Routing Table Report 09:00 +10GMT Sat 30 May, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 533125
Prefixes after maximum aggregation (per Origin AS): 205547
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 265761
Total ASes present in the Internet Routing Table: 50269
Prefixes per ASN: 10.61
Origin-only ASes present in the Internet Routing Table: 36684
Origin ASes announcing only one prefix: 16275
Transit ASes present in the Internet Routing Table: 6134
Transit-only ASes present in the Internet Routing Table: 150
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 64
Max AS path prepend of ASN ( 55944) 61
Prefixes from unregistered ASNs in the Routing Table: 1011
Unregistered ASNs in the Routing Table: 387
Number of 32-bit ASNs allocated by the RIRs: 9645
Number of 32-bit ASNs visible in the Routing Table: 7451
Prefixes from 32-bit ASNs in the Routing Table: 27137
Number of bogon 32-bit ASNs visible in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 353
Number of addresses announced to Internet: 2757687360
Equivalent to 164 /8s, 94 /16s and 248 /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: 179253
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 127567
Total APNIC prefixes after maximum aggregation: 37873
APNIC Deaggregation factor: 3.37
Prefixes being announced from the APNIC address blocks: 133858
Unique aggregates announced from the APNIC address blocks: 57089
APNIC Region origin ASes present in the Internet Routing Table: 5013
APNIC Prefixes per ASN: 26.70
APNIC Region origin ASes announcing only one prefix: 1216
APNIC Region transit ASes present in the Internet Routing Table: 842
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 64
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1453
Number of APNIC addresses announced to Internet: 747775232
Equivalent to 44 /8s, 146 /16s and 37 /24s
Percentage of available APNIC address space announced: 87.4
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 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: 175355
Total ARIN prefixes after maximum aggregation: 87465
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 178241
Unique aggregates announced from the ARIN address blocks: 84726
ARIN Region origin ASes present in the Internet Routing Table: 16540
ARIN Prefixes per ASN: 10.78
ARIN Region origin ASes announcing only one prefix: 6105
ARIN Region transit ASes present in the Internet Routing Table: 1645
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 458
Number of ARIN addresses announced to Internet: 1080812544
Equivalent to 64 /8s, 107 /16s and 228 /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: 131611
Total RIPE prefixes after maximum aggregation: 65856
RIPE Deaggregation factor: 2.00
Prefixes being announced from the RIPE address blocks: 137888
Unique aggregates announced from the RIPE address blocks: 85850
RIPE Region origin ASes present in the Internet Routing Table: 17923
RIPE Prefixes per ASN: 7.69
RIPE Region origin ASes announcing only one prefix: 8131
RIPE Region transit ASes present in the Internet Routing Table: 2935
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3728
Number of RIPE addresses announced to Internet: 694701632
Equivalent to 41 /8s, 104 /16s and 78 /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: 59419
Total LACNIC prefixes after maximum aggregation: 11251
LACNIC Deaggregation factor: 5.28
Prefixes being announced from the LACNIC address blocks: 69501
Unique aggregates announced from the LACNIC address blocks: 32595
LACNIC Region origin ASes present in the Internet Routing Table: 2434
LACNIC Prefixes per ASN: 28.55
LACNIC Region origin ASes announcing only one prefix: 627
LACNIC Region transit ASes present in the Internet Routing Table: 481
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1697
Number of LACNIC addresses announced to Internet: 168349952
Equivalent to 10 /8s, 8 /16s and 209 /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: 11973
Total AfriNIC prefixes after maximum aggregation: 3059
AfriNIC Deaggregation factor: 3.91
Prefixes being announced from the AfriNIC address blocks: 13284
Unique aggregates announced from the AfriNIC address blocks: 5181
AfriNIC Region origin ASes present in the Internet Routing Table: 729
AfriNIC Prefixes per ASN: 18.22
AfriNIC Region origin ASes announcing only one prefix: 196
AfriNIC Region transit ASes present in the Internet Routing Table: 158
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 115
Number of AfriNIC addresses announced to Internet: 65736448
Equivalent to 3 /8s, 235 /16s and 15 /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 2408 336 130 TPG Telecom Limited
4766 2192 11549 618 Korea Telecom
4755 2010 423 216 TATA Communications formerly
9829 1672 1332 62 National Internet Backbone
9808 1637 8639 18 Guangdong Mobile Communicatio
9583 1422 116 572 Sify Limited
9498 1329 335 101 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/us/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
22773 3047 2958 142 Cox Communications Inc.
6389 2781 3688 51 BellSouth.net Inc.
18566 2047 379 189 MegaPath Corporation
20115 1878 1849 423 Charter Communications
6983 1748 866 244 EarthLink, Inc.
4323 1615 1054 410 tw telecom holdings, inc.
30036 1545 315 476 Mediacom Communications Corp
701 1370 11320 662 MCI Communications Services,
22561 1361 414 250 CenturyTel Internet Holdings,
7018 1207 19070 851 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/us/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 1918 752 1407 Akamai International B.V.
