Routing Table Report 08:00 +10GMT Thu 25 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 454402
Prefixes after maximum aggregation: 184978
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 228742
Total ASes present in the Internet Routing Table: 40656
Prefixes per ASN: 11.18
Origin-only ASes present in the Internet Routing Table: 34907
Origin ASes announcing only one prefix: 16235
Transit ASes present in the Internet Routing Table: 5742
Transit-only ASes present in the Internet Routing Table: 134
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 63
Max AS path prepend of ASN ( 2914) 60
Prefixes from unregistered ASNs in the Routing Table: 305619
Unregistered ASNs in the Routing Table: 25066
Number of 32-bit ASNs allocated by the RIRs: 4890
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 11386
Special use prefixes present in the Routing Table: 35
Prefixes being announced from unallocated address space: 277
Number of addresses announced to Internet: 2652280064
Equivalent to 158 /8s, 22 /16s and 149 /24s
Percentage of available address space announced: 71.6
Percentage of allocated address space announced: 71.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.7
Total number of prefixes smaller than registry allocations: 157536
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105447
Total APNIC prefixes after maximum aggregation: 32532
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 108029
Unique aggregates announced from the APNIC address blocks: 46192
APNIC Region origin ASes present in the Internet Routing Table: 4823
APNIC Prefixes per ASN: 22.40
APNIC Region origin ASes announcing only one prefix: 1247
APNIC Region transit ASes present in the Internet Routing Table: 798
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 725039872
Equivalent to 43 /8s, 55 /16s and 59 /24s
Percentage of available APNIC address space announced: 84.7
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: 158201
Total ARIN prefixes after maximum aggregation: 80269
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 158840
Unique aggregates announced from the ARIN address blocks: 74207
ARIN Region origin ASes present in the Internet Routing Table: 15738
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5994
ARIN Region transit ASes present in the Internet Routing Table: 1591
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 63
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1068083968
Equivalent to 63 /8s, 169 /16s and 171 /24s
Percentage of available ARIN address space announced: 56.5
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: 118579
Total RIPE prefixes after maximum aggregation: 60227
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 122128
Unique aggregates announced from the RIPE address blocks: 78754
RIPE Region origin ASes present in the Internet Routing Table: 17301
RIPE Prefixes per ASN: 7.06
RIPE Region origin ASes announcing only one prefix: 8219
RIPE Region transit ASes present in the Internet Routing Table: 2795
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656379648
Equivalent to 39 /8s, 31 /16s and 143 /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, 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: 48389
Total LACNIC prefixes after maximum aggregation: 9381
LACNIC Deaggregation factor: 5.16
Prefixes being announced from the LACNIC address blocks: 52859
Unique aggregates announced from the LACNIC address blocks: 25388
LACNIC Region origin ASes present in the Internet Routing Table: 1981
LACNIC Prefixes per ASN: 26.68
LACNIC Region origin ASes announcing only one prefix: 585
LACNIC Region transit ASes present in the Internet Routing Table: 356
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2
Number of LACNIC addresses announced to Internet: 133661952
Equivalent to 7 /8s, 247 /16s and 133 /24s
Percentage of available LACNIC address space announced: 79.7
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: 11675
Total AfriNIC prefixes after maximum aggregation: 2529
AfriNIC Deaggregation factor: 4.62
Prefixes being announced from the AfriNIC address blocks: 12268
Unique aggregates announced from the AfriNIC address blocks: 3942
AfriNIC Region origin ASes present in the Internet Routing Table: 645
AfriNIC Prefixes per ASN: 19.02
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 131
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: 1
Number of AfriNIC addresses announced to Internet: 46493952
Equivalent to 2 /8s, 197 /16s and 113 /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
17974 2619 871 92 >>UNKNOWN<<
4766 2111 11553 621 Korea Telecom
7545 2027 320 109 TPG Telecom Limited
4755 1783 394 205 TATA Communications formerly
9829 1528 1221 45 >>UNKNOWN<<
9583 1221 92 507 >>UNKNOWN<<
9498 1169 309 72 BHARTI Airtel Ltd.
