[menog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jun 23 18:02:08 UTC 2023
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 24 Jun, 2023
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: 926756
Prefixes after maximum aggregation (per Origin AS): 351055
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 451294
Total ASes present in the Internet Routing Table: 74556
Prefixes per ASN: 12.43
Origin-only ASes present in the Internet Routing Table: 64018
Origin ASes announcing only one prefix: 26297
Transit ASes present in the Internet Routing Table: 10538
Transit-only ASes present in the Internet Routing Table: 439
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 52
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1011
Number of instances of unregistered ASNs: 1015
Number of 32-bit ASNs allocated by the RIRs: 42143
Number of 32-bit ASNs visible in the Routing Table: 34750
Prefixes from 32-bit ASNs in the Routing Table: 173096
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: 566
Number of addresses announced to Internet: 3055960832
Equivalent to 182 /8s, 38 /16s and 67 /24s
Percentage of available address space announced: 82.5
Percentage of allocated address space announced: 82.5
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: 309129
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 246375
Total APNIC prefixes after maximum aggregation: 69688
APNIC Deaggregation factor: 3.54
Prefixes being announced from the APNIC address blocks: 240356
Unique aggregates announced from the APNIC address blocks: 98626
APNIC Region origin ASes present in the Internet Routing Table: 13490
APNIC Prefixes per ASN: 17.82
APNIC Region origin ASes announcing only one prefix: 3986
APNIC Region transit ASes present in the Internet Routing Table: 1792
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8806
Number of APNIC addresses announced to Internet: 773910656
Equivalent to 46 /8s, 32 /16s and 240 /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, 131072-153913
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: 271252
Total ARIN prefixes after maximum aggregation: 123431
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 273839
Unique aggregates announced from the ARIN address blocks: 130833
ARIN Region origin ASes present in the Internet Routing Table: 19129
ARIN Prefixes per ASN: 14.32
ARIN Region origin ASes announcing only one prefix: 6993
ARIN Region transit ASes present in the Internet Routing Table: 1956
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4817
Number of ARIN addresses announced to Internet: 1279967232
Equivalent to 76 /8s, 74 /16s and 192 /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: 260071
Total RIPE prefixes after maximum aggregation: 122848
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 256267
Unique aggregates announced from the RIPE address blocks: 159393
RIPE Region origin ASes present in the Internet Routing Table: 28343
RIPE Prefixes per ASN: 9.04
RIPE Region origin ASes announcing only one prefix: 12035
RIPE Region transit ASes present in the Internet Routing Table: 3954
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11217
Number of RIPE addresses announced to Internet: 717362304
Equivalent to 42 /8s, 194 /16s and 20 /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: 118574
Total LACNIC prefixes after maximum aggregation: 28538
LACNIC Deaggregation factor: 4.15
Prefixes being announced from the LACNIC address blocks: 117689
Unique aggregates announced from the LACNIC address blocks: 49558
LACNIC Region origin ASes present in the Internet Routing Table: 11017
LACNIC Prefixes per ASN: 10.68
LACNIC Region origin ASes announcing only one prefix: 2672
LACNIC Region transit ASes present in the Internet Routing Table: 2304
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 52
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8808
Number of LACNIC addresses announced to Internet: 176947968
Equivalent to 10 /8s, 140 /16s and 3 /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: 29473
Total AfriNIC prefixes after maximum aggregation: 5832
AfriNIC Deaggregation factor: 5.05
Prefixes being announced from the AfriNIC address blocks: 38039
Unique aggregates announced from the AfriNIC address blocks: 12419
AfriNIC Region origin ASes present in the Internet Routing Table: 1751
AfriNIC Prefixes per ASN: 21.72
AfriNIC Region origin ASes announcing only one prefix: 611
AfriNIC Region transit ASes present in the Internet Routing Table: 326
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1102
Number of AfriNIC addresses announced to Internet: 107444224
Equivalent to 6 /8s, 103 /16s and 120 /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 9521 8706 40 CHINAMOBILE-CN China Mobile Communicati
7545 5677 784 695 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4857 4192 75 ERX-CERNET-BKB China Education and Rese
18403 4223 347 25 FPT-AS-AP FPT Telecom Company, VN
7713 3554 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3374 1856 96 VNPT-AS-VN VNPT Corp, VN
7552 3371 1331 21 VIETEL-AS-AP Viettel Group, VN
9498 3042 498 252 BBIL-AP BHARTI Airtel Ltd., IN
4766 2548 11253 584 KIXS-AS-KR Korea Telecom, KR
24560 2433 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
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 8558 10873 3156 AMAZON-02, US
11492 4514 299 625 CABLEONE, US
7155 4153 288 86 VIASAT-SP-BACKBONE, US
22773 3548 3053 268 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3524 1319 66 SHAW, CA
