[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 1 18:03:44 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 02 Nov, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 780897
Prefixes after maximum aggregation (per Origin AS): 297197
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 372349
Total ASes present in the Internet Routing Table: 66010
Prefixes per ASN: 11.83
Origin-only ASes present in the Internet Routing Table: 56764
Origin ASes announcing only one prefix: 24242
Transit ASes present in the Internet Routing Table: 9246
Transit-only ASes present in the Internet Routing Table: 266
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 51
Max AS path prepend of ASN ( 22394) 47
Prefixes from unregistered ASNs in the Routing Table: 28
Number of instances of unregistered ASNs: 28
Number of 32-bit ASNs allocated by the RIRs: 29349
Number of 32-bit ASNs visible in the Routing Table: 23994
Prefixes from 32-bit ASNs in the Routing Table: 109125
Number of bogon 32-bit ASNs visible in the Routing Table: 12
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 323
Number of addresses announced to Internet: 2843181824
Equivalent to 169 /8s, 119 /16s and 131 /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: 99.4
Total number of prefixes smaller than registry allocations: 260487
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 209431
Total APNIC prefixes after maximum aggregation: 60901
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 203765
Unique aggregates announced from the APNIC address blocks: 84924
APNIC Region origin ASes present in the Internet Routing Table: 10148
APNIC Prefixes per ASN: 20.08
APNIC Region origin ASes announcing only one prefix: 2808
APNIC Region transit ASes present in the Internet Routing Table: 1504
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5172
Number of APNIC addresses announced to Internet: 771110272
Equivalent to 45 /8s, 246 /16s and 53 /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, 131072-141625
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: 229412
Total ARIN prefixes after maximum aggregation: 106392
ARIN Deaggregation factor: 2.16
Prefixes being announced from the ARIN address blocks: 227432
Unique aggregates announced from the ARIN address blocks: 104885
ARIN Region origin ASes present in the Internet Routing Table: 18624
ARIN Prefixes per ASN: 12.21
ARIN Region origin ASes announcing only one prefix: 6907
ARIN Region transit ASes present in the Internet Routing Table: 1916
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 51
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2981
Number of ARIN addresses announced to Internet: 1068965120
Equivalent to 63 /8s, 183 /16s and 29 /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: 218987
Total RIPE prefixes after maximum aggregation: 102370
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 215336
Unique aggregates announced from the RIPE address blocks: 127655
RIPE Region origin ASes present in the Internet Routing Table: 26590
RIPE Prefixes per ASN: 8.10
RIPE Region origin ASes announcing only one prefix: 11704
RIPE Region transit ASes present in the Internet Routing Table: 3745
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 8642
Number of RIPE addresses announced to Internet: 722591104
Equivalent to 43 /8s, 17 /16s and 221 /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: 101543
Total LACNIC prefixes after maximum aggregation: 23142
LACNIC Deaggregation factor: 4.39
Prefixes being announced from the LACNIC address blocks: 102683
Unique aggregates announced from the LACNIC address blocks: 44911
LACNIC Region origin ASes present in the Internet Routing Table: 9028
LACNIC Prefixes per ASN: 11.37
LACNIC Region origin ASes announcing only one prefix: 2346
LACNIC Region transit ASes present in the Internet Routing Table: 1700
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6579
