[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 6 18:12:01 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 07 Mar, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 535301
Prefixes after maximum aggregation (per Origin AS): 204571
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 260830
Total ASes present in the Internet Routing Table: 49580
Prefixes per ASN: 10.80
Origin-only ASes present in the Internet Routing Table: 36492
Origin ASes announcing only one prefix: 16264
Transit ASes present in the Internet Routing Table: 6275
Transit-only ASes present in the Internet Routing Table: 169
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 44
Max AS path prepend of ASN ( 55944) 41
Prefixes from unregistered ASNs in the Routing Table: 1423
Unregistered ASNs in the Routing Table: 428
Number of 32-bit ASNs allocated by the RIRs: 8771
Number of 32-bit ASNs visible in the Routing Table: 6813
Prefixes from 32-bit ASNs in the Routing Table: 24890
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: 382
Number of addresses announced to Internet: 2733757604
Equivalent to 162 /8s, 241 /16s and 212 /24s
Percentage of available address space announced: 73.8
Percentage of allocated address space announced: 73.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.2
Total number of prefixes smaller than registry allocations: 181128
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 131849
Total APNIC prefixes after maximum aggregation: 38372
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 137413
Unique aggregates announced from the APNIC address blocks: 55868
APNIC Region origin ASes present in the Internet Routing Table: 5015
APNIC Prefixes per ASN: 27.40
APNIC Region origin ASes announcing only one prefix: 1205
APNIC Region transit ASes present in the Internet Routing Table: 871
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 44
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1331
Number of APNIC addresses announced to Internet: 746142208
Equivalent to 44 /8s, 121 /16s and 58 /24s
Percentage of available APNIC address space announced: 87.2
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: 176640
Total ARIN prefixes after maximum aggregation: 87315
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 178608
Unique aggregates announced from the ARIN address blocks: 83891
ARIN Region origin ASes present in the Internet Routing Table: 16506
ARIN Prefixes per ASN: 10.82
ARIN Region origin ASes announcing only one prefix: 6077
ARIN Region transit ASes present in the Internet Routing Table: 1705
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 21
Number of ARIN region 32-bit ASNs visible in the Routing Table: 366
Number of ARIN addresses announced to Internet: 1061694240
Equivalent to 63 /8s, 72 /16s and 43 /24s
Percentage of available ARIN address space announced: 56.2
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, 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: 130293
Total RIPE prefixes after maximum aggregation: 64794
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 136645
Unique aggregates announced from the RIPE address blocks: 83857
RIPE Region origin ASes present in the Internet Routing Table: 17899
RIPE Prefixes per ASN: 7.63
RIPE Region origin ASes announcing only one prefix: 8151
RIPE Region transit ASes present in the Internet Routing Table: 2968
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3483
Number of RIPE addresses announced to Internet: 693822852
Equivalent to 41 /8s, 90 /16s and 229 /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: 58879
Total LACNIC prefixes after maximum aggregation: 11040
LACNIC Deaggregation factor: 5.33
Prefixes being announced from the LACNIC address blocks: 68633
Unique aggregates announced from the LACNIC address blocks: 31804
LACNIC Region origin ASes present in the Internet Routing Table: 2411
LACNIC Prefixes per ASN: 28.47
LACNIC Region origin ASes announcing only one prefix: 627
LACNIC Region transit ASes present in the Internet Routing Table: 490
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1543
Number of LACNIC addresses announced to Internet: 167955456
Equivalent to 10 /8s, 2 /16s and 204 /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: 12558
Total AfriNIC prefixes after maximum aggregation: 3006
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 13620
Unique aggregates announced from the AfriNIC address blocks: 5068
AfriNIC Region origin ASes present in the Internet Routing Table: 737
AfriNIC Prefixes per ASN: 18.48
AfriNIC Region origin ASes announcing only one prefix: 204
AfriNIC Region transit ASes present in the Internet Routing Table: 154
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 90
Number of AfriNIC addresses announced to Internet: 63654656
Equivalent to 3 /8s, 203 /16s and 75 /24s
Percentage of available AfriNIC address space announced: 63.2
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
4766 2874 11553 909 Korea Telecom
17974 2813 904 78 PT Telekomunikasi Indonesia
7545 2575 336 128 TPG Telecom Limited
4755 1988 422 211 TATA Communications formerly
4538 1760 4190 71 China Education and Research
9829 1675 1324 34 National Internet Backbone
9808 1546 8717 28 Guangdong Mobile Communicatio
4808 1459 2251 439 CNCGROUP IP network China169
9583 1397 132 555 Sify Limited
9498 1303 334 95 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 2985 2955 141 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
3356 2551 10683 480 Level 3 Communications, Inc.
18566 2041 379 183 MegaPath Corporation
20115 1849 1831 434 Charter Communications
6983 1705 866 245 EarthLink, Inc.
4323 1628 1036 409 tw telecom holdings, inc.
30036 1522 312 507 Mediacom Communications Corp
701 1389 11268 677 MCI Communications Services,
22561 1327 412 241 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 1971 303 359 TELLCOM ILETISIM HIZMETLERI A
20940 1625 632 1207 Akamai International B.V.
8402 1397 544 15 OJSC "Vimpelcom"
6849 1214 356 24 JSC "Ukrtelecom"
31148 1046 45 21 Freenet Ltd.
13188 1015 96 70 TOV "Bank-Inform"
8551 904 373 48 Bezeq International-Ltd
12479 873 796 82 France Telecom Espana SA
9198 845 349 25 JSC Kazakhtelecom
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 3123 507 216 Telmex Colombia S.A.
