[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 25 18:02:44 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 26 Jun, 2021
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 856006
Prefixes after maximum aggregation (per Origin AS): 323083
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 410634
Total ASes present in the Internet Routing Table: 71491
Prefixes per ASN: 11.97
Origin-only ASes present in the Internet Routing Table: 61485
Origin ASes announcing only one prefix: 25393
Transit ASes present in the Internet Routing Table: 10006
Transit-only ASes present in the Internet Routing Table: 319
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: 1118
Number of instances of unregistered ASNs: 1124
Number of 32-bit ASNs allocated by the RIRs: 36432
Number of 32-bit ASNs visible in the Routing Table: 30284
Prefixes from 32-bit ASNs in the Routing Table: 141003
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: 538
Number of addresses announced to Internet: 3040868480
Equivalent to 181 /8s, 63 /16s and 248 /24s
Percentage of available address space announced: 82.1
Percentage of allocated address space announced: 82.1
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: 285200
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 229936
Total APNIC prefixes after maximum aggregation: 65725
APNIC Deaggregation factor: 3.50
Prefixes being announced from the APNIC address blocks: 225687
Unique aggregates announced from the APNIC address blocks: 90258
APNIC Region origin ASes present in the Internet Routing Table: 11672
APNIC Prefixes per ASN: 19.34
APNIC Region origin ASes announcing only one prefix: 3329
APNIC Region transit ASes present in the Internet Routing Table: 1655
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: 6843
Number of APNIC addresses announced to Internet: 774691840
Equivalent to 46 /8s, 44 /16s and 220 /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: 249491
Total ARIN prefixes after maximum aggregation: 113801
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 249455
Unique aggregates announced from the ARIN address blocks: 118754
ARIN Region origin ASes present in the Internet Routing Table: 18840
ARIN Prefixes per ASN: 13.24
ARIN Region origin ASes announcing only one prefix: 6831
ARIN Region transit ASes present in the Internet Routing Table: 1947
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: 3941
Number of ARIN addresses announced to Internet: 1271687680
Equivalent to 75 /8s, 204 /16s and 106 /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: 238502
Total RIPE prefixes after maximum aggregation: 111239
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 234717
Unique aggregates announced from the RIPE address blocks: 143186
RIPE Region origin ASes present in the Internet Routing Table: 27978
RIPE Prefixes per ASN: 8.39
RIPE Region origin ASes announcing only one prefix: 12027
RIPE Region transit ASes present in the Internet Routing Table: 3894
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: 10250
Number of RIPE addresses announced to Internet: 710756224
Equivalent to 42 /8s, 93 /16s and 71 /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: 110983
Total LACNIC prefixes after maximum aggregation: 26478
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 112149
Unique aggregates announced from the LACNIC address blocks: 47128
LACNIC Region origin ASes present in the Internet Routing Table: 10780
LACNIC Prefixes per ASN: 10.40
LACNIC Region origin ASes announcing only one prefix: 2695
LACNIC Region transit ASes present in the Internet Routing Table: 2044
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: 8425
Number of LACNIC addresses announced to Internet: 175819520
Equivalent to 10 /8s, 122 /16s and 203 /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: 25975
Total AfriNIC prefixes after maximum aggregation: 5088
AfriNIC Deaggregation factor: 5.11
Prefixes being announced from the AfriNIC address blocks: 33460
Unique aggregates announced from the AfriNIC address blocks: 10830
AfriNIC Region origin ASes present in the Internet Routing Table: 1482
AfriNIC Prefixes per ASN: 22.58
AfriNIC Region origin ASes announcing only one prefix: 511
AfriNIC Region transit ASes present in the Internet Routing Table: 300
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 825
Number of AfriNIC addresses announced to Internet: 107482624
Equivalent to 6 /8s, 104 /16s and 14 /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 7572 9000 58 CMNET-GD Guangdong Mobile Communication
7545 5808 783 677 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4765 4192 74 ERX-CERNET-BKB China Education and Rese
7713 3528 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon
7552 3517 1330 20 VIETEL-AS-AP Viettel Group, VN
45899 2812 1897 55 VNPT-AS-VN VNPT Corp, VN
4766 2440 11120 567 KIXS-AS-KR Korea Telecom, KR
9498 2358 483 246 BBIL-AP BHARTI Airtel Ltd., IN
45090 2114 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C
4755 2113 437 190 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 5208 9531 2316 AMAZON-02, US
11492 4781 315 662 CABLEONE, US
7155 4027 264 32 VIASAT-SP-BACKBONE, US
22773 3963 3012 256 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3475 1782 2434 AKAMAI-AS, US
