[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 2 Oct 18:03:23 UTC 2020
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 03 Oct, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 825359
Prefixes after maximum aggregation (per Origin AS): 314351
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 397439
Total ASes present in the Internet Routing Table: 69555
Prefixes per ASN: 11.87
Origin-only ASes present in the Internet Routing Table: 59753
Origin ASes announcing only one prefix: 24749
Transit ASes present in the Internet Routing Table: 9802
Transit-only ASes present in the Internet Routing Table: 303
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 53
Max AS path prepend of ASN ( 29951) 51
Prefixes from unregistered ASNs in the Routing Table: 846
Number of instances of unregistered ASNs: 847
Number of 32-bit ASNs allocated by the RIRs: 33664
Number of 32-bit ASNs visible in the Routing Table: 27841
Prefixes from 32-bit ASNs in the Routing Table: 129355
Number of bogon 32-bit ASNs visible in the Routing Table: 15
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 459
Number of addresses announced to Internet: 2862713472
Equivalent to 170 /8s, 161 /16s and 138 /24s
Percentage of available address space announced: 77.3
Percentage of allocated address space announced: 77.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 276628
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 217410
Total APNIC prefixes after maximum aggregation: 63639
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 211241
Unique aggregates announced from the APNIC address blocks: 86657
APNIC Region origin ASes present in the Internet Routing Table: 10890
APNIC Prefixes per ASN: 19.40
APNIC Region origin ASes announcing only one prefix: 3045
APNIC Region transit ASes present in the Internet Routing Table: 1596
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 6007
Number of APNIC addresses announced to Internet: 778823680
Equivalent to 46 /8s, 107 /16s and 232 /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: 241089
Total ARIN prefixes after maximum aggregation: 110999
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 238805
Unique aggregates announced from the ARIN address blocks: 116832
ARIN Region origin ASes present in the Internet Routing Table: 18606
ARIN Prefixes per ASN: 12.83
ARIN Region origin ASes announcing only one prefix: 6777
ARIN Region transit ASes present in the Internet Routing Table: 1905
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 53
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3444
Number of ARIN addresses announced to Internet: 1090132480
Equivalent to 64 /8s, 250 /16s and 26 /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: 230770
Total RIPE prefixes after maximum aggregation: 108541
RIPE Deaggregation factor: 2.13
Prefixes being announced from the RIPE address blocks: 226812
Unique aggregates announced from the RIPE address blocks: 136044
RIPE Region origin ASes present in the Internet Routing Table: 27423
RIPE Prefixes per ASN: 8.27
RIPE Region origin ASes announcing only one prefix: 11829
RIPE Region transit ASes present in the Internet Routing Table: 3880
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9546
Number of RIPE addresses announced to Internet: 709350784
Equivalent to 42 /8s, 71 /16s and 213 /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
196608-213403
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: 111496
Total LACNIC prefixes after maximum aggregation: 25729
LACNIC Deaggregation factor: 4.33
Prefixes being announced from the LACNIC address blocks: 112649
Unique aggregates announced from the LACNIC address blocks: 47778
LACNIC Region origin ASes present in the Internet Routing Table: 10532
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2602
