[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 31 18:02:50 UTC 2019
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, SANOG, PacNOG, SAFNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG.
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 01 Jun, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 757484
Prefixes after maximum aggregation (per Origin AS): 290744
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 361416
Total ASes present in the Internet Routing Table: 64395
Prefixes per ASN: 11.76
Origin-only ASes present in the Internet Routing Table: 55392
Origin ASes announcing only one prefix: 23824
Transit ASes present in the Internet Routing Table: 9003
Transit-only ASes present in the Internet Routing Table: 277
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 34
Max AS path prepend of ASN (206156) 26
Prefixes from unregistered ASNs in the Routing Table: 26
Number of instances of unregistered ASNs: 29
Number of 32-bit ASNs allocated by the RIRs: 27191
Number of 32-bit ASNs visible in the Routing Table: 22216
Prefixes from 32-bit ASNs in the Routing Table: 99727
Number of bogon 32-bit ASNs visible in the Routing Table: 21
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 256
Number of addresses announced to Internet: 2845014656
Equivalent to 169 /8s, 147 /16s and 122 /24s
Percentage of available address space announced: 76.8
Percentage of allocated address space announced: 76.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.3
Total number of prefixes smaller than registry allocations: 253034
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 204745
Total APNIC prefixes after maximum aggregation: 60806
APNIC Deaggregation factor: 3.37
Prefixes being announced from the APNIC address blocks: 200889
Unique aggregates announced from the APNIC address blocks: 82494
APNIC Region origin ASes present in the Internet Routing Table: 9777
APNIC Prefixes per ASN: 20.55
APNIC Region origin ASes announcing only one prefix: 2710
APNIC Region transit ASes present in the Internet Routing Table: 1458
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4784
Number of APNIC addresses announced to Internet: 772744832
Equivalent to 46 /8s, 15 /16s and 38 /24s
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, 64297-64395, 131072-139577
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: 225546
Total ARIN prefixes after maximum aggregation: 105128
ARIN Deaggregation factor: 2.15
Prefixes being announced from the ARIN address blocks: 224578
Unique aggregates announced from the ARIN address blocks: 105785
ARIN Region origin ASes present in the Internet Routing Table: 18488
ARIN Prefixes per ASN: 12.15
ARIN Region origin ASes announcing only one prefix: 6857
ARIN Region transit ASes present in the Internet Routing Table: 1902
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2721
Number of ARIN addresses announced to Internet: 1073736832
Equivalent to 63 /8s, 255 /16s and 236 /24s
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, 393216-399260
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, 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: 208432
Total RIPE prefixes after maximum aggregation: 98589
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 204635
Unique aggregates announced from the RIPE address blocks: 120973
RIPE Region origin ASes present in the Internet Routing Table: 26115
RIPE Prefixes per ASN: 7.84
RIPE Region origin ASes announcing only one prefix: 11588
RIPE Region transit ASes present in the Internet Routing Table: 3729
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 8158
Number of RIPE addresses announced to Internet: 719362176
Equivalent to 42 /8s, 224 /16s and 152 /24s
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, 64396-64495
196608-210331
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: 97168
Total LACNIC prefixes after maximum aggregation: 21875
LACNIC Deaggregation factor: 4.44
Prefixes being announced from the LACNIC address blocks: 98593
Unique aggregates announced from the LACNIC address blocks: 42737
LACNIC Region origin ASes present in the Internet Routing Table: 8431