7552 1149 1080 13 >>UNKNOWN<<
24560 1085 394 164 >>UNKNOWN<<
4808 1067 2042 312 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 2986 3690 67 BellSouth.net Inc.
18566 2065 382 183 Covad Communications Co.
1785 2001 678 126 >>UNKNOWN<<
22773 2000 2927 124 >>UNKNOWN<<
20115 1670 1623 622 Charter Communications
4323 1617 1134 406 >>UNKNOWN<<
701 1522 11120 802 >>UNKNOWN<<
30036 1350 304 655 >>UNKNOWN<<
7018 1309 11068 831 >>UNKNOWN<<
11492 1224 218 360 >>UNKNOWN<<
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 1552 544 16 >>UNKNOWN<<
34984 1288 241 216 >>UNKNOWN<<
2118 1235 97 13 >>UNKNOWN<<
31148 975 43 22 >>UNKNOWN<<
20940 923 324 727 >>UNKNOWN<<
13188 838 98 81 >>UNKNOWN<<
6830 833 2372 443 >>UNKNOWN<<
8551 823 370 45 Bezeqint Internet Backbone
12479 685 793 56 >>UNKNOWN<<
34744 625 168 80 S.C. GVM SISTEM 2003 S.R.L.
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 2951 1591 110 >>UNKNOWN<<
10620 2630 419 228 >>UNKNOWN<<
7303 1729 1155 219 >>UNKNOWN<<
8151 1260 2754 383 >>UNKNOWN<<
18881 1247 844 20 >>UNKNOWN<<
6503 817 434 65 Axtel, S.A.B. de C.V.
27947 807 95 92 Telconet S.A
3816 721 307 87 >>UNKNOWN<<
7738 698 1370 35 >>UNKNOWN<<
11172 624 105 67 >>UNKNOWN<<
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 1815 112 5 MOBITEL
24863 881 274 30 >>UNKNOWN<<
6713 542 617 25 Itissalat Al-MAGHRIB
8452 438 956 9 >>UNKNOWN<<
24835 345 80 8 >>UNKNOWN<<
3741 259 922 218 >>UNKNOWN<<
15706 221 32 6 >>UNKNOWN<<
29571 220 17 12 >>UNKNOWN<<
37054 211 11 5 Data Telecom Service
36992 206 527 22 >>UNKNOWN<<
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
6389 2986 3690 67 BellSouth.net Inc.
28573 2951 1591 110 >>UNKNOWN<<
10620 2630 419 228 >>UNKNOWN<<
17974 2619 871 92 >>UNKNOWN<<
4766 2111 11553 621 Korea Telecom
18566 2065 382 183 Covad Communications Co.
7545 2027 320 109 TPG Telecom Limited
1785 2001 678 126 >>UNKNOWN<<
22773 2000 2927 124 >>UNKNOWN<<
36998 1815 112 5 MOBITEL
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2951 2841 >>UNKNOWN<<
17974 2619 2527 >>UNKNOWN<<
10620 2630 2402 >>UNKNOWN<<
7545 2027 1918 TPG Telecom Limited
18566 2065 1882 Covad Communications Co.
