Routing Table Report 05:00 +10GMT Sun 31 May, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/au/
Analysis Summary
----------------
BGP routing table entries examined: 536848
Prefixes after maximum aggregation (per Origin AS): 205759
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 266307
Total ASes present in the Internet Routing Table: 50320
Prefixes per ASN: 10.67
Origin-only ASes present in the Internet Routing Table: 36771
Origin ASes announcing only one prefix: 16304
Transit ASes present in the Internet Routing Table: 6094
Transit-only ASes present in the Internet Routing Table: 154
Average AS path length visible in the Internet Routing Table: 4.9
Max AS path length visible: 55
Max AS path prepend of ASN ( 55944) 51
Prefixes from unregistered ASNs in the Routing Table: 1136
Unregistered ASNs in the Routing Table: 453
Number of 32-bit ASNs allocated by the RIRs: 9661
Number of 32-bit ASNs visible in the Routing Table: 7455
Prefixes from 32-bit ASNs in the Routing Table: 27299
Number of bogon 32-bit ASNs visible in the Routing Table: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 349
Number of addresses announced to Internet: 2759548220
Equivalent to 164 /8s, 123 /16s and 93 /24s
Percentage of available address space announced: 74.5
Percentage of allocated address space announced: 74.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.4
Total number of prefixes smaller than registry allocations: 179977
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 129851
Total APNIC prefixes after maximum aggregation: 37930
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 136409
Unique aggregates announced from the APNIC address blocks: 57173
APNIC Region origin ASes present in the Internet Routing Table: 5013
APNIC Prefixes per ASN: 27.21
APNIC Region origin ASes announcing only one prefix: 1208
APNIC Region transit ASes present in the Internet Routing Table: 843
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 55
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1458
Number of APNIC addresses announced to Internet: 749038524
Equivalent to 44 /8s, 165 /16s and 107 /24s
Percentage of available APNIC address space announced: 87.5
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 131072-135580
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: 176109
Total ARIN prefixes after maximum aggregation: 87557
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 178951
Unique aggregates announced from the ARIN address blocks: 84856
ARIN Region origin ASes present in the Internet Routing Table: 16568
ARIN Prefixes per ASN: 10.80
ARIN Region origin ASes announcing only one prefix: 6124
ARIN Region transit ASes present in the Internet Routing Table: 1667
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 460
Number of ARIN addresses announced to Internet: 1081343104
Equivalent to 64 /8s, 115 /16s and 252 /24s
Percentage of available ARIN address space announced: 57.2
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, 64198-64296, 393216-395164
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: 132058
Total RIPE prefixes after maximum aggregation: 65884
RIPE Deaggregation factor: 2.00
Prefixes being announced from the RIPE address blocks: 138434
Unique aggregates announced from the RIPE address blocks: 86072
RIPE Region origin ASes present in the Internet Routing Table: 17937
RIPE Prefixes per ASN: 7.72
RIPE Region origin ASes announcing only one prefix: 8143
RIPE Region transit ASes present in the Internet Routing Table: 2877
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3730
Number of RIPE addresses announced to Internet: 694850304
Equivalent to 41 /8s, 106 /16s and 147 /24s
Percentage of available RIPE address space announced: 101.0
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: 59371
Total LACNIC prefixes after maximum aggregation: 11292
LACNIC Deaggregation factor: 5.26
Prefixes being announced from the LACNIC address blocks: 69435
Unique aggregates announced from the LACNIC address blocks: 32716
LACNIC Region origin ASes present in the Internet Routing Table: 2436
LACNIC Prefixes per ASN: 28.50
LACNIC Region origin ASes announcing only one prefix: 634
LACNIC Region transit ASes present in the Internet Routing Table: 483
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 22
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1693
Number of LACNIC addresses announced to Internet: 168305664
Equivalent to 10 /8s, 8 /16s and 36 /24s
Percentage of available LACNIC address space announced: 100.3
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-265628 + 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: 11967
Total AfriNIC prefixes after maximum aggregation: 3053
AfriNIC Deaggregation factor: 3.92
Prefixes being announced from the AfriNIC address blocks: 13270
Unique aggregates announced from the AfriNIC address blocks: 5174
AfriNIC Region origin ASes present in the Internet Routing Table: 728
AfriNIC Prefixes per ASN: 18.23
AfriNIC Region origin ASes announcing only one prefix: 195
AfriNIC Region transit ASes present in the Internet Routing Table: 154
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 114
Number of AfriNIC addresses announced to Internet: 65702144
Equivalent to 3 /8s, 234 /16s and 137 /24s
Percentage of available AfriNIC address space announced: 65.3
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 2690 904 81 PT Telekomunikasi Indonesia
7545 2641 336 129 TPG Telecom Limited
4766 2192 11549 618 Korea Telecom
4755 2025 423 219 TATA Communications formerly
9829 1671 1332 62 National Internet Backbone
9808 1636 8639 17 Guangdong Mobile Communicatio
9583 1450 120 589 Sify Limited
9498 1330 335 100 BHARTI Airtel Ltd.
