Routing Table Report 04:00 +10GMT Tue 27 Aug, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 464562
Prefixes after maximum aggregation: 187359
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 230622
Total ASes present in the Internet Routing Table: 44820
Prefixes per ASN: 10.37
Origin-only ASes present in the Internet Routing Table: 35051
Origin ASes announcing only one prefix: 16243
Transit ASes present in the Internet Routing Table: 5894
Transit-only ASes present in the Internet Routing Table: 171
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 5038
Unregistered ASNs in the Routing Table: 1639
Number of 32-bit ASNs allocated by the RIRs: 4979
Number of 32-bit ASNs visible in the Routing Table: 3875
Prefixes from 32-bit ASNs in the Routing Table: 11770
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 325
Number of addresses announced to Internet: 2637222476
Equivalent to 157 /8s, 48 /16s and 210 /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: 94.9
Total number of prefixes smaller than registry allocations: 162823
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110050
Total APNIC prefixes after maximum aggregation: 33402
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 111926
Unique aggregates announced from the APNIC address blocks: 46542
APNIC Region origin ASes present in the Internet Routing Table: 4871
APNIC Prefixes per ASN: 22.98
APNIC Region origin ASes announcing only one prefix: 1224
APNIC Region transit ASes present in the Internet Routing Table: 826
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: 726818048
Equivalent to 43 /8s, 82 /16s and 93 /24s
Percentage of available APNIC address space announced: 84.9
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: 161380
Total ARIN prefixes after maximum aggregation: 80980
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 161885
Unique aggregates announced from the ARIN address blocks: 75126
ARIN Region origin ASes present in the Internet Routing Table: 15838
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 6010
ARIN Region transit ASes present in the Internet Routing Table: 1667
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: 19
Number of ARIN addresses announced to Internet: 1070816768
Equivalent to 63 /8s, 211 /16s and 94 /24s
Percentage of available ARIN address space announced: 56.6
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: 118703
Total RIPE prefixes after maximum aggregation: 60825
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122542
Unique aggregates announced from the RIPE address blocks: 79059
RIPE Region origin ASes present in the Internet Routing Table: 17380
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8244
RIPE Region transit ASes present in the Internet Routing Table: 2810
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: 2388
Number of RIPE addresses announced to Internet: 657110564
Equivalent to 39 /8s, 42 /16s and 182 /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: 50917
Total LACNIC prefixes after maximum aggregation: 9561
LACNIC Deaggregation factor: 5.33
Prefixes being announced from the LACNIC address blocks: 55635
Unique aggregates announced from the LACNIC address blocks: 25661
LACNIC Region origin ASes present in the Internet Routing Table: 2003
LACNIC Prefixes per ASN: 27.78
LACNIC Region origin ASes announcing only one prefix: 570
LACNIC Region transit ASes present in the Internet Routing Table: 370
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 810
Number of LACNIC addresses announced to Internet: 135488808
Equivalent to 8 /8s, 19 /16s and 101 /24s
Percentage of available LACNIC address space announced: 80.8
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: 11654
Total AfriNIC prefixes after maximum aggregation: 2548
AfriNIC Deaggregation factor: 4.57
Prefixes being announced from the AfriNIC address blocks: 12249
Unique aggregates announced from the AfriNIC address blocks: 3931
AfriNIC Region origin ASes present in the Internet Routing Table: 652
AfriNIC Prefixes per ASN: 18.79
AfriNIC Region origin ASes announcing only one prefix: 195
AfriNIC Region transit ASes present in the Internet Routing Table: 135
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: 46548992
Equivalent to 2 /8s, 198 /16s and 72 /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 2922 11561 921 Korea Telecom (KIX)
17974 2656 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2062 321 112 TPG Internet Pty Ltd
4755 1762 391 189 TATA Communications formerly
9829 1535 1221 45 BSNL National Internet Backbo
9583 1226 92 505 Sify Limited
9498 1181 309 70 BHARTI Airtel Ltd.
4808 1154 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 2976 3689 62 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
22773 2040 2933 124 Cox Communications, Inc.
1785 2006 679 125 PaeTec Communications, Inc.
20115 1675 1645 628 Charter Communications
4323 1617 1105 408 Time Warner Telecom
701 1521 11103 797 UUNET Technologies, Inc.
30036 1341 300 642 Mediacom Communications Corp
7018 1313 11277 828 AT&T WorldNet Services
11492 1223 218 361 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 1650 544 16 Corbina telecom
34984 1308 244 222 BILISIM TELEKOM
31148 979 43 18 FreeNet ISP
20940 973 350 750 Akamai Technologies European
2118 962 97 13 EUnet/RELCOM Autonomous Syste
6830 895 2367 428 UPC Distribution Services
13188 845 99 71 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 3177 1684 110 NET Servicos de Comunicao S.A
10620 2673 425 219 TVCABLE BOGOTA
7303 1732 1157 222 Telecom Argentina Stet-France
18881 1454 844 20 Global Village Telecom
8151 1283 2768 389 UniNet S.A. de C.V.