Number of LACNIC addresses announced to Internet: 173856000
Equivalent to 10 /8s, 92 /16s and 213 /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: 21495
Total AfriNIC prefixes after maximum aggregation: 4369
AfriNIC Deaggregation factor: 4.92
Prefixes being announced from the AfriNIC address blocks: 31358
Unique aggregates announced from the AfriNIC address blocks: 9698
AfriNIC Region origin ASes present in the Internet Routing Table: 1338
AfriNIC Prefixes per ASN: 23.44
AfriNIC Region origin ASes announcing only one prefix: 477
AfriNIC Region transit ASes present in the Internet Routing Table: 259
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: 620
Number of AfriNIC addresses announced to Internet: 106344960
Equivalent to 6 /8s, 86 /16s and 178 /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 5071 630 592 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4683 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3247 1331 26 VIETEL-AS-AP Viettel Group, VN
45899 3080 1771 107 VNPT-AS-VN VNPT Corp, VN
7713 2614 799 492 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2613 9043 63 CMNET-GD Guangdong Mobile Communication
9829 2530 1495 530 BSNL-NIB National Internet Backbone, IN
4766 2388 11113 667 KIXS-AS-KR Korea Telecom, KR
9498 2199 433 210 BBIL-AP BHARTI Airtel Ltd., IN
4755 2148 442 197 TATACOMM-AS TATA Communications formerl
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 4056 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 3774 308 112 CABLEONE - CABLE ONE, INC., US
22773 3488 2970 155 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 3443 7330 1560 AMAZON-02 - Amazon.com, Inc., US
6327 3371 1324 93 SHAW - Shaw Communications Inc., CA
16625 2894 1531 2069 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2238 354 122 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2134 2769 517 CHARTER-20115 - Charter Communications,
18566 2069 405 103 MEGAPATH5-US - MegaPath Corporation, US
5650 2065 3073 1454 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 5623 1617 135 UNI2-AS, ES
39891 4034 219 19 ALJAWWALSTC-AS, SA
8551 2987 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2787 474 1957 AKAMAI-ASN1, US
31334 2621 484 13 KABELDEUTSCHLAND-AS, DE
12389 2407 2232 692 ROSTELECOM-AS, RU
9121 2166 1691 18 TTNET, TR
34984 2158 350 533 TELLCOM-AS, TR
9009 1874 203 1026 M247, GB
13188 1604 100 47 TRIOLAN, UA
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 6201 3326 615 Uninet S.A. de C.V., MX
10620 3365 535 450 Telmex Colombia S.A., CO
11830 2697 370 54 Instituto Costarricense de Electricidad
6503 1696 327 387 Axtel, S.A.B. de C.V., MX
7303 1477 1024 276 Telecom Argentina S.A., AR
28573 1168 2232 194 CLARO S.A., BR
13999 1103 493 244 Mega Cable, S.A. de C.V., MX
6147 1102 380 37 Telefonica del Peru S.A.A., PE
3816 1079 558 133 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 933 110 59 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 1170 393 23 LINKdotNET-AS, EG
36992 1027 1535 73 ETISALAT-MISR, EG
24835 969 618 25 RAYA-AS, EG
36903 868 438 95 MT-MPLS, MA
8452 663 1857 19 TE-AS TE-AS, EG
6713 626 1863 34 IAM-AS, MA
29571 523 68 11 ORANGE-COTE-IVOIRE, CI
15399 410 45 10 WANANCHI-, KE
37342 402 32 1 MOVITEL, MZ
15706 363 32 6 Sudatel, SD
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 6201 3326 615 Uninet S.A. de C.V., MX
12479 5623 1617 135 UNI2-AS, ES
7545 5071 630 592 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4683 4192 73 ERX-CERNET-BKB China Education and Rese
7155 4056 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 219 19 ALJAWWALSTC-AS, SA
11492 3774 308 112 CABLEONE - CABLE ONE, INC., US
22773 3488 2970 155 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 3443 7330 1560 AMAZON-02 - Amazon.com, Inc., US
6327 3371 1324 93 SHAW - Shaw Communications Inc., CA
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 5623 5488 UNI2-AS, ES
