Routing Table Report 08:00 +10GMT Sat 27 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 454798
Prefixes after maximum aggregation: 184737
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 228353
Total ASes present in the Internet Routing Table: 40648
Prefixes per ASN: 11.19
Origin-only ASes present in the Internet Routing Table: 34900
Origin ASes announcing only one prefix: 16230
Transit ASes present in the Internet Routing Table: 5741
Transit-only ASes present in the Internet Routing Table: 133
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: 305855
Unregistered ASNs in the Routing Table: 25082
Number of 32-bit ASNs allocated by the RIRs: 4901
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 11395
Special use prefixes present in the Routing Table: 35
Prefixes being announced from unallocated address space: 268
Number of addresses announced to Internet: 2652211200
Equivalent to 158 /8s, 21 /16s and 136 /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: 94.8
Total number of prefixes smaller than registry allocations: 158047
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105471
Total APNIC prefixes after maximum aggregation: 32509
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 107795
Unique aggregates announced from the APNIC address blocks: 45935
APNIC Region origin ASes present in the Internet Routing Table: 4815
APNIC Prefixes per ASN: 22.39
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 803
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 725086208
Equivalent to 43 /8s, 55 /16s and 240 /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: 158336
Total ARIN prefixes after maximum aggregation: 79992
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158978
Unique aggregates announced from the ARIN address blocks: 74036
ARIN Region origin ASes present in the Internet Routing Table: 15742
ARIN Prefixes per ASN: 10.10
ARIN Region origin ASes announcing only one prefix: 5999
ARIN Region transit ASes present in the Internet Routing Table: 1589
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: 1068074496
Equivalent to 63 /8s, 169 /16s and 134 /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: 118346
Total RIPE prefixes after maximum aggregation: 60296
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 122178
Unique aggregates announced from the RIPE address blocks: 78743
RIPE Region origin ASes present in the Internet Routing Table: 17300
RIPE Prefixes per ASN: 7.06
RIPE Region origin ASes announcing only one prefix: 8221
RIPE Region transit ASes present in the Internet Routing Table: 2794
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: 656151296
Equivalent to 39 /8s, 28 /16s and 19 /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: 48736
Total LACNIC prefixes after maximum aggregation: 9362
LACNIC Deaggregation factor: 5.21
Prefixes being announced from the LACNIC address blocks: 53214
Unique aggregates announced from the LACNIC address blocks: 25460
LACNIC Region origin ASes present in the Internet Routing Table: 1978
LACNIC Prefixes per ASN: 26.90
LACNIC Region origin ASes announcing only one prefix: 579
LACNIC Region transit ASes present in the Internet Routing Table: 355
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2
Number of LACNIC addresses announced to Internet: 133741824
Equivalent to 7 /8s, 248 /16s and 189 /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: 11772
Total AfriNIC prefixes after maximum aggregation: 2537
AfriNIC Deaggregation factor: 4.64
Prefixes being announced from the AfriNIC address blocks: 12364
Unique aggregates announced from the AfriNIC address blocks: 3927
AfriNIC Region origin ASes present in the Internet Routing Table: 645
AfriNIC Prefixes per ASN: 19.17
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 130
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: 46544640
Equivalent to 2 /8s, 198 /16s and 55 /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 2618 871 92 >>UNKNOWN<<
4766 2102 11553 620 Korea Telecom
7545 2028 320 110 TPG Telecom Limited
4755 1786 394 206 TATA Communications formerly
9829 1537 1221 45 >>UNKNOWN<<
9583 1222 92 508 >>UNKNOWN<<
9498 1171 309 72 BHARTI Airtel Ltd.
7552 1130 1080 13 >>UNKNOWN<<
24560 1086 394 164 >>UNKNOWN<<
4808 1070 2043 316 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 2982 3690 65 BellSouth.net Inc.
18566 2065 382 183 Covad Communications Co.
1785 2007 678 127 >>UNKNOWN<<
22773 2001 2927 124 >>UNKNOWN<<
20115 1670 1623 622 Charter Communications
4323 1617 1134 406 >>UNKNOWN<<
701 1523 11120 802 >>UNKNOWN<<
30036 1340 302 662 >>UNKNOWN<<
7018 1315 11069 831 >>UNKNOWN<<
11492 1221 218 363 >>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 1536 544 16 >>UNKNOWN<<
34984 1288 241 216 >>UNKNOWN<<
2118 1235 97 13 >>UNKNOWN<<
31148 976 43 22 >>UNKNOWN<<
20940 931 327 734 >>UNKNOWN<<
13188 838 98 81 >>UNKNOWN<<
6830 833 2372 443 >>UNKNOWN<<
8551 826 370 45 Bezeqint Internet Backbone
12479 685 793 56 >>UNKNOWN<<
34744 602 159 114 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 2957 1591 110 >>UNKNOWN<<
10620 2639 420 226 >>UNKNOWN<<
7303 1730 1155 220 >>UNKNOWN<<
8151 1260 2748 384 >>UNKNOWN<<
18881 1247 844 20 >>UNKNOWN<<
6503 817 434 65 Axtel, S.A.B. de C.V.
