[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 17 18:11:55 UTC 2015
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 18 Apr, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 540786
Prefixes after maximum aggregation (per Origin AS): 206550
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 263869
Total ASes present in the Internet Routing Table: 50040
Prefixes per ASN: 10.81
Origin-only ASes present in the Internet Routing Table: 36566
Origin ASes announcing only one prefix: 16289
Transit ASes present in the Internet Routing Table: 6330
Transit-only ASes present in the Internet Routing Table: 176
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 45
Max AS path prepend of ASN ( 55944) 41
Prefixes from unregistered ASNs in the Routing Table: 1189
Unregistered ASNs in the Routing Table: 415
Number of 32-bit ASNs allocated by the RIRs: 9182
Number of 32-bit ASNs visible in the Routing Table: 7144
Prefixes from 32-bit ASNs in the Routing Table: 25731
Number of bogon 32-bit ASNs visible in the Routing Table: 2
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 363
Number of addresses announced to Internet: 2739671460
Equivalent to 163 /8s, 76 /16s and 17 /24s
Percentage of available address space announced: 74.0
Percentage of allocated address space announced: 74.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.3
Total number of prefixes smaller than registry allocations: 182096
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 133387
Total APNIC prefixes after maximum aggregation: 38870
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 139137
Unique aggregates announced from the APNIC address blocks: 56770
APNIC Region origin ASes present in the Internet Routing Table: 5035
APNIC Prefixes per ASN: 27.63
APNIC Region origin ASes announcing only one prefix: 1204
APNIC Region transit ASes present in the Internet Routing Table: 872
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 45
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1385
Number of APNIC addresses announced to Internet: 747587072
Equivalent to 44 /8s, 143 /16s and 70 /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: 178405
Total ARIN prefixes after maximum aggregation: 87876
ARIN Deaggregation factor: 2.03
Prefixes being announced from the ARIN address blocks: 180813
Unique aggregates announced from the ARIN address blocks: 84713
ARIN Region origin ASes present in the Internet Routing Table: 16543
ARIN Prefixes per ASN: 10.93
ARIN Region origin ASes announcing only one prefix: 6081
ARIN Region transit ASes present in the Internet Routing Table: 1726
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 402
Number of ARIN addresses announced to Internet: 1064773152
Equivalent to 63 /8s, 119 /16s and 38 /24s
Percentage of available ARIN address space announced: 56.3
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: 131149
Total RIPE prefixes after maximum aggregation: 65580
RIPE Deaggregation factor: 2.00
Prefixes being announced from the RIPE address blocks: 137384
Unique aggregates announced from the RIPE address blocks: 84757
RIPE Region origin ASes present in the Internet Routing Table: 17947
RIPE Prefixes per ASN: 7.65
RIPE Region origin ASes announcing only one prefix: 8171
RIPE Region transit ASes present in the Internet Routing Table: 2987
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3613
Number of RIPE addresses announced to Internet: 693973636
Equivalent to 41 /8s, 93 /16s and 50 /24s
Percentage of available RIPE address space announced: 100.9
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: 59161
Total LACNIC prefixes after maximum aggregation: 11164
LACNIC Deaggregation factor: 5.30
Prefixes being announced from the LACNIC address blocks: 69111
Unique aggregates announced from the LACNIC address blocks: 32165
LACNIC Region origin ASes present in the Internet Routing Table: 2429
LACNIC Prefixes per ASN: 28.45
LACNIC Region origin ASes announcing only one prefix: 630
LACNIC Region transit ASes present in the Internet Routing Table: 499
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 23
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1636
Number of LACNIC addresses announced to Internet: 168062720
Equivalent to 10 /8s, 4 /16s and 111 /24s
Percentage of available LACNIC address space announced: 100.2
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: 12783
Total AfriNIC prefixes after maximum aggregation: 3016
AfriNIC Deaggregation factor: 4.24
Prefixes being announced from the AfriNIC address blocks: 13978
Unique aggregates announced from the AfriNIC address blocks: 5137
AfriNIC Region origin ASes present in the Internet Routing Table: 736
AfriNIC Prefixes per ASN: 18.99
AfriNIC Region origin ASes announcing only one prefix: 203
AfriNIC Region transit ASes present in the Internet Routing Table: 162
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 108
Number of AfriNIC addresses announced to Internet: 64834816
Equivalent to 3 /8s, 221 /16s and 77 /24s
Percentage of available AfriNIC address space announced: 64.4
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 2920 11557 912 Korea Telecom
17974 2792 904 78 PT Telekomunikasi Indonesia
7545 2555 336 128 TPG Telecom Limited
4755 2004 422 212 TATA Communications formerly
4538 1760 4190 71 China Education and Research
9829 1660 1326 39 National Internet Backbone
9808 1570 8717 28 Guangdong Mobile Communicatio
4808 1442 2244 447 CNCGROUP IP network China169
9583 1407 116 575 Sify Limited
9498 1320 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
22773 3017 2956 143 Cox Communications Inc.
6389 2842 3688 51 BellSouth.net Inc.
3356 2560 10700 489 Level 3 Communications, Inc.
18566 2039 379 182 MegaPath Corporation
20115 1876 1832 430 Charter Communications
6983 1754 866 245 EarthLink, Inc.
4323 1616 1020 407 tw telecom holdings, inc.
30036 1517 309 509 Mediacom Communications Corp
701 1409 11276 693 MCI Communications Services,
22561 1341 412 243 CenturyTel Internet Holdings,
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
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
34984 1957 303 365 TELLCOM ILETISIM HIZMETLERI A
20940 1793 699 1326 Akamai International B.V.
6849 1212 356 24 JSC "Ukrtelecom"
8402 1124 544 15 OJSC "Vimpelcom"
31148 1046 45 21 Freenet Ltd.
