[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Brisbane) (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Jul 25 21:13:44 UTC 2025
IPv4 R&E Routing Table Report 21:10 GMT Fri 25 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: 990663
Prefixes after maximum aggregation (per Origin AS): 383981
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 488936
Number of IPv4 prefixes with a valid ROA: 557247
Number of IPv4 prefixes with an invalid ROA: 136
Number of IPv4 prefixes with no ROA: 433280
Total ASes present in the Internet Routing Table: 77043
Prefixes per ASN: 12.86
Origin-only ASes present in the Internet Routing Table: 65992
Origin ASes announcing only one prefix: 26943
Transit ASes present in the Internet Routing Table: 11051
Transit-only ASes present in the Internet Routing Table: 561
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 ( 37447) 34
Prefixes from unregistered ASNs in the Routing Table: 1131
Number of instances of unregistered ASNs: 1168
Number of 32-bit ASNs allocated by the RIRs: 46918
Number of 32-bit ASNs visible in the Routing Table: 38632
Prefixes from 32-bit ASNs in the Routing Table: 206004
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: 461
Number of addresses announced to Internet: 3106697472
Equivalent to 185 /8s, 44 /16s and 113 /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: 323137
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 262228
Total APNIC prefixes after maximum aggregation: 77953
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 253177
Unique aggregates announced from the APNIC address blocks: 104998
APNIC Region origin ASes present in the Internet Routing Table: 14708
APNIC Prefixes per ASN: 17.21
APNIC Region origin ASes announcing only one prefix: 4502
APNIC Region transit ASes present in the Internet Routing Table: 1978
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: 10251
Number of APNIC addresses announced to Internet: 749238528
Equivalent to 44 /8s, 168 /16s and 121 /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: 291670
Total ARIN prefixes after maximum aggregation: 132158
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 293454
Unique aggregates announced from the ARIN address blocks: 141450
ARIN Region origin ASes present in the Internet Routing Table: 19246
ARIN Prefixes per ASN: 15.25
ARIN Region origin ASes announcing only one prefix: 7037
ARIN Region transit ASes present in the Internet Routing Table: 1995
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: 5266
Number of ARIN addresses announced to Internet: 1349307904
Equivalent to 80 /8s, 108 /16s and 206 /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: 276650
Total RIPE prefixes after maximum aggregation: 136283
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 275600
Unique aggregates announced from the RIPE address blocks: 177935
RIPE Region origin ASes present in the Internet Routing Table: 28948
RIPE Prefixes per ASN: 9.52
RIPE Region origin ASes announcing only one prefix: 12046
RIPE Region transit ASes present in the Internet Routing Table: 3995
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12579
Number of RIPE addresses announced to Internet: 732165376
Equivalent to 43 /8s, 163 /16s and 245 /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: 124375
Total LACNIC prefixes after maximum aggregation: 30071
LACNIC Deaggregation factor: 4.14
Prefixes being announced from the LACNIC address blocks: 120669
Unique aggregates announced from the LACNIC address blocks: 50281
LACNIC Region origin ASes present in the Internet Routing Table: 11262
LACNIC Prefixes per ASN: 10.71
LACNIC Region origin ASes announcing only one prefix: 2653
LACNIC Region transit ASes present in the Internet Routing Table: 2510
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: 9232
Number of LACNIC addresses announced to Internet: 170631168
Equivalent to 10 /8s, 43 /16s and 160 /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: 34609
Total AfriNIC prefixes after maximum aggregation: 6762
AfriNIC Deaggregation factor: 5.12
Prefixes being announced from the AfriNIC address blocks: 47301
Unique aggregates announced from the AfriNIC address blocks: 13886
AfriNIC Region origin ASes present in the Internet Routing Table: 1939
AfriNIC Prefixes per ASN: 24.39
AfriNIC Region origin ASes announcing only one prefix: 705
AfriNIC Region transit ASes present in the Internet Routing Table: 383
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 37
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1304
Number of AfriNIC addresses announced to Internet: 105096704
Equivalent to 6 /8s, 67 /16s and 166 /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 12058 8761 115 CHINAMOBILE-CN China Mobile Communication
7545 6139 840 619 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4503 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4464 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3918 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3696 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3279 1868 100 VNPT-AS-VN VNPT Corp, VN
