[SANOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Sep 13 18:02:36 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 14 Sep, 2024
IPv4 BGP Table (Global) as seen at Japan.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 959790
Prefixes after maximum aggregation (per Origin AS): 365814
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 466039
Number of IPv4 prefixes with a valid ROA: 401333
Number of IPv4 prefixes with an invalid ROA: 1266
Number of IPv4 prefixes with no ROA: 557191
Total ASes present in the Internet Routing Table: 76206
Prefixes per ASN: 12.59
Origin-only ASes present in the Internet Routing Table: 65246
Origin ASes announcing only one prefix: 26829
Transit ASes present in the Internet Routing Table: 10960
Transit-only ASes present in the Internet Routing Table: 534
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 84
Max AS path prepend of ASN (152107) 80
Prefixes from unregistered ASNs in the Routing Table: 995
Number of instances of unregistered ASNs: 1005
Number of 32-bit ASNs allocated by the RIRs: 45348
Number of 32-bit ASNs visible in the Routing Table: 37070
Prefixes from 32-bit ASNs in the Routing Table: 192329
Number of bogon 32-bit ASNs visible in the Routing Table: 47
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 571
Number of addresses announced to Internet: 3034664704
Equivalent to 180 /8s, 225 /16s and 79 /24s
Percentage of available address space announced: 82.0
Percentage of allocated address space announced: 82.0
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: 313926
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257564
Total APNIC prefixes after maximum aggregation: 75593
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 249208
Unique aggregates announced from the APNIC address blocks: 100738
APNIC Region origin ASes present in the Internet Routing Table: 14350
APNIC Prefixes per ASN: 17.37
APNIC Region origin ASes announcing only one prefix: 4370
APNIC Region transit ASes present in the Internet Routing Table: 1912
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 84
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9765
Number of APNIC addresses announced to Internet: 762166912
Equivalent to 45 /8s, 109 /16s and 190 /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: 279829
Total ARIN prefixes after maximum aggregation: 126061
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 283753
Unique aggregates announced from the ARIN address blocks: 135048
ARIN Region origin ASes present in the Internet Routing Table: 19157
ARIN Prefixes per ASN: 14.81
ARIN Region origin ASes announcing only one prefix: 6964
ARIN Region transit ASes present in the Internet Routing Table: 2006
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 28
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5001
Number of ARIN addresses announced to Internet: 1266977280
Equivalent to 75 /8s, 132 /16s and 138 /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: 266620
Total RIPE prefixes after maximum aggregation: 128727
RIPE Deaggregation factor: 2.07
Prefixes being announced from the RIPE address blocks: 262945
Unique aggregates announced from the RIPE address blocks: 166902
RIPE Region origin ASes present in the Internet Routing Table: 28737
RIPE Prefixes per ASN: 9.15
RIPE Region origin ASes announcing only one prefix: 12126
RIPE Region transit ASes present in the Internet Routing Table: 3980
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 43
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11999
Number of RIPE addresses announced to Internet: 723305088
Equivalent to 43 /8s, 28 /16s and 194 /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: 122573
Total LACNIC prefixes after maximum aggregation: 28363
LACNIC Deaggregation factor: 4.32
Prefixes being announced from the LACNIC address blocks: 120390