11830 945 364 15 Instituto Costarricense de El
27947 837 94 91 Telconet S.A
6503 787 434 63 AVANTEL, S.A.
6147 732 374 25 Telefonica Del Peru
3816 721 302 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 873 274 30 LINKdotNET AS number
6713 543 633 26 Itissalat Al-MAGHRIB
8452 433 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 258 921 217 The Internet Solution
15706 221 32 6 Sudatel Internet Exchange Aut
36992 220 501 28 Etisalat MISR
29571 219 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 3177 1684 110 NET Servicos de Comunicao S.A
6389 2976 3689 62 bellsouth.net, inc.
4766 2922 11561 921 Korea Telecom (KIX)
10620 2673 425 219 TVCABLE BOGOTA
17974 2656 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
7545 2062 321 112 TPG Internet Pty Ltd
22773 2040 2933 124 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 2976 2914 bellsouth.net, inc.
17974 2656 2564 PT TELEKOMUNIKASI INDONESIA
10620 2673 2454 TVCABLE BOGOTA
4766 2922 2001 Korea Telecom (KIX)
7545 2062 1950 TPG Internet Pty Ltd
22773 2040 1916 Cox Communications, Inc.
18566 2065 1881 Covad Communications
1785 2006 1881 PaeTec Communications, Inc.
36998 1861 1856 MOBITEL
8402 1650 1634 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.
23.91.0.0/19 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
23.92.67.0/24 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 /14:906 /15:1617 /16:12748 /17:6662 /18:11076
/19:22685 /20:32308 /21:34988 /22:49054 /23:42970 /24:246137
/25:882 /26:1010 /27:481 /28:44 /29:78 /30:18
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
36998 1826 1861 MOBITEL
6389 1711 2976 bellsouth.net, inc.
8402 1390 1650 Corbina telecom
22773 1328 2040 Cox Communications, Inc.
30036 1204 1341 Mediacom Communications Corp
11492 1184 1223 Cable One
1785 1079 2006 PaeTec Communications, Inc.
6983 1023 1151 ITC^Deltacom
10620 991 2673 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:800 2:787 3:3 4:19 5:914 6:17
8:600 12:1895 13:2 14:872 15:11 16:3
17:11 18:19 20:18 23:361 24:1739 27:1552
31:1407 32:45 33:2 34:5 36:72 37:1834
38:899 39:4 40:180 41:3261 42:243 44:9
46:1983 47:4 49:660 50:843 52:12 54:37
55:4 57:26 58:1170 59:621 60:335 61:1412
62:1174 63:1991 64:4563 65:2244 66:4194 67:2079
68:1093 69:3315 70:864 71:495 72:2033 74:2538
75:323 76:306 77:1156 78:1094 79:627 80:1307
81:1018 82:647 83:585 84:578 85:1220 86:486
87:1042 88:538 89:1822 90:158 91:5592 92:642
93:1669 94:2021 95:1549 96:523 97:343 98:1039
99:44 100:29 101:597 103:3188 105:519 106:138
107:210 108:498 109:1859 110:946 111:1108 112:568
113:789 114:714 115:1027 116:970 117:804 118:1122
119:1294 120:367 121:740 122:1864 123:1248 124:1376
125:1415 128:603 129:223 130:311 131:671 132:350
133:160 134:279 135:67 136:267 137:268 138:347
139:189 140:200 141:321 142:551 143:390 144:496
145:94 146:529 147:482 148:683 149:354 150:145
151:560 152:416 153:194 154:30 155:483 156:272
157:406 158:282 159:747 160:352 161:461 162:611
163:222 164:627 165:558 166:255 167:603 168:1030
169:126 170:1078 171:191 172:25 173:1581 174:517
175:495 176:1201 177:2183 178:1905 179:107 180:1522
181:661 182:1227 183:442 184:662 185:776 186:2446
187:1413 188:1890 189:1285 190:7020 192:6949 193:5535
194:4606 195:3601 196:1340 197:1008 198:4620 199:5437
200:5986 201:2605 202:8892 203:8885 204:4535 205:2599
206:2830 207:2905 208:3999 209:3625 210:2921 211:1556
212:2261 213:2034 214:922 215:100 216:5315 217:1656
218:619 219:304 220:1277 221:553 222:324 223:503
End of report