Routing Table Report 04:00 +10GMT Sun 25 Aug, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 464431
Prefixes after maximum aggregation: 187335
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 230503
Total ASes present in the Internet Routing Table: 44781
Prefixes per ASN: 10.37
Origin-only ASes present in the Internet Routing Table: 35022
Origin ASes announcing only one prefix: 16222
Transit ASes present in the Internet Routing Table: 5895
Transit-only ASes present in the Internet Routing Table: 174
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 19037) 22
Prefixes from unregistered ASNs in the Routing Table: 4835
Unregistered ASNs in the Routing Table: 1585
Number of 32-bit ASNs allocated by the RIRs: 4976
Number of 32-bit ASNs visible in the Routing Table: 3864
Prefixes from 32-bit ASNs in the Routing Table: 11779
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 323
Number of addresses announced to Internet: 2637310540
Equivalent to 157 /8s, 50 /16s and 42 /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: 162826
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110087
Total APNIC prefixes after maximum aggregation: 33417
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 111945
Unique aggregates announced from the APNIC address blocks: 46502
APNIC Region origin ASes present in the Internet Routing Table: 4867
APNIC Prefixes per ASN: 23.00
APNIC Region origin ASes announcing only one prefix: 1223
APNIC Region transit ASes present in the Internet Routing Table: 824
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: 648
Number of APNIC addresses announced to Internet: 726939136
Equivalent to 43 /8s, 84 /16s and 54 /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: 161363
Total ARIN prefixes after maximum aggregation: 80986
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 161881
Unique aggregates announced from the ARIN address blocks: 75100
ARIN Region origin ASes present in the Internet Routing Table: 15832
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 6008
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: 19
Number of ARIN addresses announced to Internet: 1070831616
Equivalent to 63 /8s, 211 /16s and 152 /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: 118615
Total RIPE prefixes after maximum aggregation: 60790
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122449
Unique aggregates announced from the RIPE address blocks: 79023
RIPE Region origin ASes present in the Internet Routing Table: 17367
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8231
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: 2385
Number of RIPE addresses announced to Internet: 657014820
Equivalent to 39 /8s, 41 /16s and 64 /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: 50875
Total LACNIC prefixes after maximum aggregation: 9559
LACNIC Deaggregation factor: 5.32
Prefixes being announced from the LACNIC address blocks: 55617
Unique aggregates announced from the LACNIC address blocks: 25660
LACNIC Region origin ASes present in the Internet Routing Table: 1999
LACNIC Prefixes per ASN: 27.82
LACNIC Region origin ASes announcing only one prefix: 566
LACNIC Region transit ASes present in the Internet Routing Table: 368
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 806
Number of LACNIC addresses announced to Internet: 135486248
Equivalent to 8 /8s, 19 /16s and 91 /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: 11625
Total AfriNIC prefixes after maximum aggregation: 2541
AfriNIC Deaggregation factor: 4.57
Prefixes being announced from the AfriNIC address blocks: 12216
Unique aggregates announced from the AfriNIC address blocks: 3917
AfriNIC Region origin ASes present in the Internet Routing Table: 649
AfriNIC Prefixes per ASN: 18.82
AfriNIC Region origin ASes announcing only one prefix: 194
AfriNIC Region transit ASes present in the Internet Routing Table: 135
Average AfriNIC Region AS path length visible: 4.8
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: 46602496
Equivalent to 2 /8s, 199 /16s and 25 /24s
Percentage of available AfriNIC address space announced: 46.3
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 2063 321 113 TPG Internet Pty Ltd
4755 1760 391 188 TATA Communications formerly
9829 1535 1221 45 BSNL National Internet Backbo
9583 1227 92 506 Sify Limited
9498 1175 309 70 BHARTI Airtel Ltd.
4808 1152 2126 335 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 2039 2933 123 Cox Communications, Inc.
1785 2006 679 125 PaeTec Communications, Inc.
20115 1675 1645 628 Charter Communications
4323 1621 1105 408 Time Warner Telecom
701 1520 11103 796 UUNET Technologies, Inc.
