 1895 541 77 PT Telekomunikasi Indonesia
7545 1686 301 88 TPG Internet Pty Ltd
22773 1654 2911 121 Cox 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
7029 3244 3072 Windstream Communications Inc
28573 1966 1912 Types of queries are: POCs, o
18566 2091 1911 Covad Communications Co.
17974 1895 1818 PT Telekomunikasi Indonesia
1785 1930 1798 PaeTec Communications, Inc.
10620 1979 1774 Types of queries are: POCs, o
7545 1686 1598 TPG Internet Pty Ltd
8402 1604 1588 Corbina telecom
22773 1654 1533 Cox Communications Inc.
6503 1520 1453 Axtel, S.A.B. de C.V.
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.
26095 UNALLOCATED 12.34.8.0/24 7018 AT&T Services, Inc.
21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T Services, Inc.
19577 UNALLOCATED 12.41.188.0/24 7832 WW/Precision Communi
13317 UNALLOCATED 12.44.10.0/24 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
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
169.254.0.0/16 65333 Internet Assigned Numbers Aut
172.16.0.0/12 65333 Internet Assigned Numbers Aut
192.0.2.0/24 65333 Internet Assigned Numbers Aut
192.168.0.0/16 0 *
198.18.0.0/15 65333 Internet Assigned Numbers Aut
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.102.168.0/21 50300 Custodian Ltd.
5.102.184.0/21 20547 UKSolutions Automonous System
5.104.0.0/24 47883 KIBRIS MOBILE TELEKOMUNIKASYO
5.104.0.0/20 47883 KIBRIS MOBILE TELEKOMUNIKASYO
5.104.1.0/24 47883 KIBRIS MOBILE TELEKOMUNIKASYO
5.104.2.0/24 47883 KIBRIS MOBILE TELEKOMUNIKASYO
5.104.3.0/24 47883 KIBRIS MOBILE TELEKOMUNIKASYO
5.104.4.0/24 47883 KIBRIS MOBILE TELEKOMUNIKASYO
5.104.5.0/24 47883 KIBRIS MOBILE TELEKOMUNIKASYO
5.104.6.0/24 47883 KIBRIS MOBILE TELEKOMUNIKASYO
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 /8:20 /9:13 /10:29 /11:83 /12:237
/13:464 /14:832 /15:1508 /16:12237 /17:6340 /18:10641
/19:20696 /20:29491 /21:30992 /22:40401 /23:38541 /24:214548
/25:11 /26:20 /27:19 /28:149 /29:145 /30:82
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2617 3244 Windstream Communications Inc
18566 2041 2091 Covad Communications Co.
6389 1871 3398 BellSouth.net Inc.
30036 1382 1445 Mediacom Communications Corp
8402 1305 1604 Corbina telecom
11492 1153 1190 CABLE ONE, INC.
22773 1086 1654 Cox Communications Inc.
6503 1056 1520 Axtel, S.A.B. de C.V.
1785 1041 1930 PaeTec Communications, Inc.
8452 1029 1266 TEDATA
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:521 2:699 3:1 4:13 5:96 6:3
8:431 12:1973 13:1 14:621 15:12 16:3
17:5 20:24 23:189 24:1783 27:1310 31:990
32:51 33:2 34:2 36:9 37:594 38:812
39:1 40:126 41:3121 42:142 44:3 46:1467
47:2 49:419 50:561 52:13 54:12 55:8
56:1 57:29 58:929 59:496 60:249 61:1104
62:1003 63:2030 64:4241 65:2252 66:4460 67:2018
68:1151 69:3193 70:981 71:503 72:1827 74:2605
75:475 76:331 77:946 78:917 79:490 80:1218
81:948 82:676 83:528 84:503 85:1178 86:429
87:933 88:342 89:1738 90:300 91:4984 92:576
93:1368 94:1595 95:1220 96:367 97:318 98:906
99:36 100:18 101:247 103:1188 106:103 107:189
108:333 109:1410 110:773 111:934 112:411 113:607
114:643 115:817 116:900 117:713 118:923 119:1153
120:342 121:674 122:1623 123:1095 124:1328 125:1259
128:516 129:192 130:242 131:629 132:280 133:22
134:235 135:61 136:215 137:237 138:335 139:173
140:467 141:254 142:417 143:368 144:529 145:76
146:501 147:287 148:747 149:317 150:149 151:174
152:471 153:175 154:16 155:450 156:216 157:336
158:190 159:543 160:342 161:245 162:351 163:181
164:646 165:405 166:583 167:474 168:906 169:125
170:891 171:145 172:5 173:1764 174:627 175:422
176:547 177:872 178:1535 180:1254 181:98 182:988
183:243 184:534 185:1 186:1875 187:1088 188:1351
189:1598 190:5746 192:5968 193:5550 194:4546 195:3423
196:1194 197:164 198:3622 199:4777 200:5821 201:1969
202:8410 203:8522 204:4258 205:2512 206:2718 207:2720
208:4028 209:3597 210:2695 211:1531 212:2034 213:1924
214:846 215:81 216:5081 217:1571 218:528 219:301
220:1223 221:548 222:285 223:342
End of report