[menog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Aug 26 18:02:56 UTC 2022
This is an automated weekly mailing describing the state of the Global
IPv4 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 https://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
IPv4 Routing Table Report 04:00 +10GMT Sat 27 Aug, 2022
BGP Table (Global) as seen in Japan.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 907997
Prefixes after maximum aggregation (per Origin AS): 342169
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 438559
Total ASes present in the Internet Routing Table: 73597
Prefixes per ASN: 12.34
Origin-only ASes present in the Internet Routing Table: 63163
Origin ASes announcing only one prefix: 25995
Transit ASes present in the Internet Routing Table: 10434
Transit-only ASes present in the Internet Routing Table: 397
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 55
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 955
Number of instances of unregistered ASNs: 955
Number of 32-bit ASNs allocated by the RIRs: 40061
Number of 32-bit ASNs visible in the Routing Table: 33252
Prefixes from 32-bit ASNs in the Routing Table: 159101
Number of bogon 32-bit ASNs visible in the Routing Table: 12
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 507
Number of addresses announced to Internet: 3068908416
Equivalent to 182 /8s, 235 /16s and 211 /24s
Percentage of available address space announced: 82.9
Percentage of allocated address space announced: 82.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 308313
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 236904
Total APNIC prefixes after maximum aggregation: 67404
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 232031
Unique aggregates announced from the APNIC address blocks: 96215
APNIC Region origin ASes present in the Internet Routing Table: 12900
APNIC Prefixes per ASN: 17.99
APNIC Region origin ASes announcing only one prefix: 3733
APNIC Region transit ASes present in the Internet Routing Table: 1760
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8141
Number of APNIC addresses announced to Internet: 773150720
Equivalent to 46 /8s, 21 /16s and 88 /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, 131072-151865
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: 264812
Total ARIN prefixes after maximum aggregation: 120921
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 265108
Unique aggregates announced from the ARIN address blocks: 127764
ARIN Region origin ASes present in the Internet Routing Table: 19052
ARIN Prefixes per ASN: 13.91
ARIN Region origin ASes announcing only one prefix: 6908
ARIN Region transit ASes present in the Internet Routing Table: 1924
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4598
Number of ARIN addresses announced to Internet: 1293806848
Equivalent to 77 /8s, 29 /16s and 237 /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: 260499
Total RIPE prefixes after maximum aggregation: 119614
RIPE Deaggregation factor: 2.18
Prefixes being announced from the RIPE address blocks: 257730
Unique aggregates announced from the RIPE address blocks: 153353
RIPE Region origin ASes present in the Internet Routing Table: 28197
RIPE Prefixes per ASN: 9.14
RIPE Region origin ASes announcing only one prefix: 12080
RIPE Region transit ASes present in the Internet Routing Table: 4007
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10790
Number of RIPE addresses announced to Internet: 717358976
Equivalent to 42 /8s, 194 /16s and 7 /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: 116556
Total LACNIC prefixes after maximum aggregation: 27906
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 116195
Unique aggregates announced from the LACNIC address blocks: 48932
LACNIC Region origin ASes present in the Internet Routing Table: 10981
LACNIC Prefixes per ASN: 10.58
