[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Brisbane) (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jul 15 21:13:31 UTC 2025
IPv4 R&E Routing Table Report 21:10 GMT Tue 15 Jul, 2025
IPv4 BGP Table (Global) as seen at AARNET (Brisbane).
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/
Analysis Summary
----------------
BGP routing table entries examined: 986771
Prefixes after maximum aggregation (per Origin AS): 383002
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 486385
Number of IPv4 prefixes with a valid ROA: 554644
Number of IPv4 prefixes with an invalid ROA: 143
Number of IPv4 prefixes with no ROA: 431984
Total ASes present in the Internet Routing Table: 76970
Prefixes per ASN: 12.82
Origin-only ASes present in the Internet Routing Table: 65910
Origin ASes announcing only one prefix: 26906
Transit ASes present in the Internet Routing Table: 11060
Transit-only ASes present in the Internet Routing Table: 568
Paths with bogon ASNs present in the IPv4 Routing Table: 27
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 52
Max AS path prepend of ASN ( 7438) 33
Prefixes from unregistered ASNs in the Routing Table: 1113
Number of instances of unregistered ASNs: 1149
Number of 32-bit ASNs allocated by the RIRs: 46832
Number of 32-bit ASNs visible in the Routing Table: 38549
Prefixes from 32-bit ASNs in the Routing Table: 205182
Number of bogon 32-bit ASNs visible in the Routing Table: 99
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 476
Number of addresses announced to Internet: 3106043392
Equivalent to 185 /8s, 34 /16s and 118 /24s
Percentage of available address space announced: 83.9
Percentage of allocated address space announced: 83.9
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: 322287
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 261042
Total APNIC prefixes after maximum aggregation: 77873
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 251947
Unique aggregates announced from the APNIC address blocks: 105153
APNIC Region origin ASes present in the Internet Routing Table: 14701
APNIC Prefixes per ASN: 17.14
APNIC Region origin ASes announcing only one prefix: 4494
APNIC Region transit ASes present in the Internet Routing Table: 1982
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10239
Number of APNIC addresses announced to Internet: 749126144
Equivalent to 44 /8s, 166 /16s and 194 /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, 131072-155961
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: 290872
Total ARIN prefixes after maximum aggregation: 132013
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 292852
Unique aggregates announced from the ARIN address blocks: 140836
ARIN Region origin ASes present in the Internet Routing Table: 19208
ARIN Prefixes per ASN: 15.25
ARIN Region origin ASes announcing only one prefix: 7023
ARIN Region transit ASes present in the Internet Routing Table: 1992
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5248
Number of ARIN addresses announced to Internet: 1349428224
Equivalent to 80 /8s, 110 /16s and 164 /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, 45/8, 47/8, 48/8, 50/8, 52/8,
54/8, 55/8, 56/8, 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: 276415
Total RIPE prefixes after maximum aggregation: 135870
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 275282
Unique aggregates announced from the RIPE address blocks: 176968
RIPE Region origin ASes present in the Internet Routing Table: 28936
RIPE Prefixes per ASN: 9.51
RIPE Region origin ASes announcing only one prefix: 12046
RIPE Region transit ASes present in the Internet Routing Table: 3987
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12548
Number of RIPE addresses announced to Internet: 731524352
Equivalent to 43 /8s, 154 /16s and 45 /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,
53/8, 57/8, 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: 124058
Total LACNIC prefixes after maximum aggregation: 29756
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 120393
Unique aggregates announced from the LACNIC address blocks: 49150
LACNIC Region origin ASes present in the Internet Routing Table: 11267
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2652
LACNIC Region transit ASes present in the Internet Routing Table: 2532
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 36
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9229
Number of LACNIC addresses announced to Internet: 171010304
Equivalent to 10 /8s, 49 /16s and 105 /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: 33271
Total AfriNIC prefixes after maximum aggregation: 6740
AfriNIC Deaggregation factor: 4.94
Prefixes being announced from the AfriNIC address blocks: 45820
Unique aggregates announced from the AfriNIC address blocks: 13853
AfriNIC Region origin ASes present in the Internet Routing Table: 1920
AfriNIC Prefixes per ASN: 23.86
AfriNIC Region origin ASes announcing only one prefix: 691
AfriNIC Region transit ASes present in the Internet Routing Table: 379
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 32
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1285
Number of AfriNIC addresses announced to Internet: 104694272
Equivalent to 6 /8s, 61 /16s and 130 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 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 11817 8762 116 CHINAMOBILE-CN China Mobile Communication
7545 6145 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4453 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4392 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3913 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3700 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3278 1868 100 VNPT-AS-VN VNPT Corp, VN
24560 2902 862 519 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2649 811 177 CMNET-JIANGSU-AP China Mobile communicati
4755 2185 434 193 TATACOMM-AS TATA Communications formerly