4538 4683 4610 ERX-CERNET-BKB China Education and Research Net
7545 5071 4479 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4056 4029 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 4015 ALJAWWALSTC-AS, SA
11492 3774 3662 CABLEONE - CABLE ONE, INC., US
22773 3488 3333 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
6327 3371 3278 SHAW - Shaw Communications Inc., CA
7552 3247 3221 VIETEL-AS-AP Viettel Group, VN
45899 3080 2973 VNPT-AS-VN VNPT Corp, VN
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
64501 DOCUMENT 45.174.25.0/24 267817 UNKNOWN
260984 UNALLOCATED 45.175.186.0/23 16735 ALGAR TELECOM S/A, BR
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
65541 DOCUMENT 103.141.175.0/24 58689 ICCNET-DHK-BD ICC Communicatio
64339 UNALLOCATED 143.0.108.0/22 18747 IFX18747 - IFX Corporation, US
64355 UNALLOCATED 156.40.196.0/24 30387 NIH-NET-NCCS - National Instit
64011 UNALLOCATED 166.133.128.0/18 20057 ATT-MOBILITY-LLC-AS20057 - AT&
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.136.224.0/24 15206 6X7 - 6x7 Networks LLC, ZZ
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
41.67.192.0/18 15964 CAMNET-AS, CM
41.67.192.0/24 15964 CAMNET-AS, CM
41.67.200.0/24 15964 CAMNET-AS, CM
41.67.201.0/24 15964 CAMNET-AS, CM
41.67.202.0/24 15964 CAMNET-AS, CM
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 /10:38 /11:100 /12:291
/13:574 /14:1149 /15:1928 /16:13328 /17:8070 /18:13794
/19:25709 /20:40253 /21:47415 /22:97411 /23:79250 /24:450012
/25:1554 /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 4582 5623 UNI2-AS, ES
6327 3158 3371 SHAW - Shaw Communications Inc., CA
7155 3148 4056 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 2946 4034 ALJAWWALSTC-AS, SA
11492 2919 3774 CABLEONE - CABLE ONE, INC., US
22773 2713 3488 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
31334 2477 2621 KABELDEUTSCHLAND-AS, DE
8551 2446 2987 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11830 2044 2697 Instituto Costarricense de Electricidad y Telec
30036 1989 2238 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)
----------------------------------------------
1:1540 2:1114 3:6 4:21 5:3136 6:49
7:1 8:1370 9:1 12:1799 13:424 14:2140
15:52 16:8 17:273 18:78 20:56 23:3002
24:2594 25:4 27:2495 31:2766 32:107 35:36
36:928 37:3178 38:1787 39:309 40:128 41:3370
42:851 43:2100 44:184 45:11860 46:3334 47:269
49:1412 50:1129 51:348 52:1074 54:267 55:730
56:6 57:48 58:2050 59:1096 60:640 61:2214
62:2128 63:1889 64:4987 65:2276 66:4829 67:2722
68:1216 69:3604 70:1388 71:666 72:2734 74:2682
75:1293 76:657 77:2559 78:2002 79:2209 80:1814
81:1517 82:1195 83:959 84:1204 85:2436 86:566
87:1611 88:1121 89:2597 90:245 91:6691 92:1430
93:2470 94:2563 95:3687 96:955 97:338 98:956
99:961 100:82 101:1090 102:684 103:22522 104:3638
105:342 106:833 107:1828 108:677 109:3597 110:1801
111:2029 112:1565 113:1382 114:1463 115:1819 116:1812
117:1971 118:2179 119:1668 120:1060 121:1036 122:2304
123:1869 124:1552 125:2018 128:1395 129:880 130:551
131:1813 132:758 133:251 134:1114 135:261 136:587
137:814 138:2126 139:965 140:651 141:895 142:766
143:1101 144:934 145:286 146:1440 147:928 148:1868
149:1027 150:832 151:1285 152:1419 153:365 154:4378
155:888 156:2780 157:1065 158:708 159:1956 160:1639
161:1032 162:3019 163:870 164:1299 165:1177 166:526
167:1446 168:3592 169:490 170:4241 171:710 172:1759
173:2304 174:1035 175:990 176:2564 177:4180 178:2786
179:1405 180:2170 181:2390 182:2807 183:1095 184:2290
185:15697 186:3816 187:2518 188:3413 189:2060 190:8309
191:1484 192:10095 193:6873 194:5604 195:4190 196:3185
197:1809 198:6075 199:5938 200:7158 201:5160 202:10441
203:10115 204:4587 205:3092 206:3237 207:3280 208:3966
209:4291 210:3958 211:2007 212:3295 213:2953 214:1155
215:53 216:5813 217:2297 218:890 219:604 220:1937
221:951 222:1024 223:1417
End of report
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