LACNIC Region origin ASes announcing only one prefix: 2682
LACNIC Region transit ASes present in the Internet Routing Table: 2228
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8712
Number of LACNIC addresses announced to Internet: 176412160
Equivalent to 10 /8s, 131 /16s and 214 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 28271
Total AfriNIC prefixes after maximum aggregation: 5579
AfriNIC Deaggregation factor: 5.07
Prefixes being announced from the AfriNIC address blocks: 36426
Unique aggregates announced from the AfriNIC address blocks: 11861
AfriNIC Region origin ASes present in the Internet Routing Table: 1683
AfriNIC Prefixes per ASN: 21.64
AfriNIC Region origin ASes announcing only one prefix: 592
AfriNIC Region transit ASes present in the Internet Routing Table: 326
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 32
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1011
Number of AfriNIC addresses announced to Internet: 107891712
Equivalent to 6 /8s, 110 /16s and 76 /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 9115 8883 47 CHINAMOBILE-CN China Mobile Communicati
7545 5924 789 698 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4713 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3511 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3377 1877 67 VNPT-AS-VN VNPT Corp, VN
4766 2502 11125 603 KIXS-AS-KR Korea Telecom, KR
9498 2426 499 238 BBIL-AP BHARTI Airtel Ltd., IN
24560 2191 851 407 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
45090 2181 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 6891 10410 2720 AMAZON-02, US
11492 4536 301 579 CABLEONE, US
7155 3906 265 32 VIASAT-SP-BACKBONE, US
22773 3818 3064 353 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3471 1790 2503 AKAMAI-AS, US
6327 3451 1319 63 SHAW, CA
749 3036 50728 2294 DNIC-AS-00749, US
30036 2607 370 242 MEDIACOM-ENTERPRISE-BUSINESS, US
396982 2529 3387 364 GOOGLE-CLOUD-PLATFORM, US
209 2366 4936 407 CENTURYLINK-US-LEGACY-QWEST, US
Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 6874 1730 144 UNI2-AS, ES
9121 6615 1692 17 TTNET, TR
20940 4065 3348 219 AKAMAI-ASN1, NL
39891 4006 234 46 ALJAWWALSTC-AS, SA
8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2940 2290 910 ROSTELECOM-AS, RU
6849 2759 355 21 UKRTELNET, UA
9009 2592 252 1331 M247, GB
34984 2265 359 632 TELLCOM-AS, TR
47331 2066 324 1565 TTNET, TR
Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 10786 3393 557 Uninet S.A. de C.V., MX
10620 3506 516 778 Telmex Colombia S.A., CO
11830 2342 369 64 Instituto Costarricense de Electricidad
13999 1975 321 505 Mega Cable, S.A. de C.V., MX
28573 1359 2327 267 Claro NXT Telecomunicacoes Ltda, BR
6503 1288 338 520 Axtel, S.A.B. de C.V., MX
3816 1273 699 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1129 369 21 Telefonica del Peru S.A.A., PE
11664 1054 180 468 Techtel LMDS Comunicaciones Interactiva
26615 979 2466 43 TIM SA, BR
Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 1602 393 21 LINKdotNET-AS, EG
24835 1546 521 31 RAYA-AS, EG
36992 1324 1519 268 ETISALAT-MISR, EG
36903 1268 550 99 MT-MPLS, MA
29571 991 67 42 ORANGE-COTE-IVOIRE, CI
36935 810 520 42 Vodafone-, EG
6713 612 1863 34 IAM-AS, MA
15399 520 52 39 WANANCHI-, KE
37342 481 32 1 MOVITEL, MZ
23889 401 232 16 MauritiusTelecom, MU
Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 10786 3393 557 Uninet S.A. de C.V., MX
9808 9115 8883 47 CHINAMOBILE-CN China Mobile Communicati
16509 6891 10410 2720 AMAZON-02, US
12479 6874 1730 144 UNI2-AS, ES
9121 6615 1692 17 TTNET, TR
7545 5924 789 698 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4713 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4536 301 579 CABLEONE, US
20940 4065 3348 219 AKAMAI-ASN1, NL
39891 4006 234 46 ALJAWWALSTC-AS, SA
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9115 9068 CHINAMOBILE-CN China Mobile Communications Grou