24560 2911 864 509 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2814 811 177 CMNET-JIANGSU-AP China Mobile communicati
4755 2179 429 189 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 13666 40975 5283 AMAZON-02, US
11492 4819 319 605 CABLEONE, US
7155 3855 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
174 3464 8771 862 COGENT-174, US
22773 3342 3029 165 ASN-CXA-ALL-CCI-22773-RDC, US
749 3223 54766 2474 DNIC-AS-00749, US
396982 3197 3856 433 GOOGLE-CLOUD-PLATFORM, US
16625 3063 1297 2223 AKAMAI-AS, US
4155 2876 218 1726 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 7594 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4038 3395 127 AKAMAI-ASN1, NL
9009 3816 362 2132 M247, RO
12389 3116 2315 870 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2404 361 584 TELLCOM-AS, TR
212238 2321 164 1689 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1580 1852 14 TE-AS TE-AS, EG
203020 1528 189 670 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 12311 3260 575 UNINET, MX
10620 3485 474 1025 Telmex Colombia S.A., CO
13999 2508 373 684 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1372 2435 269 Claro NXT Telecomunicacoes Ltda, BR
3816 1348 787 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1207 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1187 371 22 Telefonica del Peru S.A.A., PE
22884 1069 71 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1020 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 1729 660 28 RAYA-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1312 1489 355 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
24863 1228 389 20 LINKdotNET-AS, EG
37069 1086 1112 11 MOBINIL, EG
36935 832 520 43 Vodafone-, EG
36914 576 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 13666 40975 5283 AMAZON-02, US
8151 12311 3260 575 UNINET, MX
9808 12058 8761 115 CHINAMOBILE-CN China Mobile Communication
12479 7594 1712 148 UNI2-AS, ES
7545 6139 840 619 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4819 319 605 CABLEONE, US
39891 4798 293 63 ALJAWWALSTC-AS, SA
18403 4503 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4464 535 311 BBIL-AP BHARTI Airtel Ltd., IN
20940 4038 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
9808 12058 11943 CHINAMOBILE-CN China Mobile Communications Grou
8151 12311 11736 UNINET, MX
12479 7594 7446 UNI2-AS, ES
7545 6139 5520 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4503 4478 FPT-AS-AP FPT Telecom Company, VN
11492 4819 4214 CABLEONE, US
9498 4464 4153 BBIL-AP BHARTI Airtel Ltd., IN
20940 4038 3911 AKAMAI-ASN1, NL
7552 3918 3891 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
/13:580 /14:1210 /15:2149 /16:13791 /17:8223 /18:13510
/19:24558 /20:43959 /21:51739 /22:111956 /23:102947 /24:615579
/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 6542 7594 UNI2-AS, ES
8151 6531 12311 UNINET, MX
11492 3611 4819 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3636 SHAW, CA
7155 2814 3855 VIASAT-SP-BACKBONE, US
22773 2494 3342 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2344 13666 AMAZON-02, US
30036 2284 2625 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2196 3485 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)
----------------------------------------------
1:2407 2:1523 3:856 4:10 5:4760 6:163
7:6 8:1554 9:1 11:172 12:1341 13:463
14:2571 15:366 16:286 17:375 18:897 20:559
21:4 22:188 23:7770 24:2725 25:2 27:2806
29:19 31:3353 32:35 33:1 34:80 35:259
36:3836 37:4563 38:9475 39:940 40:248 41:4246
42:1995 43:2690 44:379 45:18589 46:5090 47:336
49:1878 50:2014 51:585 52:1549 54:323 55:1110
56:11 57:275 58:2175 59:1293 60:1171 61:2793
62:2974 63:1792 64:5536 65:2144 66:4739 67:3108
68:1070 69:3906 70:1042 71:629 72:2854 74:2801
75:1508 76:606 77:2777 78:1920 79:1693 80:2202
81:2047 82:3195 83:1437 84:1895 85:3486 86:1090
87:2136 88:1345 89:4399 90:777 91:8406 92:2706
93:2957 94:4055 95:4420 96:1473 97:309 98:954
99:692 100:71 101:1188 102:3902 103:32247 104:5245
105:801 106:971 107:2656 108:1266 109:4183 110:2231
111:3338 112:2285 113:1842 114:1964 115:2256 116:2067
117:2622 118:2985 119:1895 120:2160 121:1334 122:2791
123:2243 124:1655 125:2871 126:91 128:1625 129:968
130:1312 131:2042 132:775 133:450 134:1590 135:351
136:1465 137:1322 138:2825 139:1589 140:1633 141:1516
142:1913 143:1932 144:1174 145:565 146:2182 147:2098
148:2724 149:2934 150:1281 151:2226 152:2071 153:588
154:7517 155:1848 156:3079 157:1947 158:1352 159:2526
160:3592 161:1903 162:3886 163:2251 164:1868 165:2380
166:1526 167:2019 168:3961 169:787 170:5115 171:1002
172:4241 173:3396 174:917 175:1325 176:3734 177:4680
178:3933 179:2291 180:2583 181:4116 182:3537 183:2188
184:2082 185:21603 186:5226 187:4653 188:4271 189:4360
190:9557 191:1496 192:11352 193:9469 194:7773 195:5589
196:3290 197:3185 198:6228 199:8624 200:8211 201:6371
202:10389 203:10679 204:4667 205:3631 206:4529 207:3641
208:4290 209:5182 210:4660 211:2599 212:4551 213:3820
214:1021 215:48 216:6764 217:3236 218:1373 219:395
220:2142 221:1198 222:742 223:2675
End of report
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