[menog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 16 18:02:49 UTC 2021
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 17 Jul, 2021
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 856629
Prefixes after maximum aggregation (per Origin AS): 324292
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 412562
Total ASes present in the Internet Routing Table: 71609
Prefixes per ASN: 11.96
Origin-only ASes present in the Internet Routing Table: 61558
Origin ASes announcing only one prefix: 25414
Transit ASes present in the Internet Routing Table: 10051
Transit-only ASes present in the Internet Routing Table: 324
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 54
Max AS path prepend of ASN ( 48366) 51
Prefixes from unregistered ASNs in the Routing Table: 1112
Number of instances of unregistered ASNs: 1118
Number of 32-bit ASNs allocated by the RIRs: 36630
Number of 32-bit ASNs visible in the Routing Table: 30463
Prefixes from 32-bit ASNs in the Routing Table: 141814
Number of bogon 32-bit ASNs visible in the Routing Table: 25
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 531
Number of addresses announced to Internet: 3037572352
Equivalent to 181 /8s, 13 /16s and 173 /24s
Percentage of available address space announced: 82.0
Percentage of allocated address space announced: 82.0
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: 284853
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 230297
Total APNIC prefixes after maximum aggregation: 65981
APNIC Deaggregation factor: 3.49
Prefixes being announced from the APNIC address blocks: 225742
Unique aggregates announced from the APNIC address blocks: 90728
APNIC Region origin ASes present in the Internet Routing Table: 11759
APNIC Prefixes per ASN: 19.20
APNIC Region origin ASes announcing only one prefix: 3341
APNIC Region transit ASes present in the Internet Routing Table: 1664
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 32
Number of APNIC region 32-bit ASNs visible in the Routing Table: 6929
Number of APNIC addresses announced to Internet: 774057216
Equivalent to 46 /8s, 35 /16s and 45 /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, 131072-147769
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: 250402
Total ARIN prefixes after maximum aggregation: 114472
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 250154
Unique aggregates announced from the ARIN address blocks: 119727
ARIN Region origin ASes present in the Internet Routing Table: 18844
ARIN Prefixes per ASN: 13.27
ARIN Region origin ASes announcing only one prefix: 6848
ARIN Region transit ASes present in the Internet Routing Table: 1943
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 28
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3990
Number of ARIN addresses announced to Internet: 1268767360
Equivalent to 75 /8s, 159 /16s and 218 /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, 393216-401308
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: 238673
Total RIPE prefixes after maximum aggregation: 111479
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 235040
Unique aggregates announced from the RIPE address blocks: 143525
RIPE Region origin ASes present in the Internet Routing Table: 28005
RIPE Prefixes per ASN: 8.39
RIPE Region origin ASes announcing only one prefix: 12036
RIPE Region transit ASes present in the Internet Routing Table: 3900
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 54
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10305
Number of RIPE addresses announced to Internet: 710858624
Equivalent to 42 /8s, 94 /16s and 215 /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: 110748
Total LACNIC prefixes after maximum aggregation: 26491
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 111881
Unique aggregates announced from the LACNIC address blocks: 47052
LACNIC Region origin ASes present in the Internet Routing Table: 10770