13188 1034 96 71 TOV "Bank-Inform"
12479 902 863 85 France Telecom Espana SA
8551 886 373 48 Bezeq International-Ltd
6830 855 2345 453 Liberty Global Operations B.V
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 3197 520 192 Telmex Colombia S.A.
28573 2339 2179 122 NET Serviços de Comunicação S
7303 1694 1087 238 Telecom Argentina S.A.
6147 1625 374 30 Telefonica del Peru S.A.A.
8151 1590 3187 454 Uninet S.A. de C.V.
6503 1237 421 57 Axtel, S.A.B. de C.V.
7738 999 1882 41 Telemar Norte Leste S.A.
26615 982 2325 35 Tim Celular S.A.
3816 923 418 154 COLOMBIA TELECOMUNICACIONES S
18881 866 1036 22 Global Village Telecom
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 1703 958 13 TE-AS
24863 964 284 27 Link Egypt (Link.NET)
36903 492 248 93 Office National des Postes et
36992 417 1229 32 ETISALAT MISR
37492 302 155 72 Orange Tunisie
24835 300 144 9 Vodafone Data
3741 249 857 208 Internet Solutions
29571 231 21 12 Cote d'Ivoire Telecom
36947 198 807 13 Telecom Algeria
15706 172 32 6 Sudatel (Sudan Telecom Co. Lt
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 3197 520 192 Telmex Colombia S.A.
22773 3017 2956 143 Cox Communications Inc.
4766 2920 11557 912 Korea Telecom
6389 2842 3688 51 BellSouth.net Inc.
17974 2792 904 78 PT Telekomunikasi Indonesia
3356 2560 10700 489 Level 3 Communications, Inc.
7545 2555 336 128 TPG Telecom Limited
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2339 2179 122 NET Serviços de Comunicação S
18566 2039 379 182 MegaPath Corporation
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
22773 3017 2874 Cox Communications Inc.
6389 2842 2791 BellSouth.net Inc.
17974 2792 2714 PT Telekomunikasi Indonesia
39891 2472 2466 SaudiNet, Saudi Telecom Compa
7545 2555 2427 TPG Telecom Limited
28573 2339 2217 NET Serviços de Comunicação S
3356 2560 2071 Level 3 Communications, Inc.
4766 2920 2008 Korea Telecom
18566 2039 1857 MegaPath Corporation
4755 2004 1792 TATA Communications formerly
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
18985 UNALLOCATED 8.21.68.0/22 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
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
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
23.226.112.0/20 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/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 /10:34 /11:94 /12:262
/13:508 /14:998 /15:1719 /16:12953 /17:7200 /18:12211
/19:25344 /20:35909 /21:38551 /22:58855 /23:51392 /24:291715
/25:1130 /26:1129 /27:708 /28:14 /29:11 /30:8
/31:0 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2472 SaudiNet, Saudi Telecom Compa
22773 2225 3017 Cox Communications Inc.
18566 1995 2039 MegaPath Corporation
6389 1657 2842 BellSouth.net Inc.
6983 1401 1754 EarthLink, Inc.
30036 1362 1517 Mediacom Communications Corp
34984 1283 1957 TELLCOM ILETISIM HIZMETLERI A
6147 1171 1625 Telefonica del Peru S.A.A.
10620 1131 3197 Telmex Colombia S.A.
11492 1106 1173 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1484 2:670 4:93 5:1743 6:23 8:1414
12:1825 13:9 14:1308 15:17 16:2 17:44
18:21 20:48 23:1202 24:1718 27:1880 31:1526
32:38 33:2 34:5 35:3 36:117 37:1898
38:1019 39:5 40:252 41:3001 42:267 43:1245
44:25 45:441 46:2110 47:38 49:844 50:800
52:12 54:73 55:4 56:8 57:37 58:1221
59:674 60:469 61:1751 62:1327 63:1915 64:4424
65:2251 66:4090 67:2069 68:1078 69:3270 70:960
71:445 72:1955 74:2658 75:323 76:403 77:1457
78:1188 79:801 80:1299 81:1345 82:815 83:688
84:710 85:1372 86:395 87:1075 88:509 89:1821
90:151 91:5979 92:831 93:2212 94:1984 95:2091
96:430 97:355 98:1059 99:48 100:68 101:815
103:7218 104:1580 105:62 106:244 107:931 108:621
109:2024 110:1088 111:1491 112:782 113:1065 114:810
115:1260 116:1364 117:999 118:1752 119:1446 120:453
121:1037 122:2216 123:1753 124:1509 125:1588 128:541
129:379 130:386 131:1178 132:488 133:174 134:418
135:109 136:307 137:326 138:629 139:151 140:242
141:421 142:657 143:517 144:572 145:112 146:715
147:589 148:1120 149:432 150:572 151:606 152:492
153:242 154:441 155:744 156:407 157:462 158:318
159:985 160:376 161:646 162:1954 163:419 164:670
165:682 166:288 167:805 168:1282 169:162 170:1468
171:240 172:41 173:1529 174:706 175:676 176:1353
177:3771 178:2067 179:880 180:1940 181:1666 182:1731
183:619 184:740 185:3301 186:2644 187:1765 188:2022
189:1562 190:7639 191:950 192:8266 193:5582 194:4124
195:3657 196:1715 197:1086 198:5531 199:5531 200:6522
201:3043 202:9468 203:9104 204:4692 205:2840 206:3098
207:2980 208:3939 209:3942 210:3515 211:1859 212:2461
213:2289 214:855 215:71 216:5571 217:1802 218:685
219:455 220:1442 221:787 222:466 223:666
End of report
More information about the sanog
mailing list