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13667 40960 5272 AMAZON-02, US
11492 4789 317 607 CABLEONE, US
7155 3856 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
174 3473 8770 855 COGENT-174, US
22773 3342 3032 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3225 54767 2476 DNIC-AS-00749, US
396982 3194 3854 430 GOOGLE-CLOUD-PLATFORM, US
16625 3065 1298 2228 AKAMAI-AS, US
4155 2859 217 1730 USDA-1, US
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 7637 1713 150 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4070 3395 127 AKAMAI-ASN1, NL
9009 3771 358 2094 M247, RO
12389 3117 2317 873 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2402 361 582 TELLCOM-AS, TR
212238 2325 165 1695 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1558 1852 14 TE-AS TE-AS, EG
203020 1475 164 648 HOSTROYALE, IN
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 12303 3255 573 UNINET, MX
10620 3513 481 1023 Telmex Colombia S.A., CO
13999 2525 511 349 Mega Cable, S.A. de C.V., MX
11830 1984 369 64 Instituto Costarricense de Electricidad y
28573 1368 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1344 786 204 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1196 371 22 Telefonica del Peru S.A.A., PE
11664 1192 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1065 71 380 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1022 373 162 Axtel, S.A.B. de C.V., MX
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24835 1685 633 33 RAYA-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36992 1205 1477 332 ETISALAT-MISR, EG
36935 822 520 43 Vodafone-, EG
37069 702 1112 11 MOBINIL, EG
24863 656 389 22 LINKdotNET-AS, EG
36914 570 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
15399 532 56 54 WANANCHI-, KE
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13667 40960 5272 AMAZON-02, US
8151 12303 3255 573 UNINET, MX
9808 11817 8762 116 CHINAMOBILE-CN China Mobile Communication
12479 7637 1713 150 UNI2-AS, ES
7545 6145 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4789 317 607 CABLEONE, US
18403 4453 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4392 535 311 BBIL-AP BHARTI Airtel Ltd., IN
20940 4070 3395 127 AKAMAI-ASN1, NL
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
8151 12303 11730 UNINET, MX
9808 11817 11701 CHINAMOBILE-CN China Mobile Communications Grou
12479 7637 7487 UNI2-AS, ES
7545 6145 5523 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4453 4428 FPT-AS-AP FPT Telecom Company, VN
11492 4789 4182 CABLEONE, US
9498 4392 4081 BBIL-AP BHARTI Airtel Ltd., IN
20940 4070 3943 AKAMAI-ASN1, NL
7552 3913 3886 VIETEL-AS-AP Viettel Group, VN
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, 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
398074 UNALLOCATED 8.28.115.0/24 32787 PROLEXIC-TECHNOLOGIES-D
396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, 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://bgp.nsrc.org/REN/AARNET/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://bgp.nsrc.org/REN/AARNET/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: 21859 ZEN-ECN, US
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
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US
23.147.224.0/24 Origin: 27392 639-DATACENTERS, US
23.147.224.0/24 Transit: 3356 LEVEL3, US
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
!!Default route being announced!!
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:14 /10:41 /11:92 /12:298
/13:582 /14:1209 /15:2139 /16:13755 /17:8220 /18:13490
/19:24473 /20:43577 /21:51641 /22:111223 /23:102762 /24:613238
/25:0 /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 6572 7637 UNI2-AS, ES
8151 6528 12303 UNINET, MX
11492 3583 4789 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3636 SHAW, CA
7155 2815 3856 VIASAT-SP-BACKBONE, US
22773 2494 3342 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2337 13667 AMAZON-02, US
30036 2268 2609 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2200 3513 Telmex Colombia S.A., CO
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2396 2:1528 3:852 4:10 5:4737 6:163
7:6 8:1555 9:1 11:172 12:1339 13:455
14:2554 15:366 16:286 17:383 18:894 20:556
21:4 22:188 23:7729 24:2724 25:2 27:2816
29:19 31:3334 32:35 33:1 34:80 35:259
36:3527 37:4567 38:9379 39:909 40:253 41:4146
42:1950 43:2677 44:372 45:18490 46:5097 47:337
49:1885 50:1944 51:591 52:1554 54:324 55:1108
56:11 57:272 58:2188 59:1227 60:1174 61:2789
62:2943 63:1797 64:5528 65:2049 66:4721 67:3100
68:1086 69:3896 70:1044 71:631 72:2851 74:2790
75:1507 76:607 77:2764 78:1919 79:1707 80:2200
81:2075 82:3179 83:1439 84:1890 85:3465 86:1083
87:2140 88:1347 89:4420 90:776 91:8415 92:2750
93:2947 94:4073 95:4437 96:1470 97:310 98:954
99:700 100:72 101:1179 102:3896 103:32258 104:5280
105:742 106:968 107:2633 108:1254 109:4160 110:2231
111:3286 112:2217 113:1837 114:1956 115:2251 116:2065
117:2575 118:2987 119:1904 120:2119 121:1331 122:2787
123:2242 124:1635 125:2876 126:91 128:1614 129:964
130:1304 131:2042 132:776 133:450 134:1580 135:350
136:1426 137:1322 138:2756 139:1585 140:1636 141:1522
142:1906 143:1985 144:1186 145:559 146:2177 147:2102
148:2702 149:2936 150:1231 151:2223 152:2080 153:592
154:7518 155:1834 156:3028 157:1938 158:1342 159:2508
160:3624 161:1862 162:3866 163:2241 164:1866 165:2104
166:1518 167:2020 168:3983 169:783 170:5116 171:1003
172:4432 173:3382 174:917 175:1320 176:3719 177:4719
178:3943 179:2302 180:2613 181:4083 182:3500 183:2138
184:2086 185:21565 186:5203 187:4630 188:4257 189:4326
190:9550 191:1479 192:11338 193:9468 194:7773 195:5582
196:3280 197:3136 198:6212 199:8568 200:8233 201:6351
202:10378 203:10634 204:4613 205:3662 206:4532 207:3617
208:4286 209:5169 210:4622 211:2590 212:4549 213:3809
214:1021 215:46 216:6775 217:3186 218:1364 219:393
220:2138 221:1187 222:712 223:2633
End of report
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