6327 3360 1317 69 SHAW, CA
30036 2580 372 123 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2531 5034 473 CENTURYLINK-US-LEGACY-QWEST, US
5972 2252 453 784 DNIC-ASBLK-05800-06055, US
20115 2169 2930 492 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 6753 1721 140 UNI2-AS, ES
20940 3650 3347 206 AKAMAI-ASN1, NL
39891 3267 187 22 ALJAWWALSTC-AS, SA
8551 3012 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2912 2283 897 ROSTELECOM-AS, RU
9009 2460 258 1315 M247, GB
34984 2218 357 595 TELLCOM-AS, TR
61317 1676 268 824 ASDETUK http://www.heficed.com, GB
13188 1610 100 27 TRIOLAN, UA
58224 1599 887 558 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 8526 3439 595 Uninet S.A. de C.V., MX
10620 3407 525 643 Telmex Colombia S.A., CO
11830 2509 369 62 Instituto Costarricense de Electricidad
13999 1747 430 460 Mega Cable, S.A. de C.V., MX
6503 1450 311 476 Axtel, S.A.B. de C.V., MX
28573 1425 2284 234 CLARO S.A., BR
3816 1239 650 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1115 374 31 Telefonica del Peru S.A.A., PE
26615 1039 2351 134 TIM S/A, BR
11664 1004 204 428 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 1644 393 22 LINKdotNET-AS, EG
24835 1457 498 30 RAYA-AS, EG
36992 1303 1489 266 ETISALAT-MISR, EG
36903 1183 537 110 MT-MPLS, MA
29571 746 68 11 ORANGE-COTE-IVOIRE, CI
6713 612 1863 34 IAM-AS, MA
36935 532 522 40 Vodafone-, EG
15399 493 49 25 WANANCHI-, KE
37342 482 32 1 MOVITEL, MZ
36914 411 82 3 KENET-AS, 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 8526 3439 595 Uninet S.A. de C.V., MX
9808 7572 9000 58 CMNET-GD Guangdong Mobile Communication
12479 6753 1721 140 UNI2-AS, ES
7545 5808 783 677 TPG-INTERNET-AP TPG Telecom Limited, AU
16509 5208 9531 2316 AMAZON-02, US
11492 4781 315 662 CABLEONE, US
4538 4765 4192 74 ERX-CERNET-BKB China Education and Rese
7155 4027 264 32 VIASAT-SP-BACKBONE, US
22773 3963 3012 256 ASN-CXA-ALL-CCI-22773-RDC, US
20940 3650 3347 206 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 7572 7514 CMNET-GD Guangdong Mobile Communication Co.Ltd.
12479 6753 6613 UNI2-AS, ES
7545 5808 5131 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4765 4691 ERX-CERNET-BKB China Education and Research Net
11492 4781 4119 CABLEONE, US
7155 4027 3995 VIASAT-SP-BACKBONE, US
22773 3963 3707 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3517 3497 VIETEL-AS-AP Viettel Group, VN
7713 3528 3472 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
20940 3650 3444 AKAMAI-ASN1, NL
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
23.142.80.0/24 Origin: 209319 IPV6ROUTING, US
Transit: 46573 LAYER-HOST, 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
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 /12:306
/13:589 /14:1193 /15:1995 /16:13474 /17:8328 /18:13958
/19:25406 /20:42341 /21:50327 /22:106782 /23:91446 /24:498315
/25:1372 /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 5714 6753 UNI2-AS, ES
11492 3807 4781 CABLEONE, US
6327 3167 3360 SHAW, CA
7155 3115 4027 VIASAT-SP-BACKBONE, US
8151 3051 8526 Uninet S.A. de C.V., MX
22773 2973 3963 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2803 3267 ALJAWWALSTC-AS, SA
8551 2477 3012 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2247 2580 MEDIACOM-ENTERPRISE-BUSINESS, US
11830 1933 2509 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)
----------------------------------------------
1:1887 2:1162 3:142 4:19 5:3559 6:74
7:5 8:1537 9:1 11:164 12:1742 13:364
14:2307 15:85 16:16 17:323 18:93 20:128
21:1 22:188 23:4802 24:2432 25:2 27:2530
29:19 31:2283 32:109 34:1 35:44 36:1587
37:3772 38:2175 39:624 40:160 41:3796 42:977
43:2077 44:260 45:15096 46:3715 47:382 49:1611
50:1803 51:101 52:1239 54:225 55:798 56:9
57:52 58:1740 59:1204 60:929 61:2332 62:2311
63:1965 64:5376 65:2375 66:5050 67:2896 68:1167
69:4081 70:1381 71:681 72:3160 74:2595 75:1490
76:698 77:2041 78:1713 79:2322 80:1861 81:1514
82:1373 83:1147 84:1289 85:2724 86:703 87:1822
88:969 89:3013 90:507 91:7344 92:1785 93:2546
94:3117 95:3530 96:1297 97:343 98:973 99:969
100:93 101:1013 102:1480 103:26243 104:3800 105:441
106:794 107:2243 108:727 109:3868 110:2011 111:3146
112:1912 113:1513 114:1449 115:1912 116:1900 117:2348
118:2381 119:1894 120:1448 121:1072 122:2512 123:2169
124:1589 125:2084 128:1312 129:1280 130:869 131:2020
132:749 133:358 134:1621 135:298 136:770 137:938
138:2373 139:1189 140:762 141:1199 142:1204 143:1300
144:1255 145:327 146:1470 147:1349 148:2200 149:1449
150:819 151:1084 152:1531 153:414 154:2643 155:1329
156:1603 157:1198 158:913 159:2017 160:2327 161:1181
162:3336 163:1061 164:1526 165:1414 166:612 167:1779
168:3672 169:703 170:4292 171:771 172:2459 173:2980
174:988 175:1085 176:3151 177:4363 178:2921 179:1879
180:2264 181:2632 182:3204 183:2085 184:2428 185:18414
186:4201 187:3082 188:3323 189:2838 190:8871 191:1413
192:10717 193:8235 194:6699 195:4792 196:2885 197:2333
198:6052 199:6026 200:7436 201:5242 202:10548 203:10104
204:4650 205:3362 206:3571 207:3422 208:4015 209:4705
210:4260 211:2313 212:3697 213:3475 214:1184 215:59
216:6254 217:2570 218:1201 219:707 220:2067 221:954
222:879 223:1950
End of report
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