[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 21 18:11:37 UTC 2014
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG,
CaribNOG and the RIPE Routing Working Group.
Daily listings are sent to bgp-stats at lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
Routing Table Report 04:00 +10GMT Sat 22 Nov, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 517859
Prefixes after maximum aggregation: 200304
Deaggregation factor: 2.59
Unique aggregates announced to Internet: 254592
Total ASes present in the Internet Routing Table: 48629
Prefixes per ASN: 10.65
Origin-only ASes present in the Internet Routing Table: 36296
Origin ASes announcing only one prefix: 16305
Transit ASes present in the Internet Routing Table: 6210
Transit-only ASes present in the Internet Routing Table: 176
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 78
Max AS path prepend of ASN ( 55644) 71
Prefixes from unregistered ASNs in the Routing Table: 1631
Unregistered ASNs in the Routing Table: 439
Number of 32-bit ASNs allocated by the RIRs: 7978
Number of 32-bit ASNs visible in the Routing Table: 6123
Prefixes from 32-bit ASNs in the Routing Table: 21952
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: 391
Number of addresses announced to Internet: 2712292420
Equivalent to 161 /8s, 170 /16s and 76 /24s
Percentage of available address space announced: 73.3
Percentage of allocated address space announced: 73.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.9
Total number of prefixes smaller than registry allocations: 176514
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 127765
Total APNIC prefixes after maximum aggregation: 37043
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 132174
Unique aggregates announced from the APNIC address blocks: 53894
APNIC Region origin ASes present in the Internet Routing Table: 4990
APNIC Prefixes per ASN: 26.49
APNIC Region origin ASes announcing only one prefix: 1200
APNIC Region transit ASes present in the Internet Routing Table: 869
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 78
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1178
Number of APNIC addresses announced to Internet: 737083776
Equivalent to 43 /8s, 239 /16s and 1 /24s
Percentage of available APNIC address space announced: 86.1
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: 171222
Total ARIN prefixes after maximum aggregation: 85507
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 173175
Unique aggregates announced from the ARIN address blocks: 81727
ARIN Region origin ASes present in the Internet Routing Table: 16386
ARIN Prefixes per ASN: 10.57
ARIN Region origin ASes announcing only one prefix: 6073
ARIN Region transit ASes present in the Internet Routing Table: 1702
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 264
Number of ARIN addresses announced to Internet: 1053889472
Equivalent to 62 /8s, 209 /16s and 19 /24s
Percentage of available ARIN address space announced: 55.8
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: 126263
Total RIPE prefixes after maximum aggregation: 63842
RIPE Deaggregation factor: 1.98
Prefixes being announced from the RIPE address blocks: 132022
Unique aggregates announced from the RIPE address blocks: 83090
RIPE Region origin ASes present in the Internet Routing Table: 17812
RIPE Prefixes per ASN: 7.41
RIPE Region origin ASes announcing only one prefix: 8177
RIPE Region transit ASes present in the Internet Routing Table: 2936
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3221
Number of RIPE addresses announced to Internet: 691982468
Equivalent to 41 /8s, 62 /16s and 208 /24s
Percentage of available RIPE address space announced: 100.6
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: 58181
Total LACNIC prefixes after maximum aggregation: 10865
LACNIC Deaggregation factor: 5.35
Prefixes being announced from the LACNIC address blocks: 66917
Unique aggregates announced from the LACNIC address blocks: 30719
LACNIC Region origin ASes present in the Internet Routing Table: 2378
LACNIC Prefixes per ASN: 28.14
LACNIC Region origin ASes announcing only one prefix: 648
LACNIC Region transit ASes present in the Internet Routing Table: 474
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1391
Number of LACNIC addresses announced to Internet: 167915392
Equivalent to 10 /8s, 2 /16s and 47 /24s
Percentage of available LACNIC address space announced: 100.1
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: 12364
Total AfriNIC prefixes after maximum aggregation: 3002
AfriNIC Deaggregation factor: 4.12
Prefixes being announced from the AfriNIC address blocks: 13180
Unique aggregates announced from the AfriNIC address blocks: 4810
AfriNIC Region origin ASes present in the Internet Routing Table: 733
AfriNIC Prefixes per ASN: 17.98
AfriNIC Region origin ASes announcing only one prefix: 207
AfriNIC Region transit ASes present in the Internet Routing Table: 148
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 69
Number of AfriNIC addresses announced to Internet: 60038400
Equivalent to 3 /8s, 148 /16s and 29 /24s
Percentage of available AfriNIC address space announced: 59.6
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
4766 2959 11585 932 Korea Telecom
17974 2846 904 77 PT Telekomunikasi Indonesia
7545 2460 336 127 TPG Telecom Limited
4755 1929 416 191 TATA Communications formerly
9829 1670 1322 37 National Internet Backbone
4538 1550 4190 71 China Education and Research
9808 1485 6655 16 Guangdong Mobile Communicatio
4808 1425 2213 427 CNCGROUP IP network China169
9583 1363 112 562 Sify Limited
9498 1316 334 94 BHARTI Airtel Ltd.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 2894 3688 51 BellSouth.net Inc.
