[SANOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Apr 26 18:02:19 UTC 2024
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
UKNOF, 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 Apr, 2024
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: 945677
Prefixes after maximum aggregation (per Origin AS): 361558
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 461329
Total ASes present in the Internet Routing Table: 75744
Prefixes per ASN: 12.49
Origin-only ASes present in the Internet Routing Table: 64957
Origin ASes announcing only one prefix: 26638
Transit ASes present in the Internet Routing Table: 10787
Transit-only ASes present in the Internet Routing Table: 515
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: 1054
Number of instances of unregistered ASNs: 1056
Number of 32-bit ASNs allocated by the RIRs: 44273
Number of 32-bit ASNs visible in the Routing Table: 36321
Prefixes from 32-bit ASNs in the Routing Table: 185962
Number of bogon 32-bit ASNs visible in the Routing Table: 16
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 600
Number of addresses announced to Internet: 3028129152
Equivalent to 180 /8s, 125 /16s and 149 /24s
Percentage of available address space announced: 81.8
Percentage of allocated address space announced: 81.8
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: 311967
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 250709
Total APNIC prefixes after maximum aggregation: 73906
APNIC Deaggregation factor: 3.39
Prefixes being announced from the APNIC address blocks: 242790
Unique aggregates announced from the APNIC address blocks: 100697
APNIC Region origin ASes present in the Internet Routing Table: 14121
APNIC Prefixes per ASN: 17.19
APNIC Region origin ASes announcing only one prefix: 4280
APNIC Region transit ASes present in the Internet Routing Table: 1880
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 32
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9507
Number of APNIC addresses announced to Internet: 761371776
Equivalent to 45 /8s, 97 /16s and 156 /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: 275608
Total ARIN prefixes after maximum aggregation: 124937
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 280646
Unique aggregates announced from the ARIN address blocks: 133663
ARIN Region origin ASes present in the Internet Routing Table: 19144
ARIN Prefixes per ASN: 14.66
ARIN Region origin ASes announcing only one prefix: 6970
ARIN Region transit ASes present in the Internet Routing Table: 1980
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4891
Number of ARIN addresses announced to Internet: 1268586752
Equivalent to 75 /8s, 157 /16s and 25 /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, 393216-402332
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: 265665
Total RIPE prefixes after maximum aggregation: 126893
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 260334
Unique aggregates announced from the RIPE address blocks: 163822
RIPE Region origin ASes present in the Internet Routing Table: 28629
RIPE Prefixes per ASN: 9.09
RIPE Region origin ASes announcing only one prefix: 12121
RIPE Region transit ASes present in the Internet Routing Table: 3978
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11759
Number of RIPE addresses announced to Internet: 714824960
Equivalent to 42 /8s, 155 /16s and 93 /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
196608-216475
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: 121581
Total LACNIC prefixes after maximum aggregation: 28932
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 119777
Unique aggregates announced from the LACNIC address blocks: 49590
