[SANOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Sep 6 18:02:34 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 07 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: 959068
Prefixes after maximum aggregation (per Origin AS): 365188
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 464489
Number of IPv4 prefixes with a valid ROA: 496539
Number of IPv4 prefixes with an invalid ROA: 1541
Number of IPv4 prefixes with no ROA: 460988
Total ASes present in the Internet Routing Table: 76172
Prefixes per ASN: 12.59
Origin-only ASes present in the Internet Routing Table: 65237
Origin ASes announcing only one prefix: 26805
Transit ASes present in the Internet Routing Table: 10935
Transit-only ASes present in the Internet Routing Table: 530
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 71
Max AS path prepend of ASN ( 37447) 66
Prefixes from unregistered ASNs in the Routing Table: 1007
Number of instances of unregistered ASNs: 1017
Number of 32-bit ASNs allocated by the RIRs: 45322
Number of 32-bit ASNs visible in the Routing Table: 37037
Prefixes from 32-bit ASNs in the Routing Table: 192312
Number of bogon 32-bit ASNs visible in the Routing Table: 53
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 587
Number of addresses announced to Internet: 3035576064
Equivalent to 180 /8s, 239 /16s and 55 /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: 314029
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257505
Total APNIC prefixes after maximum aggregation: 75632
APNIC Deaggregation factor: 3.40
Prefixes being announced from the APNIC address blocks: 249205
Unique aggregates announced from the APNIC address blocks: 100757
APNIC Region origin ASes present in the Internet Routing Table: 14352
APNIC Prefixes per ASN: 17.36
APNIC Region origin ASes announcing only one prefix: 4373
APNIC Region transit ASes present in the Internet Routing Table: 1914
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9763
Number of APNIC addresses announced to Internet: 761919360
Equivalent to 45 /8s, 105 /16s and 247 /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: 279443
Total ARIN prefixes after maximum aggregation: 126059
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 283474
Unique aggregates announced from the ARIN address blocks: 135015
ARIN Region origin ASes present in the Internet Routing Table: 19155
ARIN Prefixes per ASN: 14.80
ARIN Region origin ASes announcing only one prefix: 6954
ARIN Region transit ASes present in the Internet Routing Table: 2002
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: 4987
Number of ARIN addresses announced to Internet: 1266942720
Equivalent to 75 /8s, 132 /16s and 3 /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: 266674
Total RIPE prefixes after maximum aggregation: 128424
RIPE Deaggregation factor: 2.08
Prefixes being announced from the RIPE address blocks: 262858
Unique aggregates announced from the RIPE address blocks: 166485
RIPE Region origin ASes present in the Internet Routing Table: 28716
RIPE Prefixes per ASN: 9.15
RIPE Region origin ASes announcing only one prefix: 12110
RIPE Region transit ASes present in the Internet Routing Table: 3982
Average RIPE Region AS path length visible: 5.5
Max RIPE Region AS path length visible: 43
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11989
Number of RIPE addresses announced to Internet: 723798144
Equivalent to 43 /8s, 36 /16s and 72 /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: 122531
Total LACNIC prefixes after maximum aggregation: 28009
LACNIC Deaggregation factor: 4.37
Prefixes being announced from the LACNIC address blocks: 120374
Unique aggregates announced from the LACNIC address blocks: 47465
LACNIC Region origin ASes present in the Internet Routing Table: 11158
LACNIC Prefixes per ASN: 10.79
LACNIC Region origin ASes announcing only one prefix: 2684
LACNIC Region transit ASes present in the Internet Routing Table: 2466
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: 178261760
Equivalent to 10 /8s, 160 /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: 31908
Total AfriNIC prefixes after maximum aggregation: 6418
AfriNIC Deaggregation factor: 4.97
Prefixes being announced from the AfriNIC address blocks: 42570
Unique aggregates announced from the AfriNIC address blocks: 14274
AfriNIC Region origin ASes present in the Internet Routing Table: 1876
AfriNIC Prefixes per ASN: 22.69
AfriNIC Region origin ASes announcing only one prefix: 684
AfriNIC Region transit ASes present in the Internet Routing Table: 363
Average AfriNIC Region AS path length visible: 6.0
Max AfriNIC Region AS path length visible: 71
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1237
Number of AfriNIC addresses announced to Internet: 104337920
Equivalent to 6 /8s, 56 /16s and 18 /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 9903 8747 80 CHINAMOBILE-CN China Mobile Communication
7545 5707 837 659 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4942 4192 74 ERX-CERNET-BKB China Education and Resear
18403 4262 347 23 FPT-AS-AP FPT Telecom Company, VN
7552 3937 1330 20 VIETEL-AS-AP Viettel Group, VN
9498 3789 508 261 BBIL-AP BHARTI Airtel Ltd., IN
