Routing Table Report 04:00 +10GMT Sun 01 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 465308
Prefixes after maximum aggregation: 187623
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 231079
Total ASes present in the Internet Routing Table: 44856
Prefixes per ASN: 10.37
Origin-only ASes present in the Internet Routing Table: 35049
Origin ASes announcing only one prefix: 16243
Transit ASes present in the Internet Routing Table: 5922
Transit-only ASes present in the Internet Routing Table: 179
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 5407
Unregistered ASNs in the Routing Table: 1770
Number of 32-bit ASNs allocated by the RIRs: 4992
Number of 32-bit ASNs visible in the Routing Table: 3885
Prefixes from 32-bit ASNs in the Routing Table: 11857
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 357
Number of addresses announced to Internet: 2638974092
Equivalent to 157 /8s, 75 /16s and 140 /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: 94.9
Total number of prefixes smaller than registry allocations: 162849
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110190
Total APNIC prefixes after maximum aggregation: 33447
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 112084
Unique aggregates announced from the APNIC address blocks: 46619
APNIC Region origin ASes present in the Internet Routing Table: 4867
APNIC Prefixes per ASN: 23.03
APNIC Region origin ASes announcing only one prefix: 1221
APNIC Region transit ASes present in the Internet Routing Table: 829
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 652
Number of APNIC addresses announced to Internet: 727606272
Equivalent to 43 /8s, 94 /16s and 100 /24s
Percentage of available APNIC address space announced: 85.0
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: 161456
Total ARIN prefixes after maximum aggregation: 80994
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 161934
Unique aggregates announced from the ARIN address blocks: 75348
ARIN Region origin ASes present in the Internet Routing Table: 15846
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 6018
ARIN Region transit ASes present in the Internet Routing Table: 1669
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 20
Number of ARIN addresses announced to Internet: 1071033088
Equivalent to 63 /8s, 214 /16s and 171 /24s
Percentage of available ARIN address space announced: 56.7
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, 62464-63487, 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: 119307
Total RIPE prefixes after maximum aggregation: 60952
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123185
Unique aggregates announced from the RIPE address blocks: 79183
RIPE Region origin ASes present in the Internet Routing Table: 17389
RIPE Prefixes per ASN: 7.08
RIPE Region origin ASes announcing only one prefix: 8243
RIPE Region transit ASes present in the Internet Routing Table: 2818
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2392
Number of RIPE addresses announced to Internet: 657222628
Equivalent to 39 /8s, 44 /16s and 107 /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: 50829
Total LACNIC prefixes after maximum aggregation: 9644
LACNIC Deaggregation factor: 5.27
Prefixes being announced from the LACNIC address blocks: 55572
Unique aggregates announced from the LACNIC address blocks: 25716
LACNIC Region origin ASes present in the Internet Routing Table: 2003
LACNIC Prefixes per ASN: 27.74
LACNIC Region origin ASes announcing only one prefix: 567
LACNIC Region transit ASes present in the Internet Routing Table: 374
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 815
Number of LACNIC addresses announced to Internet: 135910824
Equivalent to 8 /8s, 25 /16s and 213 /24s
Percentage of available LACNIC address space announced: 81.0
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 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: 11580
Total AfriNIC prefixes after maximum aggregation: 2538
AfriNIC Deaggregation factor: 4.56
Prefixes being announced from the AfriNIC address blocks: 12176
Unique aggregates announced from the AfriNIC address blocks: 3882
AfriNIC Region origin ASes present in the Internet Routing Table: 652
AfriNIC Prefixes per ASN: 18.67
AfriNIC Region origin ASes announcing only one prefix: 194
AfriNIC Region transit ASes present in the Internet Routing Table: 139
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46459904
Equivalent to 2 /8s, 196 /16s and 236 /24s
Percentage of available AfriNIC address space announced: 46.2
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 2920 11561 921 Korea Telecom (KIX)
17974 2669 903 91 PT TELEKOMUNIKASI INDONESIA
7545 2062 321 112 TPG Internet Pty Ltd
4755 1768 391 191 TATA Communications formerly
9829 1529 1221 45 BSNL National Internet Backbo
9583 1227 92 506 Sify Limited
9498 1180 309 69 BHARTI Airtel Ltd.
4808 1155 2128 337 CNCGROUP IP network: China169
7552 1139 1080 13 Vietel Corporation
24560 1089 394 160 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3069 3689 62 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
22773 2043 2933 125 Cox Communications, Inc.
1785 2006 679 125 PaeTec Communications, Inc.
20115 1674 1645 630 Charter Communications
4323 1615 1103 408 Time Warner Telecom
701 1522 11119 797 UUNET Technologies, Inc.
30036 1349 302 641 Mediacom Communications Corp
7018 1310 11277 828 AT&T WorldNet Services
11492 1220 218 366 Cable One
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1635 544 16 Corbina telecom
2118 1368 97 13 EUnet/RELCOM Autonomous Syste
34984 1307 244 221 BILISIM TELEKOM
31148 982 43 18 FreeNet ISP
20940 980 351 756 Akamai Technologies European
6830 895 2367 428 UPC Distribution Services
13188 846 99 72 Educational Network
8551 752 370 41 Bezeq International
12479 687 797 53 Uni2 Autonomous System
58113 541 55 339 LIR DATACENTER TELECOM SRL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3221 1695 101 NET Servicos de Comunicao S.A
10620 2615 422 239 TVCABLE BOGOTA
7303 1733 1158 223 Telecom Argentina Stet-France
18881 1452 844 20 Global Village Telecom
8151 1286 2774 391 UniNet S.A. de C.V.