LACNIC Region origin ASes present in the Internet Routing Table: 11085
LACNIC Prefixes per ASN: 10.81
LACNIC Region origin ASes announcing only one prefix: 2614
LACNIC Region transit ASes present in the Internet Routing Table: 2392
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8960
Number of LACNIC addresses announced to Internet: 177147648
Equivalent to 10 /8s, 143 /16s and 15 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 31060
Total AfriNIC prefixes after maximum aggregation: 6200
AfriNIC Deaggregation factor: 5.01
Prefixes being announced from the AfriNIC address blocks: 41530
Unique aggregates announced from the AfriNIC address blocks: 13091
AfriNIC Region origin ASes present in the Internet Routing Table: 1841
AfriNIC Prefixes per ASN: 22.56
AfriNIC Region origin ASes announcing only one prefix: 653
AfriNIC Region transit ASes present in the Internet Routing Table: 360
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1204
Number of AfriNIC addresses announced to Internet: 105882112
Equivalent to 6 /8s, 79 /16s and 162 /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 9891 8744 68 CHINAMOBILE-CN China Mobile Communicati
7545 5668 777 678 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4938 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3881 1330 20 VIETEL-AS-AP Viettel Group, VN
9498 3610 500 257 BBIL-AP BHARTI Airtel Ltd., IN
7713 3584 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3288 1872 99 VNPT-AS-VN VNPT Corp, VN
24560 2781 863 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
4766 2308 11524 584 KIXS-AS-KR Korea Telecom, KR
4755 2197 434 195 TATACOMM-AS TATA Communications formerl
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 9805 11358 3507 AMAZON-02, US
11492 4597 305 618 CABLEONE, US
7155 4169 287 89 VIASAT-SP-BACKBONE, US
6327 3614 1320 79 SHAW, CA
22773 3506 3046 240 ASN-CXA-ALL-CCI-22773-RDC, US
174 3414 6630 840 COGENT-174, US
749 3200 54911 2452 DNIC-AS-00749, US
16625 3113 1323 2217 AKAMAI-AS, US
367 2820 3548 1345 DNIC-ASBLK-00306-00371, US
396982 2767 3639 415 GOOGLE-CLOUD-PLATFORM, 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 7709 1708 144 UNI2-AS, ES
39891 4741 285 59 ALJAWWALSTC-AS, SA
20940 3904 3396 132 AKAMAI-ASN1, NL
9009 3298 286 1620 M247, RO
12389 2771 2293 883 ROSTELECOM-AS, RU
8551 2626 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2347 363 584 TELLCOM-AS, TR
13188 1607 100 26 TRIOLAN, UA
8452 1563 1852 14 TE-AS TE-AS, EG
44477 1531 100 723 STARK-INDUSTRIES, GB
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 12384 3314 484 UNINET, MX
10620 3526 495 909 Telmex Colombia S.A., CO
13999 2540 351 661 Mega Cable, S.A. de C.V., MX
11830 2004 369 64 Instituto Costarricense de Electricidad
28573 1347 2313 251 Claro NXT Telecomunicacoes Ltda, BR
3816 1314 788 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 1165 176 433 Techtel LMDS Comunicaciones Interactiva
6503 1133 314 478 Axtel, S.A.B. de C.V., MX
6147 1104 369 22 Telefonica del Peru S.A.A., PE
22884 1071 114 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV,
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
24835 1549 545 28 RAYA-AS, EG
24863 1503 389 20 LINKdotNET-AS, EG
36992 1370 1519 282 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
29571 1203 76 65 ORANGE-COTE-IVOIRE, CI
36935 935 521 42 Vodafone-, EG
6713 556 1861 35 IAM-AS, MA
15399 531 55 54 WANANCHI-, KE
36914 486 82 3 KENET-AS, KE
24757 435 73 5 EthioNet-AS, ET
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 12384 3314 484 UNINET, MX
9808 9891 8744 68 CHINAMOBILE-CN China Mobile Communicati
16509 9805 11358 3507 AMAZON-02, US
12479 7709 1708 144 UNI2-AS, ES