LACNIC Region transit ASes present in the Internet Routing Table: 1967
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8118
Number of LACNIC addresses announced to Internet: 174326272
Equivalent to 10 /8s, 100 /16s and 2 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-272796 + 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: 23747
Total AfriNIC prefixes after maximum aggregation: 4773
AfriNIC Deaggregation factor: 4.98
Prefixes being announced from the AfriNIC address blocks: 35393
Unique aggregates announced from the AfriNIC address blocks: 9754
AfriNIC Region origin ASes present in the Internet Routing Table: 1419
AfriNIC Prefixes per ASN: 24.94
AfriNIC Region origin ASes announcing only one prefix: 496
AfriNIC Region transit ASes present in the Internet Routing Table: 291
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 49
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 726
Number of AfriNIC addresses announced to Internet: 109619712
Equivalent to 6 /8s, 136 /16s and 170 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 5645 766 677 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4743 4193 74 ERX-CERNET-BKB China Education and Rese
7552 3604 1330 21 VIETEL-AS-AP Viettel Group, VN
45899 3242 1896 51 VNPT-AS-VN VNPT Corp, VN
7713 2713 829 625 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2550 9043 60 CMNET-GD Guangdong Mobile Communication
4766 2348 11103 554 KIXS-AS-KR Korea Telecom, KR
9498 2301 450 231 BBIL-AP BHARTI Airtel Ltd., IN
4755 2145 441 193 TATACOMM-AS TATA Communications formerl
9394 2042 4914 18 CTTNET China TieTong Telecommunications
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
11492 4589 307 658 CABLEONE, US
16509 4339 8612 1998 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3653 2985 181 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3349 1323 82 SHAW, CA
16625 3082 1623 2214 AKAMAI-AS, US
209 2483 5060 521 CENTURYLINK-US-LEGACY-QWEST, US
30036 2472 367 99 MEDIACOM-ENTERPRISE-BUSINESS, US
26484 2393 150 315 IKGUL-26484, US
5650 2312 2981 1625 FRONTIER-FRTR, US
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 6193 1652 136 UNI2-AS, ES
39891 3652 203 21 ALJAWWALSTC-AS, SA
8551 3438 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3208 2221 1030 AKAMAI-ASN1, EU
12389 2759 2275 864 ROSTELECOM-AS, RU
34984 2197 355 572 TELLCOM-AS, TR
9009 2182 242 1184 M247, GB
13188 1610 100 31 TRIOLAN, UA
58224 1272 839 520 TCI, IR
61317 1271 153 587 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 8094 3327 605 Uninet S.A. de C.V., MX
10620 3393 531 511 Telmex Colombia S.A., CO
11830 2558 369 63 Instituto Costarricense de Electricidad
6503 1631 323 414 Axtel, S.A.B. de C.V., MX
7303 1482 953 268 Telecom Argentina S.A., AR
13999 1450 458 386 Mega Cable, S.A. de C.V., MX
28573 1355 2253 219 CLARO S.A., BR
3816 1155 577 160 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1146 379 39 Telefonica del Peru S.A.A., PE
11664 968 210 400 Techtel LMDS Comunicaciones Interactiva
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 1428 393 22 LINKdotNET-AS, EG
36992 1182 1527 125 ETISALAT-MISR, EG
24835 1106 464 28 RAYA-AS, EG
36903 918 480 94 MT-MPLS, MA
29571 701 68 12 ORANGE-COTE-IVOIRE, CI
6713 553 1863 34 IAM-AS, MA
15399 495 46 15 WANANCHI-, KE
37342 481 32 1 MOVITEL, MZ
36935 450 519 37 Vodafone-, EG
23889 345 232 16 MauritiusTelecom, MU
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 8094 3327 605 Uninet S.A. de C.V., MX
12479 6193 1652 136 UNI2-AS, ES
7545 5645 766 677 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4743 4193 74 ERX-CERNET-BKB China Education and Rese
11492 4589 307 658 CABLEONE, US
16509 4339 8612 1998 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3653 2985 181 ASN-CXA-ALL-CCI-22773-RDC, US
39891 3652 203 21 ALJAWWALSTC-AS, SA
7552 3604 1330 21 VIETEL-AS-AP Viettel Group, VN
