Routing Table Report 08:00 +10GMT Fri 28 Feb, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 478678
Prefixes after maximum aggregation: 190110
Deaggregation factor: 2.52
Unique aggregates announced to Internet: 239112
Total ASes present in the Internet Routing Table: 46115
Prefixes per ASN: 10.38
Origin-only ASes present in the Internet Routing Table: 35599
Origin ASes announcing only one prefix: 16428
Transit ASes present in the Internet Routing Table: 5930
Transit-only ASes present in the Internet Routing Table: 153
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 33
Max AS path prepend of ASN ( 55644) 29
Prefixes from unregistered ASNs in the Routing Table: 1841
Unregistered ASNs in the Routing Table: 476
Number of 32-bit ASNs allocated by the RIRs: 6011
Number of 32-bit ASNs visible in the Routing Table: 4586
Prefixes from 32-bit ASNs in the Routing Table: 14755
Number of bogon 32-bit ASNs visible in the Routing Table: 1
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 415
Number of addresses announced to Internet: 2677509632
Equivalent to 159 /8s, 151 /16s and 142 /24s
Percentage of available address space announced: 72.3
Percentage of allocated address space announced: 72.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.8
Total number of prefixes smaller than registry allocations: 167192
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110332
Total APNIC prefixes after maximum aggregation: 33726
APNIC Deaggregation factor: 3.27
Prefixes being announced from the APNIC address blocks: 113637
Unique aggregates announced from the APNIC address blocks: 49099
APNIC Region origin ASes present in the Internet Routing Table: 4853
APNIC Prefixes per ASN: 23.42
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 822
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 33
Number of APNIC region 32-bit ASNs visible in the Routing Table: 852
Number of APNIC addresses announced to Internet: 730145024
Equivalent to 43 /8s, 133 /16s and 33 /24s
Percentage of available APNIC address space announced: 85.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
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: 164394
Total ARIN prefixes after maximum aggregation: 82410
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 165828
Unique aggregates announced from the ARIN address blocks: 77580
ARIN Region origin ASes present in the Internet Routing Table: 16112
ARIN Prefixes per ASN: 10.29
ARIN Region origin ASes announcing only one prefix: 6124
ARIN Region transit ASes present in the Internet Routing Table: 1628
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 17
Number of ARIN region 32-bit ASNs visible in the Routing Table: 67
Number of ARIN addresses announced to Internet: 1065521920
Equivalent to 63 /8s, 130 /16s and 147 /24s
Percentage of available ARIN address space announced: 56.4
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: 122091
Total RIPE prefixes after maximum aggregation: 61451
RIPE Deaggregation factor: 1.99
Prefixes being announced from the RIPE address blocks: 126068
Unique aggregates announced from the RIPE address blocks: 79913
RIPE Region origin ASes present in the Internet Routing Table: 17624
RIPE Prefixes per ASN: 7.15
RIPE Region origin ASes announcing only one prefix: 8313
RIPE Region transit ASes present in the Internet Routing Table: 2852
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2631
Number of RIPE addresses announced to Internet: 655948800
Equivalent to 39 /8s, 24 /16s and 252 /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, 61952-62463, 196608-200191
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: 54309
Total LACNIC prefixes after maximum aggregation: 9882
LACNIC Deaggregation factor: 5.50
Prefixes being announced from the LACNIC address blocks: 60069
Unique aggregates announced from the LACNIC address blocks: 28032
LACNIC Region origin ASes present in the Internet Routing Table: 2062
LACNIC Prefixes per ASN: 29.13
LACNIC Region origin ASes announcing only one prefix: 552
LACNIC Region transit ASes present in the Internet Routing Table: 402
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1024
Number of LACNIC addresses announced to Internet: 151871232
Equivalent to 9 /8s, 13 /16s and 95 /24s
Percentage of available LACNIC address space announced: 90.5
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: 11969
Total AfriNIC prefixes after maximum aggregation: 2604
AfriNIC Deaggregation factor: 4.60
Prefixes being announced from the AfriNIC address blocks: 12660
Unique aggregates announced from the AfriNIC address blocks: 4148
AfriNIC Region origin ASes present in the Internet Routing Table: 700
AfriNIC Prefixes per ASN: 18.09
AfriNIC Region origin ASes announcing only one prefix: 202
AfriNIC Region transit ASes present in the Internet Routing Table: 144
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 12
Number of AfriNIC addresses announced to Internet: 51363072
Equivalent to 3 /8s, 15 /16s and 189 /24s
Percentage of available AfriNIC address space announced: 51.0
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 2756 902 88 PT Telekomunikasi Indonesia
4766 2207 11573 595 Korea Telecom
7545 2126 320 117 TPG Telecom Limited
4755 1842 397 188 TATA Communications formerly
9829 1583 1283 39 National Internet Backbone
9583 1302 101 531 Sify Limited
7552 1234 1082 13 Viettel Corporation
9498 1227 309 69 BHARTI Airtel Ltd.
