[menog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Sep 9 18:03:00 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 10 Sep, 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: 909260
Prefixes after maximum aggregation (per Origin AS): 342376
Deaggregation factor: 2.66
Unique aggregates announced (without unneeded subnets): 439339
Total ASes present in the Internet Routing Table: 73642
Prefixes per ASN: 12.35
Origin-only ASes present in the Internet Routing Table: 63244
Origin ASes announcing only one prefix: 26032
Transit ASes present in the Internet Routing Table: 10398
Transit-only ASes present in the Internet Routing Table: 399
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 55
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 974
Number of instances of unregistered ASNs: 974
Number of 32-bit ASNs allocated by the RIRs: 40143
Number of 32-bit ASNs visible in the Routing Table: 33331
Prefixes from 32-bit ASNs in the Routing Table: 160214
Number of bogon 32-bit ASNs visible in the Routing Table: 7
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 510
Number of addresses announced to Internet: 3069022080
Equivalent to 182 /8s, 237 /16s and 143 /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: 308637
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 237518
Total APNIC prefixes after maximum aggregation: 67545
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 232440
Unique aggregates announced from the APNIC address blocks: 96417
APNIC Region origin ASes present in the Internet Routing Table: 12948
APNIC Prefixes per ASN: 17.95
APNIC Region origin ASes announcing only one prefix: 3752
APNIC Region transit ASes present in the Internet Routing Table: 1752
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8184
Number of APNIC addresses announced to Internet: 773537536
Equivalent to 46 /8s, 27 /16s and 63 /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: 264936
Total ARIN prefixes after maximum aggregation: 120942
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 265432
Unique aggregates announced from the ARIN address blocks: 128088
ARIN Region origin ASes present in the Internet Routing Table: 19052
ARIN Prefixes per ASN: 13.93
ARIN Region origin ASes announcing only one prefix: 6932
ARIN Region transit ASes present in the Internet Routing Table: 1914
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4606
Number of ARIN addresses announced to Internet: 1293459200
Equivalent to 77 /8s, 24 /16s and 159 /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: 260753
Total RIPE prefixes after maximum aggregation: 119679
RIPE Deaggregation factor: 2.18
Prefixes being announced from the RIPE address blocks: 257993
Unique aggregates announced from the RIPE address blocks: 153548
RIPE Region origin ASes present in the Internet Routing Table: 28190
RIPE Prefixes per ASN: 9.15
RIPE Region origin ASes announcing only one prefix: 12070
RIPE Region transit ASes present in the Internet Routing Table: 3992
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10804
Number of RIPE addresses announced to Internet: 717378944
Equivalent to 42 /8s, 194 /16s and 85 /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: 116719
Total LACNIC prefixes after maximum aggregation: 27901
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 116329
Unique aggregates announced from the LACNIC address blocks: 48967
LACNIC Region origin ASes present in the Internet Routing Table: 10978
LACNIC Prefixes per ASN: 10.60
LACNIC Region origin ASes announcing only one prefix: 2684
LACNIC Region transit ASes present in the Internet Routing Table: 2230
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: 8721
Number of LACNIC addresses announced to Internet: 176451584
Equivalent to 10 /8s, 132 /16s and 112 /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: 28360
Total AfriNIC prefixes after maximum aggregation: 5563
AfriNIC Deaggregation factor: 5.10
Prefixes being announced from the AfriNIC address blocks: 36556
Unique aggregates announced from the AfriNIC address blocks: 11882
AfriNIC Region origin ASes present in the Internet Routing Table: 1688
AfriNIC Prefixes per ASN: 21.66
AfriNIC Region origin ASes announcing only one prefix: 594
AfriNIC Region transit ASes present in the Internet Routing Table: 328
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 37
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1016
Number of AfriNIC addresses announced to Internet: 107912448
Equivalent to 6 /8s, 110 /16s and 157 /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 9089 8883 47 CHINAMOBILE-CN China Mobile Communicati
7545 5934 789 699 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4719 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3586 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3500 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3365 1870 59 VNPT-AS-VN VNPT Corp, VN
4766 2474 11124 601 KIXS-AS-KR Korea Telecom, KR
9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN
24560 2195 851 411 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
45090 2180 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 7069 10468 2825 AMAZON-02, US
11492 4577 303 535 CABLEONE, US
7155 3898 265 32 VIASAT-SP-BACKBONE, US