22773 2000 1876 >>UNKNOWN<<
1785 2001 1875 >>UNKNOWN<<
36998 1815 1810 MOBITEL
4755 1783 1578 TATA Communications formerly
8402 1552 1536 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
9605 UNALLOCATED 1.66.0.0/15 2914 NTT America, Inc.
9605 UNALLOCATED 1.72.0.0/13 2914 NTT America, Inc.
9605 UNALLOCATED 1.75.16.0/20 2914 NTT America, Inc.
9605 UNALLOCATED 1.75.152.0/21 2914 NTT America, Inc.
9605 UNALLOCATED 1.78.64.0/18 2497 >>UNKNOWN<<
9605 UNALLOCATED 1.79.2.0/24 2914 NTT America, Inc.
9605 UNALLOCATED 1.79.32.0/21 2914 NTT America, Inc.
9605 UNALLOCATED 1.79.66.0/23 2914 NTT America, Inc.
9605 UNALLOCATED 1.79.68.0/22 2914 NTT America, Inc.
9605 UNALLOCATED 1.79.72.0/21 2914 NTT America, Inc.
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 Internet Assigned Numbers Aut
128.0.0.0/24 2876 >>UNKNOWN<<
128.0.16.0/21 43568 Romerike Bredband AS
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.40.0/24 60449 >>UNKNOWN<<
128.0.42.0/24 60619 >>UNKNOWN<<
128.0.43.0/24 60619 >>UNKNOWN<<
128.0.45.0/24 60657 >>UNKNOWN<<
128.0.46.0/23 39743 Voxility S.R.L.
128.0.53.0/24 60993 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
62.61.220.0/24 24974 >>UNKNOWN<<
62.61.221.0/24 24974 >>UNKNOWN<<
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
64.185.230.0/24 27431 JTL Networks Inc.
64.185.231.0/24 27431 JTL Networks Inc.
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 /9:11 /10:31 /11:92 /12:251
/13:476 /14:903 /15:1605 /16:12680 /17:6643 /18:11011
/19:22467 /20:32109 /21:34552 /22:48196 /23:42146 /24:240602
/25:8 /26:11 /27:11 /28:133 /29:200 /30:114
/31:0 /32:133
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications Co.
36998 1780 1815 MOBITEL
6389 1716 2986 BellSouth.net Inc.
22773 1302 2000 >>UNKNOWN<<
8402 1263 1552 >>UNKNOWN<<
30036 1216 1350 >>UNKNOWN<<
11492 1185 1224 >>UNKNOWN<<
1785 1070 2001 >>UNKNOWN<<
6983 1020 1146 ITC^Deltacom
10620 978 2630 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:815 2:706 3:3 4:16 5:844 6:17
8:563 12:1914 13:2 14:840 15:11 16:3
17:10 20:17 23:296 24:1762 27:1501 31:1326
32:40 33:2 34:5 36:60 37:1849 38:886
39:2 40:175 41:3319 42:229 44:7 46:1932
47:3 49:672 50:765 52:12 54:34 55:7
57:29 58:1083 59:608 60:325 61:1482 62:1130
63:2010 64:4347 65:2148 66:4182 67:2017 68:1095
69:3270 70:797 71:488 72:1915 74:2503 75:323
76:306 77:1088 78:1029 79:615 80:1298 81:1013
82:642 83:581 84:580 85:1203 86:467 87:1027
88:544 89:1812 90:150 91:5540 92:622 93:1753
94:1928 95:1647 96:520 97:343 98:1027 99:40
100:29 101:345 103:3013 105:521 106:139 107:208
108:501 109:1859 110:933 111:1033 112:561 113:797
114:684 115:1048 116:940 117:817 118:1120 119:1265
120:368 121:849 122:1761 123:1230 124:1338 125:1387
128:591 129:202 130:294 131:657 132:348 133:160
134:259 135:72 136:238 137:238 138:342 139:188
140:181 141:316 142:518 143:378 144:508 145:98
146:530 147:401 148:653 149:349 150:147 151:553
152:413 153:189 154:28 155:417 156:263 157:346
158:278 159:656 160:348 161:422 162:496 163:206
164:579 165:501 166:253 167:595 168:1022 169:127
170:1064 171:184 172:23 173:1602 174:551 175:484
176:1122 177:2155 178:1864 179:67 180:1479 181:536
182:1261 183:418 184:663 185:672 186:2300 187:1372
188:1884 189:1292 190:6515 192:6873 193:5705 194:4713
195:3591 196:1343 197:1000 198:4498 199:5323 200:5989
201:2189 202:8681 203:8806 204:4437 205:2577 206:2739
207:2784 208:3998 209:3559 210:2826 211:1516 212:2266
213:2017 214:921 215:99 216:5221 217:1605 218:612
219:326 220:1280 221:556 222:319 223:447
End of report