Routing Table Report 08:00 +10GMT Sun 27 Apr, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 487689
Prefixes after maximum aggregation: 192233
Deaggregation factor: 2.54
Unique aggregates announced to Internet: 243012
Total ASes present in the Internet Routing Table: 46555
Prefixes per ASN: 10.48
Origin-only ASes present in the Internet Routing Table: 35767
Origin ASes announcing only one prefix: 16391
Transit ASes present in the Internet Routing Table: 5940
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: 1825
Unregistered ASNs in the Routing Table: 463
Number of 32-bit ASNs allocated by the RIRs: 6464
Number of 32-bit ASNs visible in the Routing Table: 4848
Prefixes from 32-bit ASNs in the Routing Table: 15937
Number of bogon 32-bit ASNs visible in the Routing Table: 125
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 452
Number of addresses announced to Internet: 2696119040
Equivalent to 160 /8s, 179 /16s and 131 /24s
Percentage of available address space announced: 72.8
Percentage of allocated address space announced: 72.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.3
Total number of prefixes smaller than registry allocations: 169880
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 112480
Total APNIC prefixes after maximum aggregation: 34226
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 116041
Unique aggregates announced from the APNIC address blocks: 49770
APNIC Region origin ASes present in the Internet Routing Table: 4880
APNIC Prefixes per ASN: 23.78
APNIC Region origin ASes announcing only one prefix: 1238
APNIC Region transit ASes present in the Internet Routing Table: 824
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 33
Number of APNIC region 32-bit ASNs visible in the Routing Table: 921
Number of APNIC addresses announced to Internet: 731021824
Equivalent to 43 /8s, 146 /16s and 130 /24s
Percentage of available APNIC address space announced: 85.4
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: 166884
Total ARIN prefixes after maximum aggregation: 82816
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 168431
Unique aggregates announced from the ARIN address blocks: 79252
ARIN Region origin ASes present in the Internet Routing Table: 16173
ARIN Prefixes per ASN: 10.41
ARIN Region origin ASes announcing only one prefix: 6095
ARIN Region transit ASes present in the Internet Routing Table: 1629
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 90
Number of ARIN addresses announced to Internet: 1073733376
Equivalent to 63 /8s, 255 /16s and 223 /24s
Percentage of available ARIN address space announced: 56.8
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: 123415
Total RIPE prefixes after maximum aggregation: 62507
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 127739
Unique aggregates announced from the RIPE address blocks: 80673
RIPE Region origin ASes present in the Internet Routing Table: 17677
RIPE Prefixes per ASN: 7.23
RIPE Region origin ASes announcing only one prefix: 8298
RIPE Region transit ASes present in the Internet Routing Table: 2848
Average RIPE Region AS path length visible: 3.4
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2694
Number of RIPE addresses announced to Internet: 657565440
Equivalent to 39 /8s, 49 /16s and 167 /24s
Percentage of available RIPE address space announced: 95.6
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, 196608-202239
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: 55724
Total LACNIC prefixes after maximum aggregation: 9982
LACNIC Deaggregation factor: 5.58
Prefixes being announced from the LACNIC address blocks: 61953
Unique aggregates announced from the LACNIC address blocks: 28641
LACNIC Region origin ASes present in the Internet Routing Table: 2083
LACNIC Prefixes per ASN: 29.74
LACNIC Region origin ASes announcing only one prefix: 553
LACNIC Region transit ASes present in the Internet Routing Table: 419
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1120
Number of LACNIC addresses announced to Internet: 157967616
Equivalent to 9 /8s, 106 /16s and 101 /24s
Percentage of available LACNIC address space announced: 94.2
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: 12410
Total AfriNIC prefixes after maximum aggregation: 2665
AfriNIC Deaggregation factor: 4.66
Prefixes being announced from the AfriNIC address blocks: 13072
Unique aggregates announced from the AfriNIC address blocks: 4294
AfriNIC Region origin ASes present in the Internet Routing Table: 716
AfriNIC Prefixes per ASN: 18.26
AfriNIC Region origin ASes announcing only one prefix: 207
AfriNIC Region transit ASes present in the Internet Routing Table: 141
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: 23
Number of AfriNIC addresses announced to Internet: 53232384
Equivalent to 3 /8s, 44 /16s and 67 /24s
Percentage of available AfriNIC address space announced: 52.9
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 2799 903 78 PT Telekomunikasi Indonesia
4766 2222 11583 629 Korea Telecom
7545 2169 320 117 TPG Telecom Limited
4755 1859 400 188 TATA Communications formerly
9829 1603 1285 40 National Internet Backbone
9583 1324 103 544 Sify Limited
9498 1257 314 85 BHARTI Airtel Ltd.
7552 1219 1082 13 Viettel Corporation
24560 1126 385 175 Bharti Airtel Ltd., Telemedia
4808 1080 2039 317 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
22773 3065 2937 135 Cox Communications Inc.
6389 2981 3688 53 BellSouth.net Inc.
1785 2196 699 133 PaeTec Communications, Inc.
18566 2044 379 177 MegaPath Corporation
20115 1706 1690 566 Charter Communications
4323 1634 1089 408 tw telecom holdings, inc.
701 1483 11158 752 MCI Communications Services,
30036 1400 303 542 Mediacom Communications Corp
6983 1326 800 307 ITC^Deltacom
22561 1301 402 232 CenturyTel Internet Holdings,
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
34984 1668 264 277 TELLCOM ILETISIM HIZMETLERI A
8402 1519 544 15 OJSC "Vimpelcom"
20940 1305 502 982 Akamai International B.V.
13188 1049 100 28 TOV "Bank-Inform"
8551 1020 370 41 Bezeq International-Ltd
31148 1018 45 19 Freenet Ltd.