6849 1213 356 24 JSC "Ukrtelecom"
8402 1063 544 15 OJSC "Vimpelcom"
13188 1056 97 70 TOV "Bank-Inform"
31148 1049 45 23 Freenet Ltd.
12479 944 868 72 France Telecom Espana SA
6830 907 2693 467 Liberty Global Operations B.V
9198 854 349 25 JSC Kazakhtelecom
Complete listing at http://thyme.rand.apnic.net/us/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 2279 2181 117 NET Serviços de Comunicação S
7303 1667 1046 239 Telecom Argentina S.A.
8151 1660 3255 465 Uninet S.A. de C.V.
6147 1632 374 30 Telefonica del Peru S.A.A.
6503 1247 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 932 424 162 COLOMBIA TELECOMUNICACIONES S
18881 869 1036 22 Global Village Telecom
Complete listing at http://thyme.rand.apnic.net/us/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 843 958 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/us/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 3047 2958 142 Cox Communications Inc.
6389 2781 3688 51 BellSouth.net Inc.
17974 2690 904 81 PT Telekomunikasi Indonesia
39891 2473 132 7 SaudiNet, Saudi Telecom Compa
7545 2408 336 130 TPG Telecom Limited
28573 2279 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/us/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
22773 3047 2905 Cox Communications Inc.
6389 2781 2730 BellSouth.net Inc.
17974 2690 2609 PT Telekomunikasi Indonesia
39891 2473 2466 SaudiNet, Saudi Telecom Compa
7545 2408 2278 TPG Telecom Limited
28573 2279 2162 NET Serviços de Comunicação S
18566 2047 1858 MegaPath Corporation
4755 2010 1794 TATA Communications formerly
34984 2028 1672 TELLCOM ILETISIM HIZMETLERI A
9808 1637 1619 Guangdong Mobile Communicatio
Complete listing at http://thyme.rand.apnic.net/us/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 12180 Internap Network Ser
46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser
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 7018 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/us/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/us/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 /12:263
/13:502 /14:995 /15:1707 /16:12878 /17:7128 /18:11996
/19:25005 /20:35459 /21:37639 /22:58889 /23:50538 /24:289762
/25:73 /26:57 /27:25 /28:18 /29:16 /30:6
/31:0 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2473 SaudiNet, Saudi Telecom Compa
22773 2255 3047 Cox Communications Inc.
18566 1999 2047 MegaPath Corporation
6389 1633 2781 BellSouth.net Inc.
6983 1396 1748 EarthLink, Inc.
30036 1379 1545 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/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1459 2:671 4:18 5:1788 6:25 8:815
11:1 12:1831 13:10 14:1224 15:17 16:2
17:41 18:22 20:48 23:1221 24:1706 27:1903
31:1593 32:38 33:2 34:4 35:3 36:113
37:1907 38:1026 39:6 40:244 41:2665 42:277
43:1269 44:25 45:652 46:2187 47:42 49:874
50:806 52:12 54:76 55:5 56:8 57:38
58:1245 59:688 60:477 61:1723 62:1315 63:1894
64:4391 65:2237 66:4093 67:2051 68:1057 69:3217
70:978 71:441 72:1962 74:2632 75:332 76:413
77:1375 78:1214 79:794 80:1331 81:1300 82:809
83:698 84:708 85:1401 86:387 87:1034 88:518
89:1810 90:151 91:5960 92:844 93:2203 94:2066
95:2171 96:428 97:354 98:1045 99:49 100:69
101:810 103:7375 104:1778 105:61 106:225 107:978
108:607 109:2031 110:1094 111:1478 112:805 113:1065
114:823 115:1262 116:1334 117:1043 118:1729 119:1411
120:426 121:1051 122:1993 123:1792 124:1456 125:1561
128:601 129:369 130:384 131:1179 132:439 133:178
134:399 135:107 136:328 137:304 138:779 139:146
140:211 141:435 142:650 143:501 144:571 145:116
146:713 147:571 148:1086 149:407 150:562 151:605
152:483 153:244 154:489 155:862 156:403 157:463
158:339 159:914 160:381 161:655 162:1909 163:402
164:653 165:688 166:296 167:834 168:1291 169:170
170:1466 171:236 172:68 173:1539 174:714 175:680
176:1298 177:3741 178:2130 179:924 180:1885 181:1671
182:1717 183:652 184:756 185:3536 186:2657 187:1756
188:2013 189:1584 190:7667 191:1001 192:8287 193:5585
194:4138 195:3629 196:1469 197:963 198:5426 199:5490
200:6642 201:3103 202:8948 203:9047 204:4602 205:2772
206:2947 207:2866 208:3960 209:3892 210:3177 211:1766
212:2501 213:2309 214:858 215:73 216:5706 217:1808
218:651 219:326 220:1425 221:772 222:391 223:698
End of report