24560 1239 416 184 Bharti Airtel Ltd., Telemedia
17488 1212 213 268 Hathway IP Over Cable Interne
Complete listing at http://thyme.rand.apnic.net/au/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
22773 3048 2959 142 Cox Communications Inc.
6389 2782 3688 51 BellSouth.net Inc.
18566 2047 379 189 MegaPath Corporation
20115 1881 1849 423 Charter Communications
6983 1748 866 244 EarthLink, Inc.
4323 1616 1054 411 tw telecom holdings, inc.
30036 1532 312 499 Mediacom Communications Corp
701 1382 11322 673 MCI Communications Services,
22561 1360 414 250 CenturyTel Internet Holdings,
7018 1200 19052 843 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/au/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
39891 2473 132 7 SaudiNet, Saudi Telecom Compa
34984 2028 305 356 TELLCOM ILETISIM HIZMETLERI A
20940 1915 753 1402 Akamai International B.V.
6849 1213 356 24 JSC "Ukrtelecom"
8402 1064 544 15 OJSC "Vimpelcom"
31148 1049 45 23 Freenet Ltd.
13188 1040 97 70 TOV "Bank-Inform"
12479 944 868 72 France Telecom Espana SA
6830 907 2693 467 Liberty Global Operations B.V
8551 874 376 52 Bezeq International-Ltd
Complete listing at http://thyme.rand.apnic.net/au/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 3237 530 203 Telmex Colombia S.A.
28573 2280 2181 117 NET Serviços de Comunicação S
7303 1667 1046 239 Telecom Argentina S.A.
8151 1659 3257 461 Uninet S.A. de C.V.
6147 1632 374 30 Telefonica del Peru S.A.A.
6503 1246 437 57 Axtel, S.A.B. de C.V.
26615 1074 2325 35 Tim Celular S.A.
7738 996 1882 41 Telemar Norte Leste S.A.
3816 933 424 154 COLOMBIA TELECOMUNICACIONES S
18881 869 1036 22 Global Village Telecom
Complete listing at http://thyme.rand.apnic.net/au/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 895 280 37 Link Egypt (Link.NET)
8452 842 958 13 TE-AS
36903 504 254 98 Office National des Postes et
36992 423 1229 32 ETISALAT MISR
37492 312 175 71 Orange Tunisie
24835 304 146 13 Vodafone Data
3741 250 857 208 Internet Solutions
29571 242 21 12 Cote d'Ivoire Telecom
37054 199 19 6 Data Telecom Service
36947 190 807 13 Telecom Algeria
Complete listing at http://thyme.rand.apnic.net/au/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 3237 530 203 Telmex Colombia S.A.
22773 3048 2959 142 Cox Communications Inc.
6389 2782 3688 51 BellSouth.net Inc.
17974 2690 904 81 PT Telekomunikasi Indonesia
7545 2641 336 129 TPG Telecom Limited
39891 2473 132 7 SaudiNet, Saudi Telecom Compa
28573 2280 2181 117 NET Serviços de Comunicação S
4766 2192 11549 618 Korea Telecom
18566 2047 379 189 MegaPath Corporation
34984 2028 305 356 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/au/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
22773 3048 2906 Cox Communications Inc.
6389 2782 2731 BellSouth.net Inc.