7713 3643 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3258 1841 104 VNPT-AS-VN VNPT Corp, VN
24560 2797 831 481 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2269 11520 576 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 10665 11801 3762 AMAZON-02, US
11492 4639 308 547 CABLEONE, US
7155 4169 287 89 VIASAT-SP-BACKBONE, US
174 3903 8779 902 COGENT-174, US
6327 3602 1320 79 SHAW, CA
22773 3421 3035 187 ASN-CXA-ALL-CCI-22773-RDC, US
749 3242 54889 2494 DNIC-AS-00749, US
7018 3013 23680 1896 ATT-INTERNET4, US
16625 2854 1266 2129 AKAMAI-AS, US
396982 2802 3568 428 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 7662 1708 145 UNI2-AS, ES
39891 4466 269 55 ALJAWWALSTC-AS, SA
20940 3830 3395 130 AKAMAI-ASN1, NL
9009 3666 312 1857 M247, RO
12389 2936 2299 883 ROSTELECOM-AS, RU
34984 2333 359 584 TELLCOM-AS, TR
212238 1796 128 1323 CDNEXT, GB
8551 1777 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet
13188 1607 100 26 TRIOLAN, UA
8452 1580 1852 14 TE-AS TE-AS, EG
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 11733 3271 511 UNINET, MX
10620 3541 494 934 Telmex Colombia S.A., CO
13999 2547 629 22 Mega Cable, S.A. de C.V., MX
11830 2009 369 64 Instituto Costarricense de Electricidad y
28573 1337 2310 261 Claro NXT Telecomunicacoes Ltda, BR
3816 1316 774 204 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO
11664 1229 278 33 Techtel LMDS Comunicaciones Interactivas
6503 1148 374 163 Axtel, S.A.B. de C.V., MX
6147 1105 369 22 Telefonica del Peru S.A.A., PE
22884 1067 98 371 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 1622 593 29 RAYA-AS, EG
24863 1609 389 16 LINKdotNET-AS, EG
36992 1411 1519 282 ETISALAT-MISR, EG
29571 1334 84 68 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36935 932 521 42 Vodafone-, EG
6713 557 1861 35 IAM-AS, MA
36914 541 82 3 KENET-AS, KE
15399 511 57 58 WANANCHI-, KE
37342 425 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 11733 3271 511 UNINET, MX
16509 10665 11801 3762 AMAZON-02, US
9808 9903 8747 80 CHINAMOBILE-CN China Mobile Communication
12479 7662 1708 145 UNI2-AS, ES
7545 5707 837 659 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4942 4192 74 ERX-CERNET-BKB China Education and Resear
11492 4639 308 547 CABLEONE, US
39891 4466 269 55 ALJAWWALSTC-AS, SA
18403 4262 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 9903 9823 CHINAMOBILE-CN China Mobile Communications Grou
12479 7662 7517 UNI2-AS, ES
16509 10665 6903 AMAZON-02, US
7545 5707 5048 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4942 4868 ERX-CERNET-BKB China Education and Research Net
39891 4466 4411 ALJAWWALSTC-AS, SA
18403 4262 4239 FPT-AS-AP FPT Telecom Company, VN
11492 4639 4092 CABLEONE, US
7155 4169 4080 VIASAT-SP-BACKBONE, US
7552 3937 3917 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 /11:93 /12:295
/13:580 /14:1168 /15:2070 /16:13244 /17:8260 /18:13788
/19:24716 /20:44402 /21:52010 /22:111928 /23:100324 /24:585403
/25:718 /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 6718 7662 UNI2-AS, ES
8151 5867 11733 UNINET, MX
11492 3550 4639 CABLEONE, US
6327 3397 3602 SHAW, CA
39891 3356 4466 ALJAWWALSTC-AS, SA
7155 3113 4169 VIASAT-SP-BACKBONE, US
22773 2555 3421 ASN-CXA-ALL-CCI-22773-RDC, US
10620 2170 3541 Telmex Colombia S.A., CO
30036 2162 2500 MEDIACOM-ENTERPRISE-BUSINESS, US
16509 2145 10665 AMAZON-02, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2313 2:1522 3:454 4:6 5:4459 6:161
7:6 8:1517 9:1 11:172 12:1429 13:366
14:2412 15:327 16:259 17:362 18:879 20:408
21:4 22:188 23:6826 24:2680 25:2 27:2556
29:19 31:2695 32:47 34:66 35:139 36:2364
37:4521 38:8492 39:920 40:147 41:4067 42:1984
43:2444 44:332 45:17561 46:4649 47:298 49:1996
50:1864 51:574 52:1578 54:318 55:960 56:8
57:214 58:2252 59:1267 60:1063 61:2724 62:2788
63:1850 64:5464 65:2279 66:4653 67:3035 68:1338
69:4027 70:1146 71:563 72:2858 74:2676 75:1568
76:620 77:2532 78:1852 79:1809 80:2212 81:2002
82:1689 83:1372 84:1748 85:3173 86:981 87:2319
88:1253 89:4268 90:682 91:8220 92:2452 93:2729
94:3752 95:4273 96:1274 97:316 98:1062 99:737
100:73 101:1167 102:3379 103:32264 104:4371 105:700
106:992 107:2375 108:1169 109:4072 110:2136 111:3291
112:2059 113:1814 114:1893 115:2091 116:1983 117:2678
118:2869 119:1990 120:1826 121:1417 122:2706 123:2161
124:1635 125:2858 126:64 128:1405 129:944 130:1217
131:1845 132:822 133:428 134:1509 135:310 136:1205
137:1107 138:2839 139:1535 140:1451 141:1444 142:1730
143:1620 144:1032 145:365 146:2086 147:2034 148:2542
149:2822 150:1068 151:1358 152:2100 153:500 154:6449
155:1437 156:2459 157:1793 158:1185 159:2445 160:3044
161:1707 162:3557 163:1756 164:1685 165:2144 166:1306
167:1848 168:4043 169:801 170:4943 171:1053 172:3891
173:3084 174:903 175:1226 176:3446 177:4736 178:3599
179:2194 180:2457 181:3908 182:3323 183:2015 184:2253
185:21040 186:5014 187:4299 188:4089 189:4171 190:9616
191:1522 192:11067 193:9233 194:7504 195:5367 196:3169
197:2989 198:6048 199:8106 200:8123 201:6364 202:10512
203:10393 204:4600 205:3701 206:4547 207:3647 208:4185
209:5119 210:4785 211:2662 212:4419 213:3655 214:1059
215:49 216:6731 217:2944 218:1419 219:556 220:2035
221:1048 222:871 223:2260
End of report
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