LACNIC Prefixes per ASN: 10.39
LACNIC Region origin ASes announcing only one prefix: 2674
LACNIC Region transit ASes present in the Internet Routing Table: 2086
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: 8410
Number of LACNIC addresses announced to Internet: 175925248
Equivalent to 10 /8s, 124 /16s and 104 /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: 25394
Total AfriNIC prefixes after maximum aggregation: 5112
AfriNIC Deaggregation factor: 4.97
Prefixes being announced from the AfriNIC address blocks: 33281
Unique aggregates announced from the AfriNIC address blocks: 11064
AfriNIC Region origin ASes present in the Internet Routing Table: 1493
AfriNIC Prefixes per ASN: 22.29
AfriNIC Region origin ASes announcing only one prefix: 515
AfriNIC Region transit ASes present in the Internet Routing Table: 297
Average AfriNIC Region AS path length visible: 5.2
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 829
Number of AfriNIC addresses announced to Internet: 107537920
Equivalent to 6 /8s, 104 /16s and 230 /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
9808 7600 9002 61 CMNET-GD Guangdong Mobile Communication
7545 5807 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4854 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3532 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3530 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 2799 1897 55 VNPT-AS-VN VNPT Corp, VN
4766 2437 11120 569 KIXS-AS-KR Korea Telecom, KR
9498 2358 483 246 BBIL-AP BHARTI Airtel Ltd., IN
45090 2125 1197 73 CNNIC-TENCENT-NET-AP Shenzhen Tencent C
4755 2114 437 192 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
16509 5245 9536 2371 AMAZON-02, US
11492 4808 317 729 CABLEONE, US
7155 4000 264 32 VIASAT-SP-BACKBONE, US
22773 3991 3021 278 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3510 1814 2447 AKAMAI-AS, US
6327 3368 1317 69 SHAW, CA
30036 2584 373 122 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2539 5034 473 CENTURYLINK-US-LEGACY-QWEST, US
5972 2259 452 793 DNIC-ASBLK-05800-06055, US
20115 2181 2965 506 CHARTER-20115, 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 6739 1726 145 UNI2-AS, ES
20940 3701 3348 214 AKAMAI-ASN1, NL
39891 3267 187 22 ALJAWWALSTC-AS, SA
8551 2977 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2913 2283 897 ROSTELECOM-AS, RU
9009 2441 254 1303 M247, GB
34984 2215 356 594 TELLCOM-AS, TR
61317 1640 269 840 ASDETUK www.heficed.com, GB
13188 1610 100 27 TRIOLAN, UA
58224 1608 888 556 TCI, IR
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 8575 3447 583 Uninet S.A. de C.V., MX
10620 3407 525 651 Telmex Colombia S.A., CO
11830 2507 369 62 Instituto Costarricense de Electricidad
13999 1743 425 471 Mega Cable, S.A. de C.V., MX
6503 1489 359 477 Axtel, S.A.B. de C.V., MX
28573 1423 2290 235 CLARO S.A., BR
3816 1240 652 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1099 369 22 Telefonica del Peru S.A.A., PE
26615 1088 2351 134 TIM SA, BR
11664 990 199 443 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 1500 393 22 LINKdotNET-AS, EG
24835 1457 498 30 RAYA-AS, EG
36992 1307 1489 267 ETISALAT-MISR, EG
36903 1183 537 110 MT-MPLS, MA
29571 732 68 11 ORANGE-COTE-IVOIRE, CI
6713 613 1863 34 IAM-AS, MA
36935 533 522 40 Vodafone-, EG
15399 495 49 26 WANANCHI-, KE
2018 329 319 74 TENET-1, ZA
23889 317 232 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 8575 3447 583 Uninet S.A. de C.V., MX
9808 7600 9002 61 CMNET-GD Guangdong Mobile Communication
12479 6739 1726 145 UNI2-AS, ES
7545 5807 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU
16509 5245 9536 2371 AMAZON-02, US
4538 4854 4192 74 ERX-CERNET-BKB China Education and Rese
11492 4808 317 729 CABLEONE, US
7155 4000 264 32 VIASAT-SP-BACKBONE, US
22773 3991 3021 278 ASN-CXA-ALL-CCI-22773-RDC, US
20940 3701 3348 214 AKAMAI-ASN1, NL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 7600 7539 CMNET-GD Guangdong Mobile Communication Co.Ltd.
