[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 30 18:02:48 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 31 Jul, 2021
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 857160
Prefixes after maximum aggregation (per Origin AS): 324743
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 412110
Total ASes present in the Internet Routing Table: 71690
Prefixes per ASN: 11.96
Origin-only ASes present in the Internet Routing Table: 61629
Origin ASes announcing only one prefix: 25427
Transit ASes present in the Internet Routing Table: 10061
Transit-only ASes present in the Internet Routing Table: 331
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: 1040
Number of instances of unregistered ASNs: 1046
Number of 32-bit ASNs allocated by the RIRs: 36736
Number of 32-bit ASNs visible in the Routing Table: 30574
Prefixes from 32-bit ASNs in the Routing Table: 142126
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: 528
Number of addresses announced to Internet: 3038808832
Equivalent to 181 /8s, 32 /16s and 139 /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: 284669
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 230373
Total APNIC prefixes after maximum aggregation: 65950
APNIC Deaggregation factor: 3.49
Prefixes being announced from the APNIC address blocks: 225787
Unique aggregates announced from the APNIC address blocks: 90840
APNIC Region origin ASes present in the Internet Routing Table: 11788
APNIC Prefixes per ASN: 19.15
APNIC Region origin ASes announcing only one prefix: 3341
APNIC Region transit ASes present in the Internet Routing Table: 1674
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: 6964
Number of APNIC addresses announced to Internet: 773592576
Equivalent to 46 /8s, 28 /16s and 22 /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: 250889
Total ARIN prefixes after maximum aggregation: 114842
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 250634
Unique aggregates announced from the ARIN address blocks: 119385
ARIN Region origin ASes present in the Internet Routing Table: 18868
ARIN Prefixes per ASN: 13.28
ARIN Region origin ASes announcing only one prefix: 6848
ARIN Region transit ASes present in the Internet Routing Table: 1946
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: 4021
Number of ARIN addresses announced to Internet: 1269399168
Equivalent to 75 /8s, 169 /16s and 126 /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: 238390
Total RIPE prefixes after maximum aggregation: 111604
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 234763
Unique aggregates announced from the RIPE address blocks: 143747
RIPE Region origin ASes present in the Internet Routing Table: 28007
RIPE Prefixes per ASN: 8.38
RIPE Region origin ASes announcing only one prefix: 12040
RIPE Region transit ASes present in the Internet Routing Table: 3898
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: 10322
Number of RIPE addresses announced to Internet: 710916224
Equivalent to 42 /8s, 95 /16s and 184 /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: 110940
Total LACNIC prefixes after maximum aggregation: 26492
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 111992
Unique aggregates announced from the LACNIC address blocks: 47040
LACNIC Region origin ASes present in the Internet Routing Table: 10775
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: 2081
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 38
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8427
Number of LACNIC addresses announced to Internet: 175991808
Equivalent to 10 /8s, 125 /16s and 108 /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: 25525
Total AfriNIC prefixes after maximum aggregation: 5115
AfriNIC Deaggregation factor: 4.99
Prefixes being announced from the AfriNIC address blocks: 33456
Unique aggregates announced from the AfriNIC address blocks: 10632
AfriNIC Region origin ASes present in the Internet Routing Table: 1508
AfriNIC Prefixes per ASN: 22.19
AfriNIC Region origin ASes announcing only one prefix: 524
AfriNIC Region transit ASes present in the Internet Routing Table: 299
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 32
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 840
Number of AfriNIC addresses announced to Internet: 108503808
Equivalent to 6 /8s, 119 /16s and 163 /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 7584 9000 57 CMNET-GD Guangdong Mobile Communication
7545 5814 785 677 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4699 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3566 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3532 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 2800 1897 55 VNPT-AS-VN VNPT Corp, VN
4766 2465 11119 566 KIXS-AS-KR Korea Telecom, KR
9498 2358 483 245 BBIL-AP BHARTI Airtel Ltd., IN
45090 2125 1197 73 CNNIC-TENCENT-NET-AP Shenzhen Tencent C
4755 2108 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 5286 9550 2349 AMAZON-02, US
11492 4739 312 783 CABLEONE, US
7155 3986 264 32 VIASAT-SP-BACKBONE, US
22773 3973 3014 275 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3536 1821 2459 AKAMAI-AS, US
6327 3367 1317 68 SHAW, CA
30036 2586 375 173 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2532 5032 469 CENTURYLINK-US-LEGACY-QWEST, US
5972 2269 468 806 DNIC-ASBLK-05800-06055, US
20115 2248 3015 509 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 6767 1726 145 UNI2-AS, ES
20940 3728 3348 215 AKAMAI-ASN1, NL
39891 3267 187 22 ALJAWWALSTC-AS, SA
8551 2956 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2913 2283 897 ROSTELECOM-AS, RU
9009 2438 254 1300 M247, GB
34984 2219 357 595 TELLCOM-AS, TR
61317 1679 277 884 ASDETUK www.heficed.com, GB
58224 1616 888 562 TCI, IR
13188 1610 100 27 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 8615 3450 588 Uninet S.A. de C.V., MX
10620 3407 525 651 Telmex Colombia S.A., CO
11830 2508 369 62 Instituto Costarricense de Electricidad
13999 1768 409 474 Mega Cable, S.A. de C.V., MX
6503 1500 359 477 Axtel, S.A.B. de C.V., MX
28573 1442 2306 233 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 1090 2351 134 TIM SA, BR
11664 979 192 438 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 1506 393 22 LINKdotNET-AS, EG
24835 1458 499 30 RAYA-AS, EG
36992 1306 1489 267 ETISALAT-MISR, EG
36903 1183 537 110 MT-MPLS, MA
29571 734 68 11 ORANGE-COTE-IVOIRE, CI
6713 612 1863 34 IAM-AS, MA
36935 548 522 40 Vodafone-, EG
15399 500 49 27 WANANCHI-, KE
2018 328 319 74 TENET-1, ZA
24757 320 76 5 EthioNet-AS, ET
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 8615 3450 588 Uninet S.A. de C.V., MX
9808 7584 9000 57 CMNET-GD Guangdong Mobile Communication
12479 6767 1726 145 UNI2-AS, ES
7545 5814 785 677 TPG-INTERNET-AP TPG Telecom Limited, AU
16509 5286 9550 2349 AMAZON-02, US
11492 4739 312 783 CABLEONE, US
4538 4699 4192 74 ERX-CERNET-BKB China Education and Rese
7155 3986 264 32 VIASAT-SP-BACKBONE, US
22773 3973 3014 275 ASN-CXA-ALL-CCI-22773-RDC, US
20940 3728 3348 215 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 7584 7527 CMNET-GD Guangdong Mobile Communication Co.Ltd.