6849 826 357 28 JSC "Ukrtelecom"
6830 765 2329 425 Liberty Global Operations B.V
12479 720 797 56 France Telecom Espana SA
9198 572 344 25 JSC Kazakhtelecom
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 3717 1955 98 NET Serviços de Comunicação S
10620 2844 459 199 Telmex Colombia S.A.
18881 1933 972 21 Global Village Telecom
7303 1754 1174 229 Telecom Argentina S.A.
8151 1389 2943 402 Uninet S.A. de C.V.
6503 1108 434 60 Axtel, S.A.B. de C.V.
7738 914 1754 40 Telemar Norte Leste S.A.
27947 867 114 52 Telconet S.A
11830 844 364 15 Instituto Costarricense de El
26615 843 2325 35 Tim Celular 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
36998 1634 240 6 Sudanese Mobile Telephone (ZA
24863 954 280 26 Link Egypt (Link.NET)
6713 614 722 28 Office National des Postes et
8452 568 958 13 TE-AS
37054 306 19 8 Data Telecom Service
24835 304 144 9 Vodafone Data
36992 275 783 24 ETISALAT MISR
3741 248 921 209 Internet Solutions
29571 225 22 23 Cote d'Ivoire Telecom
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 3717 1955 98 NET Serviços de Comunicação S
22773 3065 2937 135 Cox Communications Inc.
6389 2981 3688 53 BellSouth.net Inc.
10620 2844 459 199 Telmex Colombia S.A.
17974 2799 903 78 PT Telekomunikasi Indonesia
4766 2222 11583 629 Korea Telecom
1785 2196 699 133 PaeTec Communications, Inc.
7545 2169 320 117 TPG Telecom Limited
18566 2044 379 177 MegaPath Corporation
18881 1933 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
22773 3065 2930 Cox Communications Inc.
6389 2981 2928 BellSouth.net Inc.
17974 2799 2721 PT Telekomunikasi Indonesia
10620 2844 2645 Telmex Colombia S.A.
1785 2196 2063 PaeTec Communications, Inc.
7545 2169 2052 TPG Telecom Limited
18881 1933 1912 Global Village Telecom
18566 2044 1867 MegaPath Corporation
4755 1859 1671 TATA Communications formerly
36998 1634 1628 Sudanese Mobile Telephone (ZA
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
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
22511 UNALLOCATED 8.28.225.0/24 3356 Level 3 Communicatio
22511 UNALLOCATED 8.36.68.0/24 3356 Level 3 Communicatio
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
65333 PRIVATE 10.0.0.0/8 0 *
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 /10:32 /11:90 /12:257
/13:478 /14:965 /15:1689 /16:12915 /17:6824 /18:11490
/19:24116 /20:33810 /21:36485 /22:52572 /23:45705 /24:259530
/25:9 /26:11 /27:13 /28:112 /29:231 /30:194
/31:0 /32:132
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2309 3065 Cox Communications Inc.
18566 1999 2044 MegaPath Corporation
6389 1692 2981 BellSouth.net Inc.
36998 1599 1634 Sudanese Mobile Telephone (ZA
30036 1237 1400 Mediacom Communications Corp
8402 1212 1519 OJSC "Vimpelcom"
11492 1191 1235 CABLE ONE, INC.
1785 1162 2196 PaeTec Communications, Inc.
6983 1043 1326 ITC^Deltacom
34984 1030 1668 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1024 2:739 3:3 4:15 5:979 6:19
8:676 12:1850 13:4 14:958 15:13 16:2
17:31 18:21 20:36 23:803 24:1744 25:1
27:1763 31:1450 32:35 33:2 34:5 36:133
37:1878 38:937 39:6 40:196 41:3211 42:246
44:10 46:2131 47:19 49:693 50:920 52:12
54:47 55:4 57:33 58:1156 59:601 60:397
61:1516 62:1291 63:1981 64:4373 65:2269 66:4146
67:2061 68:1035 69:3293 70:867 71:446 72:2023
74:2616 75:312 76:418 77:1528 78:959 79:708
80:1294 81:1150 82:738 83:754 84:710 85:1256
86:470 87:1192 88:524 89:1803 90:140 91:5724
92:684 93:1712 94:2050 95:1473 96:546 97:348
98:1074 99:48 100:54 101:601 103:4682 105:534
106:172 107:563 108:559 109:2048 110:978 111:1284
112:643 113:834 114:782 115:1081 116:1028 117:907
118:1396 119:1318 120:349 121:792 122:1875 123:1273
124:1353 125:1400 128:587 129:302 130:329 131:651
132:377 133:162 134:321 135:74 136:255 137:320
138:351 139:168 140:182 141:355 142:556 143:409
144:493 145:100 146:585 147:439 148:874 149:345
150:167 151:633 152:421 153:217 154:268 155:480
156:334 157:339 158:241 159:803 160:337 161:511
162:1322 163:196 164:677 165:608 166:277 167:611
168:985 169:123 170:1391 171:190 172:22 173:1642
174:696 175:585 176:1345 177:2881 178:1962 179:597
180:1711 181:1102 182:1538 183:511 184:707 185:1549
186:2774 187:1518 188:1920 189:1465 190:7450 191:212
192:7156 193:5473 194:4045 195:3496 196:1393 197:1177
198:4959 199:5545 200:6213 201:2643 202:8812 203:8867
204:4569 205:2692 206:2846 207:2862 208:3980 209:3720
210:2988 211:1668 212:2217 213:2037 214:905 215:84
216:5446 217:1686 218:563 219:305 220:1275 221:597
222:340 223:577
End of report