12479 6739 6594 UNI2-AS, ES
7545 5807 5131 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4854 4780 ERX-CERNET-BKB China Education and Research Net
11492 4808 4079 CABLEONE, US
7155 4000 3968 VIASAT-SP-BACKBONE, US
22773 3991 3713 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3532 3512 VIETEL-AS-AP Viettel Group, VN
20940 3701 3487 AKAMAI-ASN1, NL
7713 3530 3474 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
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
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US
18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US
54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US
23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, US
15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, US
3577 UNALLOCATED 12.19.197.0/24 209 CENTURYLINK-US-LEGACY-QWEST,
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
23.141.0.0/24 Origin: 395350 UNASSIGNED
Transit: 11426 TWC-11426-CAROLINAS, US
23.162.32.0/24 Origin: 32444 SAFELINK-MV, US
Transit: 6939 HURRICANE, 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 /8:17 /9:14 /10:41 /11:102 /12:305
/13:589 /14:1194 /15:1996 /16:13422 /17:8263 /18:13987
/19:25426 /20:42386 /21:50396 /22:106920 /23:91531 /24:498630
/25:1410 /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 5677 6739 UNI2-AS, ES
11492 3777 4808 CABLEONE, US
6327 3175 3368 SHAW, CA
8151 3089 8575 Uninet S.A. de C.V., MX
7155 3088 4000 VIASAT-SP-BACKBONE, US
22773 2972 3991 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2803 3267 ALJAWWALSTC-AS, SA
8551 2442 2977 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2254 2584 MEDIACOM-ENTERPRISE-BUSINESS, US
11830 1934 2507 Instituto Costarricense de Electricidad y Telec
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1892 2:1145 3:142 4:20 5:3566 6:79
7:5 8:1535 9:1 11:164 12:1741 13:377
14:2294 15:93 16:20 17:325 18:100 20:124
21:1 22:188 23:4841 24:2422 25:2 27:2498
29:19 31:2309 32:111 34:1 35:46 36:1588
37:3783 38:2164 39:607 40:175 41:3712 42:957
43:2060 44:267 45:15256 46:3710 47:351 48:2
49:1615 50:1817 51:101 52:1236 54:215 55:805
56:9 57:53 58:1747 59:1200 60:933 61:2318
62:2303 63:1968 64:5379 65:2360 66:5034 67:2891
68:1180 69:4089 70:1376 71:681 72:3149 74:2588
75:1491 76:697 77:2042 78:1715 79:2305 80:1860
81:1518 82:1325 83:1143 84:1262 85:2704 86:702
87:1813 88:975 89:3015 90:497 91:7383 92:1794
93:2560 94:3122 95:3530 96:1302 97:342 98:979
99:969 100:93 101:1021 102:1505 103:26356 104:3850
105:437 106:801 107:2257 108:729 109:3848 110:2008
111:3137 112:1913 113:1463 114:1437 115:1884 116:1881
117:2347 118:2406 119:1897 120:1451 121:1065 122:2520
123:2181 124:1587 125:2077 128:1304 129:1277 130:882
131:1984 132:753 133:360 134:1641 135:302 136:777
137:944 138:2412 139:1194 140:762 141:1217 142:1208
143:1336 144:1261 145:325 146:1482 147:1361 148:2186
149:1467 150:820 151:1086 152:1611 153:420 154:2996
155:1339 156:1684 157:1205 158:942 159:2004 160:2318
161:1231 162:3353 163:1015 164:1538 165:1402 166:623
167:1779 168:3634 169:700 170:4274 171:793 172:2535
173:2984 174:1007 175:1073 176:3177 177:4410 178:2944
179:1889 180:2259 181:2617 182:3210 183:2042 184:2410
185:18562 186:4131 187:3129 188:3335 189:2835 190:8738
191:1384 192:10720 193:8268 194:6711 195:4797 196:2891
197:1866 198:6055 199:6011 200:7314 201:5222 202:10550
203:10049 204:4669 205:3355 206:3626 207:3384 208:4031
209:4721 210:4254 211:2316 212:3714 213:3458 214:1186
215:56 216:6282 217:2572 218:1203 219:706 220:2059
221:953 222:865 223:1957
End of report
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