24560 1108 379 174 Bharti Airtel Ltd., Telemedia
4808 1082 2012 321 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 3022 3688 53 BellSouth.net Inc.
22773 2322 2938 141 Cox Communications Inc.
1785 2165 692 131 PaeTec Communications, Inc.
18566 2045 379 177 MegaPath Corporation
20115 1689 1673 576 Charter Communications
4323 1629 1105 412 tw telecom holdings, inc.
701 1494 11174 765 MCI Communications Services,
30036 1380 298 560 Mediacom Communications Corp
6983 1300 756 581 ITC^Deltacom
7018 1298 18020 844 AT&T Services, 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 1764 544 16 OJSC "Vimpelcom"
34984 1408 243 222 TELLCOM ILETISIM HIZMETLERI A
20940 1245 470 941 Akamai International B.V.
13188 1048 100 28 TOV "Bank-Inform"
31148 1017 45 21 Freenet Ltd.
8551 903 370 41 Bezeq International-Ltd
6849 866 363 38 JSC "Ukrtelecom"
6830 775 2331 426 Liberty Global Operations B.V
12479 713 798 51 France Telecom Espana SA
35819 563 634 74 Bayanat Al-Oula For Network S
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 3503 1938 92 NET Serviços de Comunicação S
10620 2753 440 199 Telmex Colombia S.A.
18881 1907 972 21 Global Village Telecom
7303 1751 1172 223 Telecom Argentina S.A.
8151 1367 2899 413 Uninet S.A. de C.V.
6503 934 434 61 Axtel, S.A.B. de C.V.
11830 869 364 15 Instituto Costarricense de El
7738 845 1626 38 Telemar Norte Leste S.A.
27947 845 102 91 Telconet S.A
3816 786 315 127 COLOMBIA TELECOMUNICACIONES S
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 1638 240 6 Sudanese Mobile Telephone (ZA
24863 920 376 28 Link Egypt (Link.NET)
6713 602 685 28 Office National des Postes et
8452 508 958 13 TE-AS
24835 299 144 9 Vodafone Data
36992 264 783 24 ETISALAT MISR
3741 247 921 208 Internet Solutions
15706 219 32 6 Sudatel (Sudan Telecom Co. Lt
37054 213 11 5 Data Telecom Service
29975 192 668 21 Vodacom
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
28573 3503 1938 92 NET Serviços de Comunicação S
6389 3022 3688 53 BellSouth.net Inc.
17974 2756 902 88 PT Telekomunikasi Indonesia
10620 2753 440 199 Telmex Colombia S.A.
22773 2322 2938 141 Cox Communications Inc.
4766 2207 11573 595 Korea Telecom
1785 2165 692 131 PaeTec Communications, Inc.
7545 2126 320 117 TPG Telecom Limited
18566 2045 379 177 MegaPath Corporation
18881 1907 972 21 Global Village Telecom
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3022 2969 BellSouth.net Inc.
17974 2756 2668 PT Telekomunikasi Indonesia
10620 2753 2554 Telmex Colombia S.A.
22773 2322 2181 Cox Communications Inc.
1785 2165 2034 PaeTec Communications, Inc.