11830 933 364 15 Instituto Costarricense de El
27947 839 94 91 Telconet S.A
6503 792 434 63 AVANTEL, S.A.
6147 734 374 25 Telefonica Del Peru
3816 723 302 83 Empresa Nacional de Telecomun
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1861 112 5 MOBITEL
24863 870 274 30 LINKdotNET AS number
6713 543 633 26 Itissalat Al-MAGHRIB
8452 435 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 258 921 217 The Internet Solution
36992 222 501 28 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
29571 220 17 12 Ci Telecom Autonomous system
12258 193 28 71 Vodacom Internet Company
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3221 1695 101 NET Servicos de Comunicao S.A
6389 3069 3689 62 bellsouth.net, inc.
4766 2920 11561 921 Korea Telecom (KIX)
17974 2669 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2615 422 239 TVCABLE BOGOTA
18566 2065 382 184 Covad Communications
7545 2062 321 112 TPG Internet Pty Ltd
22773 2043 2933 125 Cox Communications, Inc.
1785 2006 679 125 PaeTec Communications, Inc.
36998 1861 112 5 MOBITEL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3069 3007 bellsouth.net, inc.
17974 2669 2578 PT TELEKOMUNIKASI INDONESIA
10620 2615 2376 TVCABLE BOGOTA
4766 2920 1999 Korea Telecom (KIX)
7545 2062 1950 TPG Internet Pty Ltd
22773 2043 1918 Cox Communications, Inc.
18566 2065 1881 Covad Communications
1785 2006 1881 PaeTec Communications, Inc.
36998 1861 1856 MOBITEL
8402 1635 1619 Corbina telecom
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
30621 UNALLOCATED 12.151.74.0/23 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.100.0.0/24 4847 China Networks Inter-Exchange
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.90.192.0/18 36086 Broad Communications Technolo
23.91.0.0/19 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.92.16.0/21 8001 Net Access Corporation
23.92.24.0/22 6939 Hurricane Electric
23.92.48.0/20 62471 SupremeBytes, LLC
23.92.64.0/24 54540 Incero LLC
23.92.65.0/24 54540 Incero LLC
23.92.66.0/24 54540 Incero LLC
Complete listing at http://thyme.rand.apnic.net/current/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 /8:16 /9:11 /10:30 /11:93 /12:250
/13:480 /14:907 /15:1620 /16:12772 /17:6674 /18:11081
/19:22666 /20:32312 /21:35004 /22:49122 /23:42958 /24:246793
/25:884 /26:1006 /27:479 /28:44 /29:77 /30:17
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
36998 1826 1861 MOBITEL
6389 1714 3069 bellsouth.net, inc.
8402 1367 1635 Corbina telecom
22773 1329 2043 Cox Communications, Inc.
30036 1212 1349 Mediacom Communications Corp
11492 1181 1220 Cable One
1785 1078 2006 PaeTec Communications, Inc.
6983 1025 1152 ITC^Deltacom
10620 944 2615 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:802 2:776 3:3 4:18 5:920 6:19
8:604 12:1896 13:2 14:872 15:11 16:3
17:11 18:19 20:18 23:373 24:1742 27:1556
31:1415 32:45 33:2 34:5 36:73 37:1846
38:900 39:4 40:179 41:3240 42:245 44:9
46:1959 47:4 49:666 50:838 52:12 54:37
55:4 57:26 58:1170 59:623 60:336 61:1414
62:1221 63:1991 64:4570 65:2300 66:4177 67:2075
68:1088 69:3302 70:863 71:496 72:2003 74:2540
75:326 76:304 77:1160 78:1056 79:628 80:1305
81:1022 82:635 83:583 84:578 85:1239 86:479
87:1046 88:539 89:1829 90:158 91:5590 92:636
93:1667 94:2022 95:1526 96:523 97:347 98:1039
99:44 100:29 101:598 103:3222 105:519 106:139
107:210 108:497 109:1871 110:950 111:1112 112:568
113:792 114:710 115:1030 116:974 117:804 118:1126
119:1291 120:367 121:740 122:1868 123:1244 124:1379
125:1418 128:611 129:223 130:311 131:671 132:351
133:160 134:286 135:67 136:264 137:268 138:347
139:179 140:196 141:322 142:552 143:377 144:490
145:100 146:531 147:489 148:682 149:355 150:151
151:561 152:415 153:195 154:30 155:481 156:274
157:406 158:282 159:753 160:351 161:460 162:623
163:222 164:627 165:561 166:255 167:605 168:1032
169:126 170:1081 171:191 172:25 173:1601 174:513
175:495 176:1192 177:2128 178:1908 179:110 180:1509
181:690 182:1240 183:444 184:639 185:790 186:2482
187:1378 188:1913 189:1283 190:7042 192:6944 193:5846
194:4702 195:3590 196:1339 197:1005 198:4650 199:5443
200:6023 201:2593 202:8925 203:8905 204:4528 205:2602
206:2837 207:2904 208:3999 209:3634 210:2940 211:1555
212:2255 213:2052 214:913 215:100 216:5305 217:1647
218:623 219:313 220:1276 221:555 222:325 223:507
End of report