7545 5668 777 678 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4938 4192 74 ERX-CERNET-BKB China Education and Rese
39891 4741 285 59 ALJAWWALSTC-AS, SA
11492 4597 305 618 CABLEONE, US
7155 4169 287 89 VIASAT-SP-BACKBONE, US
20940 3904 3396 132 AKAMAI-ASN1, NL
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9891 9823 CHINAMOBILE-CN China Mobile Communications Grou
12479 7709 7565 UNI2-AS, ES
16509 9805 6298 AMAZON-02, US
7545 5668 4990 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4938 4864 ERX-CERNET-BKB China Education and Research Net
39891 4741 4682 ALJAWWALSTC-AS, SA
7155 4169 4080 VIASAT-SP-BACKBONE, US
11492 4597 3979 CABLEONE, US
7552 3881 3861 VIETEL-AS-AP Viettel Group, VN
20940 3904 3772 AKAMAI-ASN1, NL
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
65536 DOCUMENT 5.102.30.0/24 65512 -Private Use AS-, ZZ
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 CROWNCASTLE-AS46887, US
396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.176.168.0/24 Origin: 17095 BUILDBUDDY-01, US
23.176.168.0/24 Transit: 36236 NETACTUATE, US
23.189.192.0/24 Origin: 27593 RESERVED, ZZ
23.189.192.0/24 Transit: 174 COGENT-174, US
27.0.192.0/22 Origin: 138415 YANCYLIMITED-AS-HK Yancy Limited, HK
27.0.192.0/22 Transit: 51847 NEAROUTE, HK
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 /10:37 /11:95 /12:298
/13:582 /14:1183 /15:2067 /16:13275 /17:8269 /18:13744
/19:24829 /20:43910 /21:51691 /22:111358 /23:98731 /24:574852
/25:726 /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 6820 7709 UNI2-AS, ES
8151 6426 12384 UNINET, MX
11492 3510 4597 CABLEONE, US
39891 3424 4741 ALJAWWALSTC-AS, SA
6327 3410 3614 SHAW, CA
7155 3113 4169 VIASAT-SP-BACKBONE, US
22773 2596 3506 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2153 2499 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2139 3526 Telmex Colombia S.A., CO
8551 2102 2626 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1653 2:1487 3:332 4:6 5:4528 6:163
7:6 8:1511 9:1 11:172 12:1458 13:365
14:2411 15:317 16:209 17:369 18:767 20:364
21:4 22:188 23:6760 24:2711 25:2 27:2568
29:19 31:2606 32:48 34:61 35:131 36:2294
37:4475 38:7352 39:893 40:122 41:4124 42:985
43:2382 44:314 45:17082 46:4460 47:306 49:1947
50:1925 51:573 52:1578 54:307 55:986 56:5
57:169 58:1922 59:1246 60:1031 61:2597 62:2694
63:1898 64:5522 65:2340 66:4678 67:2991 68:1337
69:4107 70:1190 71:576 72:2889 74:2600 75:1554
76:611 77:2470 78:1854 79:2510 80:2189 81:2008
82:1556 83:1335 84:1656 85:3140 86:848 87:2262
88:1243 89:4089 90:671 91:8102 92:2299 93:2684
94:3663 95:4132 96:1295 97:315 98:1043 99:741
100:74 101:1184 102:3166 103:32588 104:4860 105:656
106:945 107:2791 108:1111 109:4055 110:2148 111:3295
112:2070 113:1594 114:1798 115:2035 116:1897 117:2623
118:2392 119:1970 120:1807 121:1327 122:2688 123:2234
124:1626 125:2887 126:32 128:1483 129:937 130:1130
131:1832 132:804 133:410 134:1733 135:321 136:937
137:1066 138:2823 139:1557 140:1396 141:1367 142:1585
143:1477 144:1001 145:361 146:2053 147:1867 148:2497
149:2699 150:1035 151:1348 152:2050 153:524 154:6469
155:1460 156:2466 157:1753 158:1149 159:2322 160:2654
161:1657 162:3563 163:1700 164:1640 165:2122 166:1173
167:1790 168:3871 169:798 170:4828 171:1024 172:3837
173:3041 174:897 175:1204 176:3641 177:4683 178:3737
179:2221 180:2347 181:3719 182:3437 183:1808 184:2267
185:20753 186:5000 187:4451 188:4066 189:4161 190:9400
191:1466 192:10969 193:9094 194:7493 195:5260 196:3161
197:2476 198:6051 199:7717 200:7993 201:6319 202:10487
203:10176 204:4585 205:3790 206:4494 207:3540 208:4150
209:5061 210:4656 211:2581 212:4270 213:3439 214:1060
215:50 216:6773 217:2950 218:1359 219:579 220:2053
221:1033 222:883 223:2245
End of report
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