28573 2321 2156 116 NET Serviços de Comunicação S
7303 1793 1190 233 Telecom Argentina S.A.
6147 1579 374 30 Telefonica del Peru S.A.A.
8151 1544 3124 446 Uninet S.A. de C.V.
6503 1200 421 58 Axtel, S.A.B. de C.V.
7738 1001 1882 42 Telemar Norte Leste S.A.
3816 922 400 150 COLOMBIA TELECOMUNICACIONES S
26615 921 2325 35 Tim Celular S.A.
18881 863 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 1500 958 13 TE-AS
24863 928 282 31 Link Egypt (Link.NET)
36903 479 241 90 Office National des Postes et
36992 402 1101 31 ETISALAT MISR
37492 319 155 71 Orange Tunisie
24835 299 144 9 Vodafone Data
3741 250 921 209 Internet Solutions
29571 234 21 12 Cote d'Ivoire Telecom
36947 196 712 14 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 3123 507 216 Telmex Colombia S.A.
22773 2985 2955 141 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
4766 2874 11553 909 Korea Telecom
17974 2813 904 78 PT Telekomunikasi Indonesia
7545 2575 336 128 TPG Telecom Limited
3356 2551 10683 480 Level 3 Communications, Inc.
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2321 2156 116 NET Serviços de Comunicação S
18566 2041 379 183 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 2985 2844 Cox Communications Inc.
6389 2891 2840 BellSouth.net Inc.
17974 2813 2735 PT Telekomunikasi Indonesia
39891 2472 2466 SaudiNet, Saudi Telecom Compa
7545 2575 2447 TPG Telecom Limited
28573 2321 2205 NET Serviços de Comunicação S
3356 2551 2071 Level 3 Communications, Inc.
4766 2874 1965 Korea Telecom
18566 2041 1858 MegaPath Corporation
4755 1988 1777 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
36806 UNALLOCATED 4.21.41.0/24 3356 Level 3 Communicatio
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
47092 UNALLOCATED 8.8.204.0/24 16410 The Reynolds and Rey
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
598 UNALLOCATED 8.39.237.0/24 3356 Level 3 Communicatio
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 Bitfinite LLC
23.252.224.0/20 62502 >>UNKNOWN<<
23.252.224.0/21 62502 >>UNKNOWN<<
23.252.232.0/21 62502 >>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<<
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 /11:92 /12:264
/13:505 /14:998 /15:1723 /16:12969 /17:7161 /18:12156
/19:25113 /20:35743 /21:38522 /22:57910 /23:50691 /24:288484
/25:1079 /26:1108 /27:670 /28:17 /29:13 /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 2201 2985 Cox Communications Inc.
18566 1996 2041 MegaPath Corporation
6389 1671 2891 BellSouth.net Inc.
30036 1368 1522 Mediacom Communications Corp
6983 1352 1705 EarthLink, Inc.
34984 1278 1971 TELLCOM ILETISIM HIZMETLERI A
11492 1128 1191 CABLE ONE, INC.
6147 1123 1579 Telefonica del Peru S.A.A.
10620 1108 3123 Telmex Colombia S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1513 2:674 3:1 4:98 5:1724 6:21
8:1424 12:1840 13:4 14:1306 15:17 16:2
17:42 18:21 20:49 23:1184 24:1672 27:1849
31:1487 32:39 33:2 34:5 35:3 36:118
37:1851 38:1009 39:10 40:237 41:2973 42:258
43:1127 44:25 45:252 46:2187 47:36 49:838
50:789 52:12 54:69 55:8 56:8 57:36
58:1201 59:683 60:465 61:1774 62:1313 63:1912
64:4453 65:2266 66:4116 67:2030 68:1030 69:3248
70:945 71:435 72:1959 74:2610 75:318 76:405
77:1493 78:1295 79:792 80:1319 81:1332 82:817
83:672 84:682 85:1350 86:391 87:1082 88:516
89:1766 90:150 91:5930 92:794 93:2178 94:2032
95:2123 96:429 97:340 98:1056 99:45 100:73
101:797 102:1 103:6871 104:1402 105:61 106:220
107:893 108:610 109:2007 110:1078 111:1474 112:744
113:1044 114:832 115:1245 116:1348 117:1008 118:1682
119:1436 120:442 121:1035 122:2182 123:1726 124:1498
125:1576 128:648 129:356 130:381 131:1134 132:486
133:167 134:412 135:89 136:335 137:299 138:522
139:174 140:231 141:420 142:632 143:477 144:530
145:109 146:690 147:578 148:1103 149:458 150:563
151:607 152:496 153:239 154:387 155:728 156:403
157:331 158:263 159:974 160:370 161:636 162:1922
163:385 164:659 165:677 166:323 167:705 168:1023
169:153 170:1457 171:230 172:42 173:1574 174:698
175:630 176:1432 177:3749 178:2054 179:853 180:1920
181:1629 182:1724 183:610 184:775 185:3057 186:2685
187:1864 188:2018 189:1584 190:7680 191:943 192:8153
193:5576 194:4079 195:3647 196:1664 197:1018 198:5496
199:5534 200:6552 201:3009 202:9501 203:9075 204:4649
205:2740 206:2987 207:2991 208:3951 209:3903 210:3510
211:1850 212:2481 213:2264 214:844 215:69 216:5527
217:1793 218:673 219:469 220:1436 221:788 222:466
223:654
End of report
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