16625 3136 1560 2357 AKAMAI-AS, US
749 3125 54969 2377 DNIC-AS-00749, US
396982 2665 3594 377 GOOGLE-CLOUD-PLATFORM, US
30036 2511 362 395 MEDIACOM-ENTERPRISE-BUSINESS, US
7018 2452 24006 1557 ATT-INTERNET4, 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 7303 1706 141 UNI2-AS, ES
39891 4897 290 61 ALJAWWALSTC-AS, SA
20940 4098 3398 162 AKAMAI-ASN1, NL
8551 3463 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2967 2292 912 ROSTELECOM-AS, RU
9009 2661 247 1383 M247, RO
34984 2298 361 605 TELLCOM-AS, TR
6849 1926 307 17 UKRTELNET, UA
58224 1830 946 537 TCI, IR
61317 1644 110 1275 ASDETUK www.heficed.com, US
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 11445 3355 589 UNINET, MX
10620 3525 506 843 Telmex Colombia S.A., CO
13999 2370 354 631 Mega Cable, S.A. de C.V., MX
11830 2269 369 64 Instituto Costarricense de Electricidad
28573 1317 2323 241 Claro NXT Telecomunicacoes Ltda, BR
3816 1306 774 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6503 1305 344 512 Axtel, S.A.B. de C.V., MX
6147 1133 370 22 Telefonica del Peru S.A.A., PE
11664 1102 180 440 Techtel LMDS Comunicaciones Interactiva
26615 1037 2500 47 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 1581 393 19 LINKdotNET-AS, EG
24835 1536 533 27 RAYA-AS, EG
36992 1313 1518 282 ETISALAT-MISR, EG
36903 1242 550 99 MT-MPLS, MA
29571 1039 67 47 ORANGE-COTE-IVOIRE, CI
36935 917 520 42 Vodafone-, EG
6713 550 1861 34 IAM-AS, MA
15399 534 54 49 WANANCHI-, KE
24757 495 73 5 EthioNet-AS, ET
37342 478 32 1 MOVITEL, MZ
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 11445 3355 589 UNINET, MX
9808 9521 8706 40 CHINAMOBILE-CN China Mobile Communicati
16509 8558 10873 3156 AMAZON-02, US
12479 7303 1706 141 UNI2-AS, ES
7545 5677 784 695 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4897 290 61 ALJAWWALSTC-AS, SA
4538 4857 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4514 299 625 CABLEONE, US
18403 4223 347 25 FPT-AS-AP FPT Telecom Company, VN
7155 4153 288 86 VIASAT-SP-BACKBONE, US
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9521 9481 CHINAMOBILE-CN China Mobile Communications Grou
12479 7303 7162 UNI2-AS, ES
16509 8558 5402 AMAZON-02, US
7545 5677 4982 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4897 4836 ALJAWWALSTC-AS, SA
4538 4857 4782 ERX-CERNET-BKB China Education and Research Net
18403 4223 4198 FPT-AS-AP FPT Telecom Company, VN
7155 4153 4067 VIASAT-SP-BACKBONE, US
20940 4098 3936 AKAMAI-ASN1, NL
11492 4514 3889 CABLEONE, 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
33492 UNALLOCATED 8.6.184.0/23 33650 COMCAST-33650, 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
19695 UNALLOCATED 8.20.161.0/24 46887 LIGHTOWER, US
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US
396894 UNALLOCATED 8.28.201.0/24 46887 LIGHTOWER, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 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
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, US
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 /9:14 /10:39 /11:103 /12:300
/13:581 /14:1201 /15:2068 /16:13461 /17:8256 /18:13860
/19:25181 /20:44089 /21:51570 /22:110175 /23:98561 /24:556533
/25:748 /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 6391 7303 UNI2-AS, ES
8151 5378 11445 UNINET, MX
39891 3632 4897 ALJAWWALSTC-AS, SA
11492 3426 4514 CABLEONE, US
6327 3334 3524 SHAW, CA
7155 3111 4153 VIASAT-SP-BACKBONE, US
8551 2932 3463 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2614 3548 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2168 2511 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2084 3525 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2200 2:1322 3:215 4:5 5:4529 6:132
7:6 8:1539 9:1 11:172 12:1522 13:383
14:2313 15:302 16:192 17:372 18:468 20:262
21:4 22:188 23:6331 24:2600 25:6 27:2496
29:19 31:2510 32:81 34:22 35:114 36:1977
37:4673 38:4921 39:845 40:151 41:3931 42:2017
43:2331 44:307 45:16592 46:4316 47:377 49:1769
50:1877 51:585 52:1594 54:393 55:977 56:8
57:119 58:1890 59:1162 60:983 61:2530 62:2678
63:1915 64:5632 65:2315 66:5062 67:3065 68:1348
69:4137 70:1218 71:687 72:2990 74:2627 75:1565
76:617 77:2460 78:1827 79:3006 80:2115 81:1800
82:1497 83:1265 84:1531 85:3009 86:743 87:2010
88:1187 89:3756 90:616 91:7766 92:2047 93:2612
94:3608 95:4042 96:1314 97:336 98:1134 99:737
100:93 101:1080 102:2766 103:31635 104:4632 105:504
106:968 107:2577 108:1055 109:4205 110:2103 111:3176
112:2054 113:1797 114:1629 115:1980 116:1922 117:2524
118:2610 119:1985 120:1829 121:1138 122:2619 123:2181
124:1614 125:2507 128:1464 129:1056 130:1016 131:1967
132:816 133:422 134:1798 135:308 136:887 137:949
138:2566 139:1568 140:1263 141:1452 142:1452 143:1498
144:1126 145:340 146:1956 147:1584 148:2424 149:2223
150:880 151:1157 152:1843 153:491 154:4600 155:1415
156:1824 157:1312 158:1087 159:2268 160:2564 161:1554
162:3514 163:1548 164:1623 165:1838 166:1101 167:1714
168:3861 169:950 170:4595 171:899 172:3612 173:2970
174:1078 175:1184 176:3763 177:4586 178:3616 179:2110
180:2444 181:3488 182:3441 183:2074 184:2348 185:20407
186:4791 187:4005 188:4131 189:3686 190:9258 191:1439
192:10917 193:8925 194:7336 195:5166 196:3121 197:2389
198:5989 199:6096 200:7963 201:5939 202:10649 203:10293
204:4560 205:3695 206:4330 207:3457 208:4143 209:4934
210:4478 211:2525 212:4238 213:3625 214:1086 215:59
216:6694 217:2744 218:1296 219:582 220:1991 221:963
222:855 223:2203
End of report
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