7545 2126 2009 TPG Telecom Limited
18881 1907 1886 Global Village Telecom
18566 2045 1868 MegaPath Corporation
8402 1764 1748 OJSC "Vimpelcom"
4755 1842 1654 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.192.0/23 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.196.0/22 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.200.0/23 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.202.0/23 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.122.0/24 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.124.0/24 3356 Level 3 Communicatio
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 Reserved
100.64.0.0/10 65333 Reserved
169.254.0.0/16 65333 Reserved
172.16.0.0/12 65333 Reserved
192.0.0.0/24 65333 Reserved
192.0.2.0/24 65333 Reserved
192.168.0.0/16 0 *
198.18.0.0/15 65333 Reserved
198.51.100.0/24 65333 Reserved
203.0.113.0/24 65333 Reserved
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 >>UNKNOWN<<
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 37004 >>UNKNOWN<<
41.73.10.0/24 37004 >>UNKNOWN<<
41.73.11.0/24 37004 >>UNKNOWN<<
41.73.12.0/24 37004 >>UNKNOWN<<
41.73.13.0/24 37004 >>UNKNOWN<<
41.73.14.0/24 37004 >>UNKNOWN<<
41.73.15.0/24 37004 >>UNKNOWN<<
41.73.16.0/24 37004 >>UNKNOWN<<
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 /9:12 /10:31 /11:90 /12:256
/13:473 /14:954 /15:1648 /16:12827 /17:6761 /18:11391
/19:23645 /20:33399 /21:35981 /22:51185 /23:44563 /24:254737
/25:8 /26:11 /27:12 /28:121 /29:229 /30:187
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2000 2045 MegaPath Corporation
6389 1696 3022 BellSouth.net Inc.
36998 1599 1638 Sudanese Mobile Telephone (ZA
22773 1562 2322 Cox Communications Inc.
8402 1455 1764 OJSC "Vimpelcom"
30036 1218 1380 Mediacom Communications Corp
11492 1165 1205 CABLE ONE, INC.
1785 1160 2165 PaeTec Communications, Inc.
6983 1039 1300 ITC^Deltacom
22561 982 1278 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:976 2:844 3:3 4:15 5:903 6:19
8:647 12:1849 13:4 14:893 15:9 16:2
17:25 18:21 20:35 23:689 24:1719 27:1742
31:1570 32:39 33:2 34:5 36:119 37:1935
38:924 39:4 40:191 41:3181 42:239 44:18
46:2160 47:14 49:676 50:917 52:12 54:56
55:7 57:29 58:1070 59:593 60:374 61:1502
62:1255 63:1976 64:4328 65:2240 66:4191 67:2069
68:1035 69:3292 70:839 71:468 72:1959 74:2667
75:311 76:392 77:1236 78:1038 79:691 80:1288
81:1131 82:678 83:742 84:745 85:1264 86:393
87:1076 88:520 89:1659 90:151 91:5732 92:665
93:1670 94:2056 95:1484 96:535 97:352 98:1071
99:41 100:35 101:532 103:4248 105:534 106:166
107:501 108:525 109:2101 110:968 111:1249 112:602
113:810 114:767 115:1042 116:1014 117:846 118:1275
119:1291 120:341 121:756 122:1807 123:1257 124:1379
125:1454 128:598 129:234 130:342 131:644 132:346
133:157 134:307 135:74 136:245 137:300 138:350
139:157 140:182 141:346 142:544 143:413 144:496
145:99 146:590 147:441 148:751 149:340 150:148
151:599 152:421 153:204 154:90 155:461 156:325
157:368 158:218 159:780 160:355 161:469 162:1172
163:196 164:676 165:605 166:280 167:595 168:1041
169:124 170:1194 171:195 172:17 173:1640 174:679
175:568 176:1455 177:2797 178:1984 179:536 180:1621
181:981 182:1441 183:489 184:691 185:1313 186:2798
187:1449 188:1980 189:1280 190:7442 191:116 192:7028
193:5442 194:4018 195:3373 196:1349 197:1154 198:4862
199:5536 200:6017 201:2668 202:8756 203:8795 204:4588
205:2634 206:2818 207:2810 208:3969 209:3694 210:2951
211:1672 212:2224 213:2012 214:881 215:84 216:5482
217:1715 218:559 219:309 220:1289 221:596 222:333
223:598
End of report