30036 1346 301 643 Mediacom Communications Corp
7018 1312 11277 827 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 1567 544 16 Corbina telecom
34984 1306 244 223 BILISIM TELEKOM
31148 979 43 18 FreeNet ISP
20940 977 351 752 Akamai Technologies European
2118 962 97 13 EUnet/RELCOM Autonomous Syste
6830 898 2371 429 UPC Distribution Services
13188 845 99 71 Educational Network
8551 747 370 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 3168 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 1276 2767 387 UniNet S.A. de C.V.
11830 945 364 15 Instituto Costarricense de El
27947 837 94 91 Telconet S.A
6503 788 434 64 AVANTEL, S.A.
6147 739 374 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 874 274 30 LINKdotNET AS number
6713 539 633 26 Itissalat Al-MAGHRIB
8452 435 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 258 921 217 The Internet Solution
15706 221 32 6 Sudatel Internet Exchange Aut
29571 220 17 12 Ci Telecom Autonomous system
36992 220 501 29 Etisalat MISR
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 3168 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 2063 321 113 TPG Internet Pty Ltd
22773 2039 2933 123 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 2063 1950 TPG Internet Pty Ltd
22773 2039 1916 Cox Communications, Inc.
18566 2065 1881 Covad Communications
1785 2006 1881 PaeTec Communications, Inc.
36998 1861 1856 MOBITEL
4755 1760 1572 TATA Communications formerly
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
/13:478 /14:906 /15:1617 /16:12742 /17:6662 /18:11077
/19:22693 /20:32328 /21:34936 /22:49035 /23:42969 /24:246056
/25:880 /26:1011 /27:483 /28:44 /29:77 /30:18
/31:0 /32:19
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.
22773 1328 2039 Cox Communications, Inc.
8402 1301 1567 Corbina telecom
30036 1209 1346 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 2:720 3:3 4:19 5:912 6:17
8:600 12:1893 13:2 14:872 15:11 16:3
17:11 18:19 20:18 23:361 24:1739 27:1551
31:1411 32:45 33:2 34:5 36:70 37:1829
38:899 39:2 40:180 41:3246 42:243 44:9
46:1981 47:4 49:661 50:843 52:12 54:37
55:5 57:26 58:1168 59:616 60:333 61:1400
62:1176 63:1993 64:4560 65:2245 66:4197 67:2077
68:1093 69:3313 70:864 71:495 72:2034 74:2539
75:326 76:306 77:1160 78:1096 79:627 80:1309
81:1020 82:647 83:585 84:572 85:1219 86:482
87:1052 88:539 89:1819 90:158 91:5573 92:644
93:1661 94:2021 95:1545 96:523 97:347 98:1039
99:44 100:29 101:597 103:3188 105:519 106:138
107:210 108:498 109:1886 110:946 111:1104 112:568
113:791 114:730 115:1026 116:973 117:804 118:1121
119:1293 120:367 121:740 122:1862 123:1246 124:1375
125:1412 128:608 129:223 130:310 131:671 132:350
133:160 134:283 135:67 136:267 137:268 138:347
139:189 140:200 141:322 142:548 143:384 144:499
145:95 146:531 147:479 148:676 149:353 150:150
151:560 152:416 153:194 154:30 155:485 156:272
157:404 158:282 159:748 160:351 161:456 162:599
163:221 164:628 165:568 166:255 167:603 168:1029
169:126 170:1077 171:191 172:25 173:1583 174:518
175:496 176:1190 177:2214 178:1916 179:109 180:1526
181:663 182:1227 183:441 184:664 185:770 186:2470
187:1408 188:1890 189:1280 190:7036 192:6946 193:5531
194:4603 195:3603 196:1332 197:1007 198:4616 199:5433
200:5990 201:2608 202:8890 203:8876 204:4534 205:2599
206:2837 207:2903 208:3993 209:3622 210:2915 211:1557
212:2251 213:2035 214:920 215:100 216:5315 217:1656
218:618 219:304 220:1278 221:553 222:324 223:505
End of report