Unique aggregates announced from the LACNIC address blocks: 48507
LACNIC Region origin ASes present in the Internet Routing Table: 11157
LACNIC Prefixes per ASN: 10.79
LACNIC Region origin ASes announcing only one prefix: 2686
LACNIC Region transit ASes present in the Internet Routing Table: 2485
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 61
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9061
Number of LACNIC addresses announced to Internet: 177722880
Equivalent to 10 /8s, 151 /16s and 214 /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: 32209
Total AfriNIC prefixes after maximum aggregation: 6428
AfriNIC Deaggregation factor: 5.01
Prefixes being announced from the AfriNIC address blocks: 42923
Unique aggregates announced from the AfriNIC address blocks: 14368
AfriNIC Region origin ASes present in the Internet Routing Table: 1880
AfriNIC Prefixes per ASN: 22.83
AfriNIC Region origin ASes announcing only one prefix: 683
AfriNIC Region transit ASes present in the Internet Routing Table: 367
Average AfriNIC Region AS path length visible: 6.0
Max AfriNIC Region AS path length visible: 30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1244
Number of AfriNIC addresses announced to Internet: 104182784
Equivalent to 6 /8s, 53 /16s and 180 /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 9947 8747 80 CHINAMOBILE-CN China Mobile Communication
7545 5706 840 658 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4949 4192 74 ERX-CERNET-BKB China Education and Resear
18403 4298 347 23 FPT-AS-AP FPT Telecom Company, VN
7552 3976 1331 21 VIETEL-AS-AP Viettel Group, VN
9498 3789 508 261 BBIL-AP BHARTI Airtel Ltd., IN
7713 3617 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3261 1841 105 VNPT-AS-VN VNPT Corp, VN
24560 2808 841 467 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2273 11520 578 KIXS-AS-KR Korea Telecom, KR
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 10716 11807 3745 AMAZON-02, US
11492 4642 308 545 CABLEONE, US
7155 4169 287 89 VIASAT-SP-BACKBONE, US
174 3924 8780 906 COGENT-174, US
6327 3602 1320 79 SHAW, CA
749 3484 55080 2707 DNIC-AS-00749, US
22773 3423 3035 187 ASN-CXA-ALL-CCI-22773-RDC, US
7018 3085 23684 1932 ATT-INTERNET4, US
16625 2856 1268 2131 AKAMAI-AS, US
396982 2814 3570 432 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 7637 1708 145 UNI2-AS, ES
39891 4466 269 55 ALJAWWALSTC-AS, SA
20940 3826 3395 129 AKAMAI-ASN1, NL
9009 3672 313 1863 M247, RO
12389 2938 2295 888 ROSTELECOM-AS, RU
34984 2334 359 585 TELLCOM-AS, TR
212238 1810 129 1333 CDNEXT, GB
13188 1607 100 26 TRIOLAN, UA
8452 1580 1852 14 TE-AS TE-AS, EG
62240 1409 93 672 CLOUVIDER Clouvider - Global ASN, 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 11692 3251 496 UNINET, MX
10620 3543 494 935 Telmex Colombia S.A., CO
13999 2552 534 364 Mega Cable, S.A. de C.V., MX
11830 2009 369 64 Instituto Costarricense de Electricidad y
28573 1339 2309 261 Claro NXT Telecomunicacoes Ltda, BR
3816 1317 776 204 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO
11664 1180 278 33 Techtel LMDS Comunicaciones Interactivas
6503 1149 374 163 Axtel, S.A.B. de C.V., MX
6147 1103 369 22 Telefonica del Peru S.A.A., PE
22884 1068 96 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
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 1611 593 29 RAYA-AS, EG
24863 1598 389 18 LINKdotNET-AS, EG
36992 1411 1519 282 ETISALAT-MISR, EG
29571 1336 85 65 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36935 953 523 48 Vodafone-, EG
6713 557 1861 35 IAM-AS, MA
36914 545 82 3 KENET-AS, KE
15399 512 57 58 WANANCHI-, KE
24757 438 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 11692 3251 496 UNINET, MX
16509 10716 11807 3745 AMAZON-02, US
9808 9947 8747 80 CHINAMOBILE-CN China Mobile Communication
12479 7637 1708 145 UNI2-AS, ES