12479 6767 6622 UNI2-AS, ES
7545 5814 5137 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4699 4625 ERX-CERNET-BKB China Education and Research Net
11492 4739 3956 CABLEONE, US
7155 3986 3954 VIASAT-SP-BACKBONE, US
22773 3973 3698 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3566 3546 VIETEL-AS-AP Viettel Group, VN
20940 3728 3513 AKAMAI-ASN1, NL
7713 3532 3476 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
5.44.252.0/23 Origin: 5413 AS5413, GB
Transit: 2914 NTT-COMMUNICATIONS-2914, US
5.44.253.0/24 Origin: 58349 INNETRA-AS, GB
Transit: 174 COGENT-174, US
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
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 /8:16 /9:13 /10:41 /11:102 /12:305
/13:589 /14:1193 /15:2002 /16:13442 /17:8268 /18:13992
/19:25460 /20:42425 /21:50438 /22:106898 /23:91519 /24:499019
/25:1438 /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 5704 6767 UNI2-AS, ES
11492 3727 4739 CABLEONE, US
6327 3175 3367 SHAW, CA
8151 3120 8615 Uninet S.A. de C.V., MX
7155 3074 3986 VIASAT-SP-BACKBONE, US
22773 2969 3973 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2803 3267 ALJAWWALSTC-AS, SA
8551 2422 2956 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2238 2586 MEDIACOM-ENTERPRISE-BUSINESS, US
11830 1934 2508 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)
----------------------------------------------
1:1906 2:1118 3:141 4:20 5:3552 6:79
7:5 8:1533 9:1 11:164 12:1739 13:376
14:2278 15:94 16:16 17:328 18:104 20:124
21:1 22:188 23:4927 24:2411 25:2 27:2511
29:19 31:2313 32:111 34:1 35:47 36:1601
37:3767 38:2184 39:620 40:186 41:3760 42:970
43:2053 44:266 45:15303 46:3677 47:349 48:2
49:1617 50:1811 51:101 52:1238 54:215 55:691
56:9 57:53 58:1751 59:1203 60:933 61:2341
62:2296 63:1965 64:5371 65:2359 66:5005 67:2885
68:1168 69:4095 70:1365 71:681 72:3144 74:2602
75:1492 76:697 77:2015 78:1642 79:2291 80:1869
81:1515 82:1356 83:1138 84:1263 85:2718 86:701
87:1809 88:954 89:2993 90:502 91:7377 92:1806
93:2568 94:3108 95:3503 96:1291 97:340 98:976
99:968 100:93 101:1020 102:1560 103:26517 104:3877
105:431 106:800 107:2257 108:727 109:3871 110:2023
111:3144 112:1930 113:1432 114:1451 115:1884 116:1882
117:2348 118:2335 119:1880 120:1455 121:1067 122:2525
123:2177 124:1595 125:2068 128:1326 129:1319 130:888
131:1998 132:752 133:360 134:1641 135:302 136:786
137:940 138:2393 139:1194 140:770 141:1191 142:1230
143:1336 144:1264 145:320 146:1488 147:1375 148:2192
149:1476 150:820 151:1073 152:1623 153:421 154:2970
155:1347 156:1670 157:1211 158:968 159:2005 160:2321
161:1186 162:3381 163:1025 164:1527 165:1401 166:614
167:1797 168:3627 169:699 170:4275 171:794 172:2601
173:2967 174:1008 175:1090 176:3180 177:4368 178:2953
179:1921 180:2252 181:2620 182:3215 183:2031 184:2419
185:18625 186:4158 187:3156 188:3327 189:2891 190:8701
191:1375 192:10720 193:8263 194:6716 195:4817 196:2891
197:1881 198:6055 199:6005 200:7333 201:5211 202:10548
203:10087 204:4664 205:3350 206:3701 207:3375 208:4036
209:4710 210:4187 211:2333 212:3723 213:3464 214:1202
215:56 216:6320 217:2567 218:1202 219:696 220:1978
221:952 222:872 223:1963
End of report
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