22773 3808 3067 355 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3511 1815 2525 AKAMAI-AS, US
6327 3472 1319 63 SHAW, CA
749 3033 50727 2291 DNIC-AS-00749, US
30036 2608 369 261 MEDIACOM-ENTERPRISE-BUSINESS, US
396982 2533 3387 365 GOOGLE-CLOUD-PLATFORM, US
209 2359 4936 404 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 6931 1730 144 UNI2-AS, ES
9121 6810 1692 17 TTNET, TR
20940 4058 3348 218 AKAMAI-ASN1, NL
39891 4010 234 47 ALJAWWALSTC-AS, SA
8551 3988 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2941 2290 910 ROSTELECOM-AS, RU
6849 2759 355 21 UKRTELNET, UA
9009 2607 252 1346 M247, GB
34984 2267 359 635 TELLCOM-AS, TR
47331 1971 310 1491 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 10925 3393 555 Uninet S.A. de C.V., MX
10620 3494 514 787 Telmex Colombia S.A., CO
11830 2329 369 64 Instituto Costarricense de Electricidad
13999 1985 323 508 Mega Cable, S.A. de C.V., MX
28573 1362 2328 264 Claro NXT Telecomunicacoes Ltda, BR
6503 1288 338 520 Axtel, S.A.B. de C.V., MX
3816 1276 701 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1134 369 21 Telefonica del Peru S.A.A., PE
11664 1057 179 466 Techtel LMDS Comunicaciones Interactiva
26615 978 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 1598 393 21 LINKdotNET-AS, EG
24835 1520 521 31 RAYA-AS, EG
36992 1348 1519 268 ETISALAT-MISR, EG
36903 1268 550 99 MT-MPLS, MA
29571 981 68 38 ORANGE-COTE-IVOIRE, CI
36935 810 520 42 Vodafone-, EG
6713 611 1863 34 IAM-AS, MA
15399 521 52 39 WANANCHI-, KE
37342 481 32 1 MOVITEL, MZ
23889 402 232 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 10925 3393 555 Uninet S.A. de C.V., MX
9808 9089 8883 47 CHINAMOBILE-CN China Mobile Communicati
16509 7069 10468 2825 AMAZON-02, US
12479 6931 1730 144 UNI2-AS, ES
9121 6810 1692 17 TTNET, TR
7545 5934 789 699 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4719 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4577 303 535 CABLEONE, US
20940 4058 3348 218 AKAMAI-ASN1, NL
39891 4010 234 47 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 9089 9042 CHINAMOBILE-CN China Mobile Communications Grou
9121 6810 6793 TTNET, TR
12479 6931 6787 UNI2-AS, ES
7545 5934 5235 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4719 4644 ERX-CERNET-BKB China Education and Research Net
16509 7069 4244 AMAZON-02, US
11492 4577 4042 CABLEONE, US
39891 4010 3963 ALJAWWALSTC-AS, SA
8551 3988 3950 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7155 3898 3866 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
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
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
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
23.133.251.0/24 Origin: 54681 RTT-BEACON, US
23.133.251.0/24 Transit: 62513 GOCODEIT-INC, 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
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 /12:298
/13:592 /14:1210 /15:2064 /16:13516 /17:8348 /18:13970
/19:25161 /20:44541 /21:52337 /22:109320 /23:97388 /24:539543
/25:803 /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
9121 5957 6810 TTNET, TR
12479 5918 6931 UNI2-AS, ES
8151 4658 10925 Uninet S.A. de C.V., MX
11492 3494 4577 CABLEONE, US
8551 3452 3988 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3282 3472 SHAW, CA
39891 3193 4010 ALJAWWALSTC-AS, SA
7155 2987 3898 VIASAT-SP-BACKBONE, US
22773 2823 3808 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)
----------------------------------------------
1:1954 2:1035 3:162 4:5 5:3880 6:116
7:6 8:1582 9:1 11:173 12:1631 13:337
14:2371 15:258 16:51 17:361 18:258 20:244
21:4 22:188 23:5927 24:2427 25:6 27:2658
29:19 31:2418 32:93 34:7 35:89 36:1854
37:4494 38:3511 39:738 40:155 41:3919 42:1144
43:2226 44:291 45:16163 46:4182 47:311 49:1703
50:1934 51:240 52:1486 54:384 55:767 56:8
57:62 58:1791 59:1163 60:982 61:2296 62:2554
63:1912 64:5597 65:2301 66:4888 67:2978 68:1207
69:4155 70:1304 71:684 72:3028 74:2643 75:1421
76:585 77:2266 78:3981 79:3131 80:2058 81:1799
82:1501 83:1207 84:1387 85:3707 86:730 87:1910
88:2813 89:3433 90:567 91:7643 92:2051 93:2544
94:3538 95:4784 96:1306 97:351 98:1032 99:721
100:75 101:1067 102:2327 103:29909 104:4553 105:472
106:891 107:2548 108:891 109:4325 110:2002 111:3333
112:2047 113:1544 114:1501 115:2012 116:1912 117:2481
118:2320 119:1825 120:1737 121:1078 122:2529 123:2099
124:1588 125:2149 128:1236 129:1026 130:1005 131:2049
132:823 133:377 134:1941 135:296 136:866 137:874
138:2519 139:1513 140:951 141:1464 142:1344 143:1414
144:1198 145:342 146:1853 147:1514 148:2215 149:1809
150:865 151:1085 152:1808 153:466 154:3831 155:1451
156:1746 157:1276 158:1040 159:2191 160:2530 161:1336
162:3505 163:1410 164:1641 165:1653 166:789 167:1751
168:3835 169:869 170:4532 171:847 172:3347 173:3119
174:1022 175:1148 176:3610 177:4755 178:3572 179:2166
180:2338 181:3260 182:3236 183:1934 184:2367 185:19662
186:4607 187:3894 188:4011 189:3447 190:9020 191:1457
192:10995 193:8666 194:7125 195:5072 196:2949 197:2463
198:5998 199:6032 200:7695 201:5796 202:10515 203:10033
204:4505 205:3465 206:3782 207:3438 208:4050 209:4719
210:4385 211:2399 212:4073 213:3472 214:1116 215:66
216:6377 217:2628 218:1291 219:567 220:2013 221:979
222:831 223:1993
End of report
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