7545 5706 840 658 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4949 4192 74 ERX-CERNET-BKB China Education and Resear
11492 4642 308 545 CABLEONE, US
39891 4466 269 55 ALJAWWALSTC-AS, SA
18403 4298 347 23 FPT-AS-AP FPT Telecom Company, VN
7155 4169 287 89 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 9947 9867 CHINAMOBILE-CN China Mobile Communications Grou
12479 7637 7492 UNI2-AS, ES
16509 10716 6971 AMAZON-02, US
7545 5706 5048 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4949 4875 ERX-CERNET-BKB China Education and Research Net
39891 4466 4411 ALJAWWALSTC-AS, SA
18403 4298 4275 FPT-AS-AP FPT Telecom Company, VN
11492 4642 4097 CABLEONE, US
7155 4169 4080 VIASAT-SP-BACKBONE, US
7552 3976 3955 VIETEL-AS-AP Viettel Group, VN
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
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D
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
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
54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.38.73.0/24 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
14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US
14.192.20.0/22 Transit: 6939 HURRICANE, US
23.137.192.0/24 Origin: 31798 DATACITY, CA
23.137.192.0/24 Transit: 21949 BEANFIELD, CA
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
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US
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 /9:16 /10:37 /11:92 /12:295
/13:575 /14:1167 /15:2070 /16:13236 /17:8267 /18:13752
/19:24653 /20:44583 /21:52038 /22:111939 /23:100376 /24:585962
/25:716 /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 6692 7637 UNI2-AS, ES
8151 5861 11692 UNINET, MX
11492 3553 4642 CABLEONE, US
6327 3397 3602 SHAW, CA
39891 3356 4466 ALJAWWALSTC-AS, SA
7155 3113 4169 VIASAT-SP-BACKBONE, US
22773 2558 3423 ASN-CXA-ALL-CCI-22773-RDC, US
10620 2172 3543 Telmex Colombia S.A., CO
30036 2163 2501 MEDIACOM-ENTERPRISE-BUSINESS, US
16509 2162 10716 AMAZON-02, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2309 2:1523 3:470 4:7 5:4482 6:161
7:6 8:1514 9:1 11:172 12:1428 13:375
14:2409 15:328 16:259 17:361 18:884 20:408
21:4 22:188 23:6858 24:2679 25:2 27:2573
29:19 31:2727 32:47 34:66 35:139 36:2370
37:4498 38:8535 39:916 40:150 41:4116 42:1983
43:2450 44:332 45:17538 46:4609 47:298 49:1997
50:1877 51:574 52:1581 54:316 55:957 56:8
57:216 58:2249 59:1267 60:1065 61:2731 62:2777
63:1850 64:5436 65:2277 66:4666 67:3028 68:1342
69:4004 70:1144 71:566 72:2856 74:2669 75:1568
76:622 77:2536 78:1857 79:1568 80:2209 81:2022
82:1687 83:1373 84:1763 85:3167 86:995 87:2331
88:1251 89:4311 90:681 91:8229 92:2491 93:2763
94:3777 95:4278 96:1274 97:316 98:1067 99:737
100:73 101:1166 102:3376 103:32302 104:4377 105:705
106:993 107:2383 108:1168 109:3950 110:2134 111:3296
112:2059 113:1820 114:1896 115:2094 116:1987 117:2676
118:2871 119:1981 120:1833 121:1416 122:2712 123:2163
124:1636 125:2854 126:64 128:1405 129:943 130:1222
131:1858 132:826 133:428 134:1513 135:310 136:1199
137:1103 138:2849 139:1519 140:1448 141:1448 142:1742
143:1616 144:1027 145:366 146:2093 147:2039 148:2542
149:2806 150:1068 151:1368 152:2104 153:502 154:6536
155:1437 156:2451 157:1807 158:1191 159:2451 160:3069
161:1707 162:3558 163:1761 164:1693 165:2143 166:1314
167:1853 168:4064 169:805 170:4945 171:1049 172:3910
173:3096 174:904 175:1233 176:3460 177:4795 178:3599
179:2182 180:2457 181:3897 182:3321 183:2040 184:2253
185:21055 186:5023 187:4270 188:4120 189:4141 190:9616
191:1495 192:11073 193:9244 194:7544 195:5402 196:3230
197:2997 198:6051 199:8109 200:8200 201:6358 202:10526
203:10370 204:4611 205:3696 206:4528 207:3645 208:4190
209:5133 210:4777 211:2664 212:4437 213:3671 214:1060
215:63 216:6703 217:2947 218:1413 219:556 220:2034
221:1047 222:874 223:2259
End of report
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