Routing Table Report 08:00 +10GMT Mon 12 Aug, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 456809
Prefixes after maximum aggregation: 185251
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 228896
Total ASes present in the Internet Routing Table: 40714
Prefixes per ASN: 11.22
Origin-only ASes present in the Internet Routing Table: 34968
Origin ASes announcing only one prefix: 16229
Transit ASes present in the Internet Routing Table: 5739
Transit-only ASes present in the Internet Routing Table: 138
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 294334
Unregistered ASNs in the Routing Table: 24352
Number of 32-bit ASNs allocated by the RIRs: 4943
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 11466
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 279
Number of addresses announced to Internet: 2653821696
Equivalent to 158 /8s, 46 /16s and 27 /24s
Percentage of available address space announced: 71.7
Percentage of allocated address space announced: 71.7
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: 159115
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105744
Total APNIC prefixes after maximum aggregation: 32598
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 108143
Unique aggregates announced from the APNIC address blocks: 46058
APNIC Region origin ASes present in the Internet Routing Table: 4824
APNIC Prefixes per ASN: 22.42
APNIC Region origin ASes announcing only one prefix: 1244
APNIC Region transit ASes present in the Internet Routing Table: 801
Average APNIC Region AS path length visible: 3.9
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: 724554240
Equivalent to 43 /8s, 47 /16s and 210 /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: 158720
Total ARIN prefixes after maximum aggregation: 80302
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 159357
Unique aggregates announced from the ARIN address blocks: 74591
ARIN Region origin ASes present in the Internet Routing Table: 15765
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5998
ARIN Region transit ASes present in the Internet Routing Table: 1597
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: 2
Number of ARIN addresses announced to Internet: 1068871168
Equivalent to 63 /8s, 181 /16s and 174 /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: 118739
Total RIPE prefixes after maximum aggregation: 60354
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 122563
Unique aggregates announced from the RIPE address blocks: 78456
RIPE Region origin ASes present in the Internet Routing Table: 17320
RIPE Prefixes per ASN: 7.08
RIPE Region origin ASes announcing only one prefix: 8221
RIPE Region transit ASes present in the Internet Routing Table: 2781
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 21
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656668416
Equivalent to 39 /8s, 35 /16s and 247 /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: 49730
Total LACNIC prefixes after maximum aggregation: 9428
LACNIC Deaggregation factor: 5.27
Prefixes being announced from the LACNIC address blocks: 54190
Unique aggregates announced from the LACNIC address blocks: 25569
LACNIC Region origin ASes present in the Internet Routing Table: 1986
LACNIC Prefixes per ASN: 27.29
LACNIC Region origin ASes announcing only one prefix: 578
LACNIC Region transit ASes present in the Internet Routing Table: 357
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: 134514688
Equivalent to 8 /8s, 4 /16s and 136 /24s
Percentage of available LACNIC address space announced: 80.2
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: 11674
Total AfriNIC prefixes after maximum aggregation: 2529
AfriNIC Deaggregation factor: 4.62
Prefixes being announced from the AfriNIC address blocks: 12276
Unique aggregates announced from the AfriNIC address blocks: 3960
AfriNIC Region origin ASes present in the Internet Routing Table: 647
AfriNIC Prefixes per ASN: 18.97
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 127
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: 46612736
Equivalent to 2 /8s, 199 /16s and 65 /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
17974 2648 871 92 >>UNKNOWN<<
4766 2115 11553 618 Korea Telecom
7545 2046 320 111 TPG Telecom Limited
4755 1793 401 193 TATA Communications formerly
9829 1537 1221 45 >>UNKNOWN<<
9583 1222 92 507 Sify Limited
9498 1178 309 71 BHARTI Airtel Ltd.
7552 1128 1080 13 >>UNKNOWN<<
24560 1088 394 164 >>UNKNOWN<<
4808 1068 2022 309 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 2980 3689 63 BellSouth.net Inc.
18566 2063 382 183 Covad Communications Co.
1785 2006 679 125 >>UNKNOWN<<
22773 2004 2927 123 >>UNKNOWN<<
20115 1673 1640 621 Charter Communications
4323 1624 1122 409 >>UNKNOWN<<
701 1521 11104 800 >>UNKNOWN<<
30036 1377 310 655 >>UNKNOWN<<
7018 1332 11326 843 >>UNKNOWN<<
11492 1220 218 367 >>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 1624 544 16 >>UNKNOWN<<
34984 1291 241 215 >>UNKNOWN<<
2118 1159 97 13 >>UNKNOWN<<
31148 978 43 17 >>UNKNOWN<<
20940 964 348 744 >>UNKNOWN<<
6830 872 2371 430 >>UNKNOWN<<
13188 843 99 70 >>UNKNOWN<<
8551 817 370 45 Bezeqint Internet Backbone
12479 681 797 53 >>UNKNOWN<<
9198 570 343 21 >>UNKNOWN<<
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 3043 1595 110 >>UNKNOWN<<
10620 2654 422 231 >>UNKNOWN<<
7303 1730 1157 220 >>UNKNOWN<<
18881 1285 844 20 >>UNKNOWN<<
8151 1263 2758 392 >>UNKNOWN<<
11830 946 364 15 >>UNKNOWN<<
6503 814 434 65 Axtel, S.A.B. de C.V.
27947 810 95 92 Telconet S.A
6147 738 374 25 >>UNKNOWN<<
3816 726 303 85 >>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 1861 112 5 MOBITEL
24863 872 274 30 >>UNKNOWN<<
6713 542 617 25 Itissalat Al-MAGHRIB
8452 435 956 9 >>UNKNOWN<<
24835 291 80 8 >>UNKNOWN<<
3741 258 921 217 >>UNKNOWN<<
15706 221 32 6 >>UNKNOWN<<
29571 220 17 12 >>UNKNOWN<<
36992 212 527 23 >>UNKNOWN<<
12258 193 28 71 MWEB-12258
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 3043 1595 110 >>UNKNOWN<<
6389 2980 3689 63 BellSouth.net Inc.