LACNIC Prefixes per ASN: 11.69
LACNIC Region origin ASes announcing only one prefix: 2224
LACNIC Region transit ASes present in the Internet Routing Table: 1541
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5988
Number of LACNIC addresses announced to Internet: 173838080
Equivalent to 10 /8s, 92 /16s and 143 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-270748 + 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: 21566
Total AfriNIC prefixes after maximum aggregation: 4324
AfriNIC Deaggregation factor: 4.99
Prefixes being announced from the AfriNIC address blocks: 28533
Unique aggregates announced from the AfriNIC address blocks: 9201
AfriNIC Region origin ASes present in the Internet Routing Table: 1288
AfriNIC Prefixes per ASN: 22.15
AfriNIC Region origin ASes announcing only one prefix: 445
AfriNIC Region transit ASes present in the Internet Routing Table: 247
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 565
Number of AfriNIC addresses announced to Internet: 105079552
Equivalent to 6 /8s, 67 /16s and 99 /24s
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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
7545 4754 549 543 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 3164 1451 31 VIETEL-AS-AP Viettel Group, VN
45899 3029 1741 112 VNPT-AS-VN VNPT Corp, VN
9808 2830 9043 62 CMNET-GD Guangdong Mobile Communication
9829 2736 1496 552 BSNL-NIB National Internet Backbone, IN
4766 2530 11119 760 KIXS-AS-KR Korea Telecom, KR
4755 2140 428 182 TATACOMM-AS TATA Communications formerl
9394 2100 4882 26 CTTNET China TieTong Telecommunications
9498 2058 427 171 BBIL-AP BHARTI Airtel Ltd., IN
23969 1765 314 16 TOT-NET TOT Public Company Limited, TH
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
7155 4064 280 25 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 3645 238 610 CABLEONE - CABLE ONE, INC., US
6327 3618 1324 89 SHAW - Shaw Communications Inc., CA
22773 3405 2974 155 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2811 6141 1224 AMAZON-02 - Amazon.com, Inc., US
16625 2498 1368 1877 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2159 347 201 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2151 2760 526 CHARTER-20115 - Charter Communications,
18566 2100 405 108 MEGAPATH5-US - MegaPath Corporation, US
5650 2086 3074 1462 FRONTIER-FRTR - Frontier Communications
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
12479 5442 1629 141 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3216 378 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2658 511 1918 AKAMAI-ASN1, US
12389 2243 2225 633 ROSTELECOM-AS, RU
34984 2100 346 548 TELLCOM-AS, TR
9121 1666 1692 18 TTNET, TR
13188 1601 100 47 TRIOLAN, UA
9009 1485 157 804 M247, GB
61317 1300 136 376 ASDETUK http://www.heficed.com, GB
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
8151 5798 3369 569 Uninet S.A. de C.V., MX
10620 3438 536 403 Telmex Colombia S.A., CO
11830 2711 384 35 Instituto Costarricense de Electricidad
7303 1483 1024 255 Telecom Argentina S.A., AR
28573 1395 2239 200 CLARO S.A., BR
6503 1253 441 54 Axtel, S.A.B. de C.V., MX
6147 1105 377 30 Telefonica del Peru S.A.A., PE
3816 1097 532 141 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
13999 993 514 242 Mega Cable, S.A. de C.V., MX
11172 933 144 62 Alestra, S. de R.L. de C.V., MX
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
24863 1167 393 21 LINKdotNET-AS, EG
37611 964 107 9 Afrihost, ZA
24835 888 624 21 RAYA-AS, EG
36992 859 1536 69 ETISALAT-MISR, EG
36903 827 416 126 MT-MPLS, MA
8452 669 1731 19 TE-AS TE-AS, EG
29571 512 68 11 ORANGE-COTE-IVOIRE, CI
37492 474 470 57 ORANGE-, TN
15706 421 32 6 Sudatel, SD
37342 414 32 1 MOVITEL, MZ
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
8151 5798 3369 569 Uninet S.A. de C.V., MX
12479 5442 1629 141 UNI2-AS, ES
7545 4754 549 543 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4064 280 25 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 3778 203 20 ALJAWWALSTC-AS, SA
11492 3645 238 610 CABLEONE - CABLE ONE, INC., US
6327 3618 1324 89 SHAW - Shaw Communications Inc., CA
10620 3438 536 403 Telmex Colombia S.A., CO