27947 808 95 93 Telconet S.A
3816 725 307 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 437 956 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 2982 3690 65 BellSouth.net Inc.
28573 2957 1591 110 >>UNKNOWN<<
10620 2639 420 226 >>UNKNOWN<<
17974 2618 871 92 >>UNKNOWN<<
4766 2102 11553 620 Korea Telecom
18566 2065 382 183 Covad Communications Co.
7545 2028 320 110 TPG Telecom Limited
1785 2007 678 127 >>UNKNOWN<<
22773 2001 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 2957 2847 >>UNKNOWN<<
17974 2618 2526 >>UNKNOWN<<
10620 2639 2413 >>UNKNOWN<<
7545 2028 1918 TPG Telecom Limited
18566 2065 1882 Covad Communications Co.
1785 2007 1880 >>UNKNOWN<<
22773 2001 1877 >>UNKNOWN<<
36998 1815 1810 MOBITEL
4755 1786 1580 TATA Communications formerly
8402 1536 1520 >>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
17429 UNALLOCATED 1.88.0.0/17 4847 China Networks Inter
17429 UNALLOCATED 1.88.128.0/17 4847 China Networks Inter
17429 UNALLOCATED 1.89.0.0/17 4847 China Networks Inter
17429 UNALLOCATED 1.89.128.0/17 4847 China Networks Inter
17429 UNALLOCATED 1.90.0.0/17 4847 China Networks Inter
17429 UNALLOCATED 1.90.128.0/17 4847 China Networks Inter
17429 UNALLOCATED 1.91.0.0/17 4847 China Networks Inter
17429 UNALLOCATED 1.91.128.0/17 4847 China Networks Inter
37903 UNALLOCATED 1.112.0.0/15 9609 >>UNKNOWN<<
37903 UNALLOCATED 1.112.0.0/14 9609 >>UNKNOWN<<
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 /12:252
/13:476 /14:903 /15:1602 /16:12701 /17:6652 /18:11014
/19:22491 /20:32146 /21:34554 /22:48022 /23:42187 /24:241028
/25:8 /26:11 /27:11 /28:138 /29:200 /30:115
/31:0 /32:136
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications Co.
36998 1780 1815 MOBITEL
6389 1714 2982 BellSouth.net Inc.
22773 1303 2001 >>UNKNOWN<<
8402 1232 1536 >>UNKNOWN<<
30036 1204 1340 >>UNKNOWN<<
11492 1182 1221 >>UNKNOWN<<
1785 1074 2007 >>UNKNOWN<<
6983 1020 1146 ITC^Deltacom
10620 984 2639 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:819 2:705 3:3 4:16 5:845 6:17
8:564 12:1911 13:2 14:840 15:11 16:3
17:10 20:17 23:296 24:1765 27:1498 31:1323
32:40 33:2 34:5 36:60 37:1849 38:885
39:2 40:175 41:3362 42:229 44:7 46:1937
47:3 49:673 50:794 52:12 54:35 55:8
57:29 58:1079 59:607 60:328 61:1483 62:1171
63:2004 64:4346 65:2143 66:4185 67:2022 68:1095
69:3273 70:799 71:488 72:1917 74:2500 75:324
76:305 77:1087 78:1013 79:616 80:1285 81:1013
82:642 83:584 84:581 85:1205 86:468 87:1029
88:543 89:1804 90:150 91:5540 92:623 93:1745
94:1924 95:1614 96:590 97:344 98:1026 99:40
100:29 101:346 103:3028 105:522 106:140 107:208
108:502 109:1847 110:933 111:1068 112:564 113:813
114:683 115:1049 116:939 117:799 118:1113 119:1256
120:359 121:849 122:1760 123:1239 124:1340 125:1389
128:607 129:202 130:295 131:660 132:354 133:160
134:259 135:72 136:238 137:238 138:343 139:187
140:181 141:316 142:515 143:380 144:507 145:98
146:522 147:391 148:651 149:349 150:147 151:553
152:408 153:189 154:28 155:411 156:265 157:346
158:278 159:657 160:349 161:425 162:503 163:205
164:577 165:501 166:252 167:597 168:1024 169:126
170:1065 171:184 172:23 173:1590 174:557 175:484
176:1119 177:2137 178:1866 179:76 180:1478 181:567
182:1265 183:416 184:664 185:692 186:2320 187:1376
188:1889 189:1296 190:6737 192:6774 193:5705 194:4714
195:3590 196:1356 197:1004 198:4492 199:5326 200:5991
201:2238 202:8670 203:8805 204:4440 205:2571 206:2730
207:2824 208:3995 209:3575 210:2816 211:1517 212:2269
213:2021 214:910 215:99 216:5223 217:1617 218:603
219:326 220:1279 221:552 222:319 223:448
End of report