[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 14 Juin 18:03:56 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 15 Jun, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 758444
Prefixes after maximum aggregation (per Origin AS): 291554
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 363187
Total ASes present in the Internet Routing Table: 64519
Prefixes per ASN: 11.76
Origin-only ASes present in the Internet Routing Table: 55510
Origin ASes announcing only one prefix: 23876
Transit ASes present in the Internet Routing Table: 9009
Transit-only ASes present in the Internet Routing Table: 275
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 42
Max AS path prepend of ASN ( 27978) 31
Prefixes from unregistered ASNs in the Routing Table: 30
Number of instances of unregistered ASNs: 33
Number of 32-bit ASNs allocated by the RIRs: 27377
Number of 32-bit ASNs visible in the Routing Table: 22361
Prefixes from 32-bit ASNs in the Routing Table: 100529
Number of bogon 32-bit ASNs visible in the Routing Table: 18
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 304
Number of addresses announced to Internet: 2838120576
Equivalent to 169 /8s, 42 /16s and 72 /24s
Percentage of available address space announced: 76.7
Percentage of allocated address space announced: 76.7
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: 252304
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 205191
Total APNIC prefixes after maximum aggregation: 61042
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 201129
Unique aggregates announced from the APNIC address blocks: 83479
APNIC Region origin ASes present in the Internet Routing Table: 9812
APNIC Prefixes per ASN: 20.50
APNIC Region origin ASes announcing only one prefix: 2730
APNIC Region transit ASes present in the Internet Routing Table: 1468
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4816
Number of APNIC addresses announced to Internet: 770826880
Equivalent to 45 /8s, 241 /16s and 226 /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: 225787
Total ARIN prefixes after maximum aggregation: 105159
ARIN Deaggregation factor: 2.15
Prefixes being announced from the ARIN address blocks: 224800
Unique aggregates announced from the ARIN address blocks: 106036
ARIN Region origin ASes present in the Internet Routing Table: 18492
ARIN Prefixes per ASN: 12.16
ARIN Region origin ASes announcing only one prefix: 6846
ARIN Region transit ASes present in the Internet Routing Table: 1900
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 42
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2744
Number of ARIN addresses announced to Internet: 1067901568
Equivalent to 63 /8s, 166 /16s and 226 /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: 208681
Total RIPE prefixes after maximum aggregation: 98856
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 204813
Unique aggregates announced from the RIPE address blocks: 121383
RIPE Region origin ASes present in the Internet Routing Table: 26135
RIPE Prefixes per ASN: 7.84
RIPE Region origin ASes announcing only one prefix: 11587
RIPE Region transit ASes present in the Internet Routing Table: 3719
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: 8181
Number of RIPE addresses announced to Internet: 719856512
Equivalent to 42 /8s, 232 /16s and 35 /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: 97416
Total LACNIC prefixes after maximum aggregation: 22149
LACNIC Deaggregation factor: 4.40
Prefixes being announced from the LACNIC address blocks: 98762
Unique aggregates announced from the LACNIC address blocks: 42865
LACNIC Region origin ASes present in the Internet Routing Table: 8500
LACNIC Prefixes per ASN: 11.62
LACNIC Region origin ASes announcing only one prefix: 2265
LACNIC Region transit ASes present in the Internet Routing Table: 1551
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 39
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6053
Number of LACNIC addresses announced to Internet: 174023168
Equivalent to 10 /8s, 95 /16s and 98 /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: 21338
Total AfriNIC prefixes after maximum aggregation: 4328
AfriNIC Deaggregation factor: 4.93
Prefixes being announced from the AfriNIC address blocks: 28636
Unique aggregates announced from the AfriNIC address blocks: 9192
AfriNIC Region origin ASes present in the Internet Routing Table: 1288
AfriNIC Prefixes per ASN: 22.23
AfriNIC Region origin ASes announcing only one prefix: 448
AfriNIC Region transit ASes present in the Internet Routing Table: 253
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 567
Number of AfriNIC addresses announced to Internet: 105251840
Equivalent to 6 /8s, 70 /16s and 4 /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 4757 549 543 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 3203 1451 30 VIETEL-AS-AP Viettel Group, VN
45899 3044 1757 114 VNPT-AS-VN VNPT Corp, VN
9808 2800 9043 62 CMNET-GD Guangdong Mobile Communication
9829 2736 1496 552 BSNL-NIB National Internet Backbone, IN
4766 2529 11119 759 KIXS-AS-KR Korea Telecom, KR
4755 2141 428 182 TATACOMM-AS TATA Communications formerl
9394 2088 4882 26 CTTNET China TieTong Telecommunications
9498 2069 427 170 BBIL-AP BHARTI Airtel Ltd., IN
23969 1780 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 3652 238 607 CABLEONE - CABLE ONE, INC., US
6327 3614 1324 89 SHAW - Shaw Communications Inc., CA
22773 3415 2974 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2871 6294 1257 AMAZON-02 - Amazon.com, Inc., US