22773 2850 2956 144 Cox Communications Inc.
18566 2044 379 183 MegaPath Corporation
20115 1822 1797 479 Charter Communications
4323 1642 1053 413 tw telecom holdings, inc.
6983 1625 867 251 EarthLink, Inc.
30036 1496 311 605 Mediacom Communications Corp
701 1427 11265 707 MCI Communications Services,
22561 1311 411 244 CenturyTel Internet Holdings,
11492 1214 212 534 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
34984 1896 298 356 TELLCOM ILETISIM HIZMETLERI A
20940 1504 585 1111 Akamai International B.V.
8402 1380 544 15 OJSC "Vimpelcom"
31148 1045 45 21 Freenet Ltd.
13188 1025 100 35 TOV "Bank-Inform"
8551 899 373 44 Bezeq International-Ltd
6849 834 356 26 JSC "Ukrtelecom"
9198 807 346 32 JSC Kazakhtelecom
6830 804 2339 439 Liberty Global Operations B.V
12479 776 788 97 France Telecom Espana SA
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 3035 492 242 Telmex Colombia S.A.
28573 2377 2260 110 NET Serviços de Comunicação S
7303 1766 1171 241 Telecom Argentina S.A.
8151 1474 3019 429 Uninet S.A. de C.V.
6147 1299 374 30 Telefonica del Peru S.A.A.
6503 1228 433 58 Axtel, S.A.B. de C.V.
7738 999 1882 41 Telemar Norte Leste S.A.
26615 914 2325 35 Tim Celular S.A.
3816 906 394 146 COLOMBIA TELECOMUNICACIONES S
27947 887 130 51 Telconet S.A
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1407 958 13 TE-AS
24863 957 280 26 Link Egypt (Link.NET)
36903 388 196 125 Office National des Postes et
36992 359 824 29 ETISALAT MISR
24835 308 144 9 Vodafone Data
37492 289 125 60 Orange Tunisie
3741 249 920 212 Internet Solutions
29571 245 22 17 Cote d'Ivoire Telecom
37054 238 19 6 Data Telecom Service
6713 195 709 34 Office National des Postes et
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 3035 492 242 Telmex Colombia S.A.
4766 2959 11585 932 Korea Telecom
6389 2894 3688 51 BellSouth.net Inc.
22773 2850 2956 144 Cox Communications Inc.
17974 2846 904 77 PT Telekomunikasi Indonesia
7545 2460 336 127 TPG Telecom Limited
28573 2377 2260 110 NET Serviços de Comunicação S
18566 2044 379 183 MegaPath Corporation
4755 1929 416 191 TATA Communications formerly
34984 1896 298 356 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 2894 2843 BellSouth.net Inc.
17974 2846 2769 PT Telekomunikasi Indonesia
22773 2850 2706 Cox Communications Inc.