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
12479 6193 6057 UNI2-AS, ES
7545 5645 4968 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4743 4669 ERX-CERNET-BKB China Education and Research Net
7155 4034 4002 VIASAT-SP-BACKBONE, US
11492 4589 3931 CABLEONE, US
39891 3652 3631 ALJAWWALSTC-AS, SA
7552 3604 3583 VIETEL-AS-AP Viettel Group, VN
22773 3653 3472 ASN-CXA-ALL-CCI-22773-RDC, US
8551 3438 3393 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3349 3267 SHAW, CA
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
22357 UNALLOCATED 8.7.108.0/24 3356 LEVEL3, US
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 174 COGENT-174, US
32985 UNALLOCATED 8.28.31.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US
23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
46766 UNALLOCATED 8.44.208.0/24 3356 LEVEL3, US
40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, US
46505 UNALLOCATED 12.7.131.0/24 7018 ATT-INTERNET4, US
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.142.80.0/24 Origin: 10753 LVLT-10753, US
Transit: 3356 LEVEL3, US
23.157.0.0/24 Origin: 395101 UNASSIGNED
Transit: 33657 CMCS, US
27.100.7.0/24 Origin: 56096 UNASSIGNED
Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
27.126.156.0/22 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala
27.126.156.0/23 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala
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 /8:9 /9:12 /10:39 /11:100 /12:288
/13:577 /14:1175 /15:1932 /16:13474 /17:8329 /18:14017
/19:25606 /20:41134 /21:49465 /22:102574 /23:86079 /24:479297
/25:1252 /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 5158 6193 UNI2-AS, ES
11492 3678 4589 CABLEONE, US
6327 3146 3349 SHAW, CA
7155 3122 4034 VIASAT-SP-BACKBONE, US
8551 2897 3438 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2823 3653 ASN-CXA-ALL-CCI-22773-RDC, US
8151 2821 8094 Uninet S.A. de C.V., MX
39891 2801 3652 ALJAWWALSTC-AS, SA
30036 2215 2472 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 1995 2312 FRONTIER-FRTR, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1642 2:1170 3:33 4:19 5:3605 6:54
8:1483 9:1 11:1 12:1767 13:350 14:2350
15:72 16:8 17:296 18:88 20:111 23:4018
24:2343 25:3 27:2314 31:2156 32:120 34:1
35:43 36:998 37:3497 38:1877 39:459 40:150
41:3717 42:636 43:2156 44:218 45:15019 46:3535
47:320 49:1539 50:1659 51:101 52:1116 54:231
55:696 56:6 57:54 58:1636 59:1168 60:793
61:2311 62:2164 63:2018 64:5252 65:2369 66:5075
67:2910 68:1166 69:4081 70:1396 71:678 72:2971
74:2565 75:1455 76:673 77:1974 78:1662 79:2632
80:2064 81:1610 82:1325 83:1229 84:1250 85:2680
86:562 87:1792 88:937 89:2833 90:383 91:7154
92:1575 93:2500 94:2802 95:3397 96:1249 97:337
98:925 99:980 100:87 101:1026 102:1109 103:24503
104:3576 105:383 106:909 107:2121 108:693 109:3774
110:1959 111:2345 112:1690 113:1432 114:1529 115:1832
116:1830 117:2105 118:2174 119:1743 120:911 121:1049
122:2556 123:2037 124:1628 125:2137 128:1372 129:1243
130:723 131:1944 132:764 133:306 134:1365 135:331
136:637 137:881 138:2295 139:1053 140:745 141:1088
142:971 143:1206 144:1152 145:353 146:1393 147:1237
148:2148 149:1191 150:762 151:1332 152:1558 153:436
154:4507 155:1266 156:3017 157:1105 158:880 159:1984
160:1976 161:1076 162:3189 163:893 164:1510 165:1322
166:591 167:1671 168:3537 169:618 170:4360 171:774
172:1994 173:2761 174:972 175:1044 176:2795 177:4290
178:2704 179:1878 180:2248 181:2555 182:3121 183:1445
184:2441 185:17028 186:3925 187:3024 188:3317 189:2684
190:9020 191:1457 192:10459 193:7723 194:6311 195:4542
196:3149 197:2017 198:6059 199:5934 200:7321 201:5268
202:10560 203:10187 204:4648 205:3092 206:3202 207:3265
208:4000 209:4473 210:4198 211:2073 212:3507 213:3271
214:1173 215:60 216:6121 217:2477 218:852 219:614
220:2042 221:916 222:974 223:1641
End of report
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