22773 3405 2974 155 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
8551 3216 378 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
12479 5442 5301 UNI2-AS, ES
7545 4754 4211 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4064 4039 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3618 3529 SHAW - Shaw Communications Inc., CA
22773 3405 3250 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3216 3171 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 3164 3133 VIETEL-AS-AP Viettel Group, VN
11492 3645 3035 CABLEONE - CABLE ONE, INC., US
10620 3438 3035 Telmex Colombia S.A., CO
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc
267804 UNALLOCATED 45.172.108.0/22 52361 ARSAT - Empresa Argentina de S
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
65550 DOCUMENT 81.8.34.0/24 15924 BORUSANTELEKOM-AS, TR
65550 DOCUMENT 81.8.35.0/24 15924 BORUSANTELEKOM-AS, TR
130974 UNALLOCATED 103.139.78.0/24 139074 TDL-AS-AP TECHNOLOGY DIRECTION
65549 DOCUMENT 117.239.163.0/24 65544 UNKNOWN
64339 UNALLOCATED 143.0.108.0/22 18747 IFX18747 - IFX Corporation, US
65551 DOCUMENT 149.165.246.0/24 19782 INDIANAGIGAPOP - Indiana Unive
64355 UNALLOCATED 156.40.196.0/24 30387 NIH-NET-NCCS - National Instit
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.135.144.0/24 14102 GTVR - Transvision Reseau Inc., CA
27.100.7.0/24 56096 UNKNOWN
27.126.156.0/22 55827 UNKNOWN
27.126.156.0/23 55827 UNKNOWN
27.126.158.0/23 55827 UNKNOWN
41.76.136.0/22 37500 -Reserved AS-, ZZ
41.76.140.0/22 37500 -Reserved AS-, ZZ
41.78.92.0/22 14988 BTC-GATE1, BW
41.78.180.0/23 37265 -Reserved AS-, ZZ
41.220.48.0/20 36900 -Reserved AS-, ZZ
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 /8:12 /9:11 /10:37 /11:100 /12:294
/13:570 /14:1132 /15:1915 /16:13325 /17:8031 /18:13987
/19:25882 /20:40372 /21:47382 /22:94374 /23:76779 /24:432362
/25:919 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 4398 5442 UNI2-AS, ES
6327 3408 3618 SHAW - Shaw Communications Inc., CA
7155 3156 4064 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2856 3645 CABLEONE - CABLE ONE, INC., US
8551 2670 3216 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2642 3405 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
11830 2055 2711 Instituto Costarricense de Electricidad y Telec
18566 1995 2100 MEGAPATH5-US - MegaPath Corporation, US
30036 1910 2159 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1699 2:1029 3:6 4:21 5:3143 6:47
7:1 8:1318 9:1 12:1801 13:345 14:2024
15:34 16:5 17:265 18:66 20:52 23:2719
24:2524 25:4 27:2452 31:2001 32:100 35:36
36:861 37:3028 38:1753 39:296 40:122 41:3262
42:834 43:2025 44:152 45:8132 46:3297 47:260
49:1366 50:1114 51:330 52:1013 54:281 55:704
56:6 57:45 58:1767 59:1063 60:513 61:2196
62:2156 63:1837 64:4983 65:2204 66:4837 67:2765
68:1163 69:3544 70:1366 71:637 72:2621 74:2740
75:1288 76:560 77:1824 78:1839 79:2419 80:1808
81:1497 82:1132 83:923 84:1136 85:2261 86:543
87:1564 88:1045 89:2653 90:219 91:6579 92:1416
93:2454 94:2463 95:3293 96:948 97:345 98:959
99:761 100:86 101:1165 102:624 103:21271 104:3550
105:259 106:778 107:1766 108:695 109:3636 110:1700
111:2046 112:1511 113:1372 114:1233 115:1715 116:1755
117:1925 118:2164 119:1627 120:1047 121:1043 122:2288
123:1745 124:1479 125:2013 128:1337 129:834 130:532
131:1818 132:809 133:222 134:1098 135:244 136:579
137:755 138:2055 139:882 140:644 141:882 142:810
143:1051 144:899 145:494 146:1272 147:839 148:1687
149:961 150:797 151:1019 152:1073 153:331 154:3398
155:917 156:1679 157:1003 158:662 159:1955 160:1603
161:940 162:2970 163:829 164:1200 165:1606 166:448
167:1412 168:3312 169:878 170:4125 171:574 172:1666
173:2230 174:1046 175:967 176:2346 177:4253 178:2541
179:1420 180:2127 181:2425 182:2699 183:1084 184:2255
185:15159 186:3684 187:2499 188:3000 189:2001 190:8227
191:1534 192:10071 193:6667 194:5437 195:4143 196:3132
197:1808 198:5941 199:5997 200:7100 201:5084 202:10450
203:10215 204:4543 205:3061 206:3243 207:3265 208:3954
209:4273 210:3931 211:2016 212:3079 213:2955 214:1116
215:55 216:5926 217:2231 218:878 219:604 220:1877
221:974 222:979 223:1371
End of report
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