7545 2460 2333 TPG Telecom Limited
28573 2377 2267 NET Serviços de Comunicação S
4766 2959 2027 Korea Telecom
18566 2044 1861 MegaPath Corporation
4755 1929 1738 TATA Communications formerly
9829 1670 1633 National Internet Backbone
34984 1896 1540 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/current/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
20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio
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 6461 Abovenet Communicati
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
33628 UNALLOCATED 12.0.239.0/24 1239 Sprint
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.100.241.0/24 23456 32bit Transition AS
23.252.224.0/20 62502 Xnet Media LLC
23.252.224.0/21 62502 Xnet Media LLC
23.252.232.0/21 62502 Xnet Media LLC
24.231.96.0/24 21548 MTO Telecom Inc.
27.100.7.0/24 56096 >>UNKNOWN<<
31.217.248.0/21 44902 COVAGE NETWORKS SASU
37.16.88.0/23 57652 >>UNKNOWN<<
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 37004 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/current/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 /8:16 /9:12 /10:31 /11:90 /12:262
/13:500 /14:996 /15:1720 /16:13030 /17:7135 /18:11916
/19:24761 /20:35350 /21:37488 /22:55560 /23:48330 /24:277707
/25:1106 /26:1087 /27:705 /28:15 /29:19 /30:11
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2063 2850 Cox Communications Inc.
18566 1999 2044 MegaPath Corporation
6389 1674 2894 BellSouth.net Inc.
30036 1342 1496 Mediacom Communications Corp
6983 1307 1625 EarthLink, Inc.
34984 1203 1896 TELLCOM ILETISIM HIZMETLERI A
11492 1162 1214 CABLE ONE, INC.
10620 1074 3035 Telmex Colombia S.A.
8402 1045 1380 OJSC "Vimpelcom"
22561 1003 1311 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1358 2:679 3:3 4:16 5:1207 6:22
8:769 12:1848 13:4 14:1195 15:17 16:2
17:42 18:21 20:51 23:970 24:1669 27:1805
31:1386 32:45 33:2 34:5 36:155 37:1838
38:975 39:16 40:225 41:2997 42:274 43:664
44:18 45:80 46:2116 47:30 49:758 50:794
52:12 54:60 55:6 56:6 57:31 58:1155
59:661 60:445 61:1703 62:1311 63:1846 64:4406
65:2280 66:4110 67:2006 68:1049 69:3257 70:885
71:433 72:1983 74:2608 75:323 76:407 77:1622
78:958 79:780 80:1324 81:1277 82:820 83:670
84:670 85:1365 86:425 87:1184 88:500 89:1813
90:140 91:5884 92:804 93:1669 94:1948 95:1311
96:422 97:341 98:1034 99:48 100:66 101:746
103:6117 104:595 105:163 106:189 107:761 108:609
109:1991 110:1057 111:1443 112:736 113:915 114:795
115:1218 116:1233 117:1004 118:1599 119:1367 120:440
121:987 122:2211 123:1701 124:1461 125:1545 128:656
129:390 130:381 131:965 132:429 133:164 134:325
135:82 136:327 137:297 138:388 139:162 140:225
141:422 142:603 143:444 144:511 145:111 146:696
147:563 148:1057 149:397 150:518 151:643 152:482
153:244 154:411 155:631 156:379 157:331 158:279
159:926 160:335 161:621 162:1791 163:373 164:640
165:672 166:299 167:699 168:1132 169:130 170:1425
171:215 172:60 173:1583 174:711 175:582 176:1561
177:3704 178:2112 179:774 180:1818 181:1559 182:1661
183:568 184:706 185:2381 186:2912 187:1672 188:2000
189:1529 190:7667 191:802 192:7802 193:5567 194:4058
195:3612 196:1630 197:833 198:5328 199:5472 200:6496
201:2872 202:9401 203:8996 204:4679 205:2677 206:2994
207:2950 208:3922 209:3801 210:3468 211:1847 212:2467
213:2187 214:855 215:87 216:5632 217:1723 218:649
219:398 220:1301 221:773 222:438 223:662
End of report
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