16625 2488 1359 1868 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2167 348 173 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2150 2760 525 CHARTER-20115 - Charter Communications,
18566 2094 405 107 MEGAPATH5-US - MegaPath Corporation, US
5650 2085 3074 1461 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 5436 1629 141 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3170 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2674 511 1928 AKAMAI-ASN1, US
12389 2247 2225 635 ROSTELECOM-AS, RU
34984 2099 346 548 TELLCOM-AS, TR
9121 1653 1692 18 TTNET, TR
13188 1604 100 47 TRIOLAN, UA
9009 1539 164 843 M247, GB
61317 1488 147 422 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 5999 3395 578 Uninet S.A. de C.V., MX
10620 3415 534 434 Telmex Colombia S.A., CO
11830 2704 370 56 Instituto Costarricense de Electricidad
7303 1482 1024 266 Telecom Argentina S.A., AR
28573 1456 2240 204 CLARO S.A., BR
6503 1252 441 54 Axtel, S.A.B. de C.V., MX
6147 1085 377 31 Telefonica del Peru S.A.A., PE
3816 1035 521 115 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
13999 999 514 235 Mega Cable, S.A. de C.V., MX
11172 937 128 61 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 1165 393 21 LINKdotNET-AS, EG
37611 968 107 9 Afrihost, ZA
24835 882 624 21 RAYA-AS, EG
36992 859 1536 70 ETISALAT-MISR, EG
36903 827 416 126 MT-MPLS, MA
8452 671 1731 19 TE-AS TE-AS, EG
29571 516 68 11 ORANGE-COTE-IVOIRE, CI
37492 471 470 57 ORANGE-, TN
37342 414 32 1 MOVITEL, MZ
15399 404 45 11 WANANCHI-, KE
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 5999 3395 578 Uninet S.A. de C.V., MX
12479 5436 1629 141 UNI2-AS, ES
7545 4757 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 3652 238 607 CABLEONE - CABLE ONE, INC., US
6327 3614 1324 89 SHAW - Shaw Communications Inc., CA
10620 3415 534 434 Telmex Colombia S.A., CO
22773 3415 2974 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
7552 3203 1451 30 VIETEL-AS-AP Viettel Group, VN
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 5436 5295 UNI2-AS, ES
7545 4757 4214 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4064 4039 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3614 3525 SHAW - Shaw Communications Inc., CA
22773 3415 3259 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 3203 3173 VIETEL-AS-AP Viettel Group, VN
8551 3170 3124 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3652 3045 CABLEONE - CABLE ONE, INC., US
10620 3415 2981 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
269037 UNALLOCATED 45.178.112.0/22 268224 UNKNOWN
269037 UNALLOCATED 45.178.112.0/23 268224 UNKNOWN
269037 UNALLOCATED 45.178.112.0/24 268224 UNKNOWN
269037 UNALLOCATED 45.178.113.0/24 268224 UNKNOWN
269037 UNALLOCATED 45.178.114.0/23 268224 UNKNOWN
269037 UNALLOCATED 45.178.114.0/24 268224 UNKNOWN
269037 UNALLOCATED 45.178.115.0/24 268224 UNKNOWN
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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
41.242.92.0/24 37643 -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 /8:10 /9:11 /10:37 /11:100 /12:294
/13:569 /14:1129 /15:1913 /16:13268 /17:8007 /18:13967
/19:25845 /20:40353 /21:47462 /22:94847 /23:76783 /24:432913
/25:936 /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 4390 5436 UNI2-AS, ES
6327 3404 3614 SHAW - Shaw Communications Inc., CA
7155 3156 4064 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2859 3652 CABLEONE - CABLE ONE, INC., US
22773 2652 3415 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2623 3170 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11830 2049 2704 Instituto Costarricense de Electricidad y Telec
18566 1989 2094 MEGAPATH5-US - MegaPath Corporation, US
30036 1918 2167 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)
----------------------------------------------
1:1689 2:1033 3:6 4:21 5:3164 6:47
7:1 8:1328 9:1 11:1 12:1795 13:350
14:2047 15:37 16:6 17:255 18:74 20:52
23:2737 24:2561 25:4 27:2444 31:2011 32:98
35:36 36:866 37:3033 38:1757 39:279 40:123
41:3168 42:816 43:2052 44:149 45:8314 46:3316
47:263 49:1356 50:1105 51:331 52:1015 54:283
55:710 56:6 57:47 58:1763 59:1075 60:524
61:2188 62:1964 63:1834 64:4985 65:2197 66:4838
67:2775 68:1164 69:3546 70:1368 71:642 72:2628
74:2727 75:1293 76:557 77:1785 78:1831 79:2307
80:1799 81:1495 82:1132 83:922 84:1132 85:2279
86:555 87:1544 88:1045 89:2531 90:215 91:6588
92:1423 93:2469 94:2462 95:3304 96:950 97:343
98:959 99:774 100:86 101:1173 102:626 103:21432
104:3550 105:265 106:777 107:1758 108:694 109:3682
110:1703 111:2038 112:1532 113:1369 114:1233 115:1738
116:1754 117:1913 118:2140 119:1647 120:1050 121:1049
122:2282 123:1764 124:1497 125:2014 128:1309 129:827
130:536 131:1822 132:824 133:222 134:1098 135:245
136:582 137:776 138:2068 139:888 140:600 141:884
142:804 143:1077 144:900 145:491 146:1286 147:825
148:1689 149:1093 150:792 151:1009 152:1087 153:333
154:3883 155:916 156:1673 157:1022 158:659 159:1954
160:1600 161:939 162:2958 163:831 164:1238 165:1606
166:476 167:1412 168:3292 169:896 170:4188 171:600
172:1654 173:2235 174:1047 175:975 176:2367 177:4095
178:2549 179:1398 180:2158 181:2396 182:2716 183:1087
184:2259 185:15202 186:3642 187:2500 188:2979 189:2006
190:8212 191:1500 192:10061 193:6701 194:5467 195:4147
196:3125 197:1610 198:5931 199:5970 200:7150 201:5127
202:10465 203:10213 204:4541 205:3070 206:3230 207:3237
208:3949 209:4284 210:3931 211:2017 212:3107 213:2938
214:1112 215:55 216:5895 217:2238 218:873 219:605
220:1882 221:975 222:979 223:1376
End of report
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