17974 2690 2609 PT Telekomunikasi Indonesia
7545 2641 2512 TPG Telecom Limited
39891 2473 2466 SaudiNet, Saudi Telecom Compa
28573 2280 2163 NET Serviços de Comunicação S
18566 2047 1858 MegaPath Corporation
4755 2025 1806 TATA Communications formerly
34984 2028 1672 TELLCOM ILETISIM HIZMETLERI A
9808 1636 1619 Guangdong Mobile Communicatio
Complete listing at http://thyme.rand.apnic.net/au/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
46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw
46473 UNALLOCATED 8.27.122.0/24 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.124.0/24 3356 Level 3 Communicatio
27205 UNALLOCATED 8.38.16.0/21 3356 Level 3 Communicatio
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
33628 UNALLOCATED 12.0.239.0/24 1239 Sprint
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
17033 UNALLOCATED 12.3.33.0/24 1239 Sprint
Complete listing at http://thyme.rand.apnic.net/au/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.100.241.0/24 23456 32bit Transition AS
23.226.112.0/20 62788 >>UNKNOWN<<
27.100.7.0/24 56096 >>UNKNOWN<<
31.217.248.0/21 44902 COVAGE NETWORKS SASU
41.73.1.0/24 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<<
41.73.15.0/24 37004 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/au/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 /10:33 /11:94 /12:264
/13:505 /14:1008 /15:1724 /16:12933 /17:7203 /18:12130
/19:25165 /20:35514 /21:37968 /22:59722 /23:50822 /24:291473
/25:60 /26:32 /27:53 /28:34 /29:31 /30:49
/31:2 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2473 SaudiNet, Saudi Telecom Compa
22773 2255 3048 Cox Communications Inc.
18566 1999 2047 MegaPath Corporation
6389 1634 2782 BellSouth.net Inc.
6983 1396 1748 EarthLink, Inc.
30036 1368 1532 Mediacom Communications Corp
34984 1322 2028 TELLCOM ILETISIM HIZMETLERI A
6147 1183 1632 Telefonica del Peru S.A.A.
10620 1136 3237 Telmex Colombia S.A.
11492 1111 1192 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/au/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1461 2:669 4:18 5:1820 6:23 8:816
11:1 12:1830 13:10 14:1343 15:17 16:2
17:43 18:22 20:48 23:1233 24:1708 27:1914
31:1597 32:38 33:2 34:4 35:3 36:111
37:1920 38:1026 39:6 40:251 41:2667 42:277
43:1278 44:22 45:651 46:2196 47:42 49:876
50:804 52:12 54:76 55:5 56:8 57:39
58:1274 59:691 60:478 61:1722 62:1315 63:1899
64:4400 65:2268 66:4063 67:2055 68:1061 69:3267
70:980 71:448 72:1979 74:2643 75:335 76:425
77:1390 78:1218 79:806 80:1333 81:1300 82:812
83:699 84:707 85:1402 86:392 87:1040 88:520
89:1845 90:152 91:5971 92:853 93:2219 94:2073
95:2157 96:430 97:353 98:1051 99:49 100:68
101:821 103:7439 104:1786 105:62 106:225 107:978
108:625 109:2054 110:1105 111:1486 112:804 113:1067
114:836 115:1304 116:1338 117:1054 118:1735 119:1419
120:460 121:1065 122:2072 123:1839 124:1459 125:1586
128:604 129:375 130:385 131:1184 132:425 133:178
134:400 135:108 136:327 137:307 138:774 139:200
140:211 141:447 142:651 143:501 144:570 145:116
146:713 147:582 148:1201 149:407 150:559 151:606
152:483 153:244 154:482 155:861 156:403 157:463
158:337 159:918 160:381 161:659 162:1940 163:404
164:652 165:688 166:308 167:834 168:1301 169:170
170:1460 171:238 172:68 173:1523 174:715 175:689
176:1305 177:3715 178:2142 179:919 180:1941 181:1681
182:1741 183:653 184:755 185:3567 186:2661 187:1745
188:2040 189:1580 190:7695 191:987 192:8297 193:5591
194:4134 195:3633 196:1469 197:961 198:5450 199:5490
200:6643 201:3067 202:9057 203:9149 204:4605 205:2783
206:2967 207:2884 208:3965 209:3914 210:3218 211:1768
212:2521 213:2308 214:854 215:73 216:5716 217:1811
218:665 219:327 220:1465 221:774 222:382 223:702
End of report