10620 2654 422 231 >>UNKNOWN<<
17974 2648 871 92 >>UNKNOWN<<
4766 2115 11553 618 Korea Telecom
18566 2063 382 183 Covad Communications Co.
7545 2046 320 111 TPG Telecom Limited
1785 2006 679 125 >>UNKNOWN<<
22773 2004 2927 123 >>UNKNOWN<<
36998 1861 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
6389 2980 2917 BellSouth.net Inc.
17974 2648 2556 >>UNKNOWN<<
10620 2654 2423 >>UNKNOWN<<
7545 2046 1935 TPG Telecom Limited
1785 2006 1881 >>UNKNOWN<<
22773 2004 1881 >>UNKNOWN<<
18566 2063 1880 Covad Communications Co.
36998 1861 1856 MOBITEL
8402 1624 1608 >>UNKNOWN<<
4755 1793 1600 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
17443 UNALLOCATED 1.186.192.0/24 9498 BHARTI Airtel Ltd.
17443 UNALLOCATED 1.186.193.0/24 9498 BHARTI Airtel Ltd.
17443 UNALLOCATED 1.186.194.0/24 9498 BHARTI Airtel Ltd.
17443 UNALLOCATED 1.186.195.0/24 9498 BHARTI Airtel Ltd.
45271 UNALLOCATED 1.187.0.0/19 55644 >>UNKNOWN<<
45271 UNALLOCATED 1.187.32.0/19 55644 >>UNKNOWN<<
45271 UNALLOCATED 1.187.64.0/20 4755 TATA Communications
45271 UNALLOCATED 1.187.80.0/20 9498 BHARTI Airtel Ltd.
45271 UNALLOCATED 1.187.96.0/20 17917 >>UNKNOWN<<
45271 UNALLOCATED 1.187.112.0/20 9498 BHARTI Airtel Ltd.
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
100.64.0.0/10 65333 Internet Assigned Numbers Aut
169.254.0.0/16 65333 Internet Assigned Numbers Aut
172.16.0.0/12 65333 Internet Assigned Numbers Aut
192.0.0.0/24 65333 Internet Assigned Numbers Aut
192.0.2.0/24 65333 Internet Assigned Numbers Aut
192.168.0.0/16 0 *
198.18.0.0/15 65333 Internet Assigned Numbers Aut
198.51.100.0/24 65333 Internet Assigned Numbers Aut
203.0.113.0/24 65333 Internet Assigned Numbers Aut
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<<
62.182.96.0/23 15830 >>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.
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
/13:478 /14:902 /15:1603 /16:12698 /17:6645 /18:10978
/19:22516 /20:32264 /21:34676 /22:48330 /23:42376 /24:242323
/25:8 /26:11 /27:11 /28:131 /29:204 /30:121
/31:0 /32:132
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2014 2063 Covad Communications Co.
36998 1826 1861 MOBITEL
6389 1714 2980 BellSouth.net Inc.
8402 1330 1624 >>UNKNOWN<<
22773 1304 2004 >>UNKNOWN<<
30036 1239 1377 >>UNKNOWN<<
11492 1181 1220 >>UNKNOWN<<
1785 1079 2006 >>UNKNOWN<<
6983 1021 1148 ITC^Deltacom
10620 986 2654 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:793 2:746 3:3 4:16 5:909 6:17
8:590 12:1903 13:2 14:845 15:11 16:3
17:10 18:19 20:17 23:301 24:1767 27:1534
31:1360 32:40 33:2 34:5 36:67 37:1804
38:888 39:2 40:180 41:3300 42:240 44:9
46:1961 47:4 49:658 50:804 52:12 54:37
55:5 57:29 58:1088 59:635 60:329 61:1478
62:1182 63:2003 64:4329 65:2154 66:4193 67:2039
68:1089 69:3290 70:798 71:486 72:1915 74:2509
75:325 76:302 77:1101 78:1042 79:614 80:1297
81:1020 82:657 83:585 84:566 85:1213 86:472
87:1040 88:534 89:1816 90:152 91:5523 92:617
93:1656 94:1974 95:1612 96:591 97:346 98:1029
99:40 100:28 101:345 103:3116 105:524 106:139
107:207 108:496 109:1853 110:930 111:1067 112:568
113:793 114:687 115:1056 116:943 117:785 118:1114
119:1269 120:346 121:847 122:1766 123:1242 124:1336
125:1400 128:598 129:201 130:296 131:657 132:338
133:160 134:263 135:72 136:259 137:238 138:344
139:186 140:173 141:307 142:509 143:383 144:528
145:93 146:529 147:405 148:660 149:348 150:155
151:590 152:412 153:191 154:29 155:416 156:270
157:355 158:276 159:644 160:349 161:429 162:558
163:203 164:578 165:521 166:255 167:602 168:1018
169:125 170:1067 171:188 172:23 173:1579 174:561
175:480 176:1156 177:2124 178:1908 179:82 180:1505
181:622 182:1217 183:417 184:648 185:737 186:2338
187:1383 188:1843 189:1274 190:6956 192:6813 193:5622
194:4720 195:3594 196:1333 197:1013 198:4530 199:5343
200:5983 201:2629 202:8683 203:8810 204:4444 205:2576
206:2737 207:2832 208:3996 209:3585 210:2820 211:1525
212:2292 213:2046 214:889 215:101 216:5206 217:1644
218:607 219:324 220:1274 221:551 222:319 223:460
End of report