12479 6874 6730 UNI2-AS, ES
9121 6615 6598 TTNET, TR
7545 5924 5226 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4713 4638 ERX-CERNET-BKB China Education and Research Net
16509 6891 4171 AMAZON-02, US
39891 4006 3960 ALJAWWALSTC-AS, SA
8551 3999 3960 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 4536 3957 CABLEONE, US
7155 3906 3874 VIASAT-SP-BACKBONE, US
Complete listing at https://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
398083 UNALLOCATED 5.133.124.0/24 399587 UT, US
33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
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 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US
18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US
394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US
Complete listing at https://thyme.apnic.net/current/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at https://thyme.apnic.net/current/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.128.80.0/24 Origin: 397372 UNASSIGNED
23.128.80.0/24 Transit: 577 BACOM, CA
23.141.0.0/24 Origin: 395350 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
27.100.7.0/24 Origin: 56096 UNASSIGNED
27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
41.57.124.0/22 Origin: 37442 UNASSIGNED
41.57.124.0/22 Transit: 37204 TELONE, ZW
41.57.124.0/23 Origin: 37442 UNASSIGNED
41.57.124.0/23 Transit: 37204 TELONE, ZW
Complete listing at https://thyme.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 /10:39 /11:101 /12:299
/13:595 /14:1209 /15:2063 /16:13519 /17:8346 /18:13954
/19:25154 /20:44494 /21:52330 /22:109246 /23:97257 /24:538558
/25:804 /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 5862 6874 UNI2-AS, ES
9121 5772 6615 TTNET, TR
8151 4533 10786 Uninet S.A. de C.V., MX
8551 3457 3999 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3453 4536 CABLEONE, US
6327 3261 3451 SHAW, CA
39891 3189 4006 ALJAWWALSTC-AS, SA
7155 2995 3906 VIASAT-SP-BACKBONE, US
22773 2832 3818 ASN-CXA-ALL-CCI-22773-RDC, US
6849 2616 2759 UKRTELNET, UA
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1969 2:1026 3:157 4:5 5:3860 6:115
7:6 8:1592 9:1 11:173 12:1647 13:334
14:2368 15:244 16:47 17:377 18:197 20:243
21:4 22:188 23:5896 24:2427 25:6 27:2631
29:19 31:2414 32:95 34:7 35:87 36:1847
37:4478 38:3448 39:723 40:148 41:3939 42:1144
43:2219 44:288 45:16137 46:4169 47:330 49:1711
50:1953 51:239 52:1469 54:384 55:843 56:8
57:60 58:1793 59:1164 60:975 61:2291 62:2547
63:1924 64:5576 65:2364 66:4873 67:2963 68:1207
69:4157 70:1315 71:681 72:3026 74:2643 75:1403
76:590 77:2262 78:3955 79:3125 80:2032 81:1777
82:1490 83:1211 84:1380 85:3725 86:738 87:1908
88:2802 89:3405 90:547 91:7646 92:2042 93:2546
94:3529 95:4801 96:1298 97:351 98:1025 99:721
100:77 101:1060 102:2254 103:29750 104:4562 105:469
106:888 107:2548 108:880 109:4328 110:2010 111:3339
112:2056 113:1540 114:1489 115:2013 116:1913 117:2481
118:2323 119:1819 120:1795 121:1078 122:2525 123:2081
124:1580 125:2144 128:1225 129:1043 130:1013 131:2051
132:813 133:378 134:1937 135:299 136:856 137:877
138:2504 139:1510 140:944 141:1454 142:1337 143:1410
144:1197 145:341 146:1857 147:1514 148:2242 149:1785
150:865 151:1079 152:1874 153:465 154:3702 155:1453
156:1739 157:1270 158:1042 159:2197 160:2513 161:1335
162:3505 163:1381 164:1636 165:1634 166:782 167:1763
168:3811 169:881 170:4516 171:844 172:3330 173:3143
174:1023 175:1145 176:3625 177:4753 178:3577 179:2219
180:2343 181:3244 182:3237 183:1936 184:2374 185:19638
186:4536 187:3886 188:3990 189:3434 190:9090 191:1447
192:10978 193:8686 194:7100 195:5065 196:2959 197:2428
198:6009 199:6025 200:7633 201:5748 202:10489 203:10024
204:4519 205:3436 206:3764 207:3441 208:4054 209:4710
210:4362 211:2404 212:4071 213:3477 214:1122 215:66
216:6385 217:2638 218:1290 219:573 220:2011 221:951
222:827 223:1987
End of report
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