[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Brisbane) (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jul 30 21:13:38 UTC 2025
IPv4 R&E Routing Table Report 21:10 GMT Wed 30 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: 991838
Prefixes after maximum aggregation (per Origin AS): 384071
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 488100
Number of IPv4 prefixes with a valid ROA: 558312
Number of IPv4 prefixes with an invalid ROA: 163
Number of IPv4 prefixes with no ROA: 433363
Total ASes present in the Internet Routing Table: 77057
Prefixes per ASN: 12.87
Origin-only ASes present in the Internet Routing Table: 65978
Origin ASes announcing only one prefix: 26940
Transit ASes present in the Internet Routing Table: 11079
Transit-only ASes present in the Internet Routing Table: 560
Paths with bogon ASNs present in the IPv4 Routing Table: 18
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 52
Max AS path prepend of ASN (212940) 45
Prefixes from unregistered ASNs in the Routing Table: 1131
Number of instances of unregistered ASNs: 1181
Number of 32-bit ASNs allocated by the RIRs: 46974
Number of 32-bit ASNs visible in the Routing Table: 38664
Prefixes from 32-bit ASNs in the Routing Table: 206161
Number of bogon 32-bit ASNs visible in the Routing Table: 110
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 460
Number of addresses announced to Internet: 3107262208
Equivalent to 185 /8s, 53 /16s and 15 /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: 323444
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 262597
Total APNIC prefixes after maximum aggregation: 77987
APNIC Deaggregation factor: 3.37
Prefixes being announced from the APNIC address blocks: 253740
Unique aggregates announced from the APNIC address blocks: 105006
APNIC Region origin ASes present in the Internet Routing Table: 14720
APNIC Prefixes per ASN: 17.24
APNIC Region origin ASes announcing only one prefix: 4493
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: 10260
Number of APNIC addresses announced to Internet: 749242880
Equivalent to 44 /8s, 168 /16s and 138 /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: 292059
Total ARIN prefixes after maximum aggregation: 132237
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 293521
Unique aggregates announced from the ARIN address blocks: 141500
ARIN Region origin ASes present in the Internet Routing Table: 19241
ARIN Prefixes per ASN: 15.25
ARIN Region origin ASes announcing only one prefix: 7034
ARIN Region transit ASes present in the Internet Routing Table: 1991
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: 5265
Number of ARIN addresses announced to Internet: 1349171456
Equivalent to 80 /8s, 106 /16s and 185 /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: 276692
Total RIPE prefixes after maximum aggregation: 136411
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 275666
Unique aggregates announced from the RIPE address blocks: 178106
RIPE Region origin ASes present in the Internet Routing Table: 28963
RIPE Prefixes per ASN: 9.52
RIPE Region origin ASes announcing only one prefix: 12051
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: 49
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12598
Number of RIPE addresses announced to Internet: 732194304
Equivalent to 43 /8s, 164 /16s and 102 /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: 124709
Total LACNIC prefixes after maximum aggregation: 29889
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 121071
Unique aggregates announced from the LACNIC address blocks: 49146
LACNIC Region origin ASes present in the Internet Routing Table: 11260
LACNIC Prefixes per ASN: 10.75
LACNIC Region origin ASes announcing only one prefix: 2652
LACNIC Region transit ASes present in the Internet Routing Table: 2538
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 36
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9231
Number of LACNIC addresses announced to Internet: 171204864
Equivalent to 10 /8s, 52 /16s and 97 /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: 34650
Total AfriNIC prefixes after maximum aggregation: 6812
AfriNIC Deaggregation factor: 5.09
Prefixes being announced from the AfriNIC address blocks: 47379
Unique aggregates announced from the AfriNIC address blocks: 13959
AfriNIC Region origin ASes present in the Internet Routing Table: 1947
AfriNIC Prefixes per ASN: 24.33
AfriNIC Region origin ASes announcing only one prefix: 710
AfriNIC Region transit ASes present in the Internet Routing Table: 380
Average AfriNIC Region AS path length visible: 5.2
Max AfriNIC Region AS path length visible: 37
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1310
Number of AfriNIC addresses announced to Internet: 105192192
Equivalent to 6 /8s, 69 /16s and 27 /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 12347 8762 116 CHINAMOBILE-CN China Mobile Communication
7545 6138 837 624 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4532 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4464 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3900 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3682 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3280 1868 99 VNPT-AS-VN VNPT Corp, VN
24560 2914 864 510 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2888 811 177 CMNET-JIANGSU-AP China Mobile communicati
45090 2172 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
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 13664 40975 5280 AMAZON-02, US
11492 4821 319 607 CABLEONE, US
7155 3855 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
174 3476 8771 863 COGENT-174, US
22773 3341 3029 165 ASN-CXA-ALL-CCI-22773-RDC, US
749 3222 54766 2473 DNIC-AS-00749, US
396982 3200 3856 434 GOOGLE-CLOUD-PLATFORM, US
16625 3061 1297 2225 AKAMAI-AS, US
4155 2889 219 1734 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 7587 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4027 3395 127 AKAMAI-ASN1, NL
9009 3823 362 2136 M247, RO
12389 3115 2315 869 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2404 361 584 TELLCOM-AS, TR
212238 2320 164 1688 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1579 1852 14 TE-AS TE-AS, EG
203020 1523 191 672 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 12317 3276 576 UNINET, MX
10620 3479 473 1035 Telmex Colombia S.A., CO
13999 2522 511 354 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1371 2435 269 Claro NXT Telecomunicacoes Ltda, BR
3816 1351 788 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1188 371 22 Telefonica del Peru S.A.A., PE
22884 1074 71 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
11664 1072 278 33 Techtel LMDS Comunicaciones Interactivas
6503 1019 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 1717 660 28 RAYA-AS, EG
29571 1604 102 51 ORANGE-COTE-IVOIRE, CI
36992 1322 1490 355 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
24863 1231 389 20 LINKdotNET-AS, EG
37069 1086 1112 11 MOBINIL, EG
36935 899 520 43 Vodafone-, EG
36914 574 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
15399 541 57 59 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 13664 40975 5280 AMAZON-02, US
9808 12347 8762 116 CHINAMOBILE-CN China Mobile Communication
8151 12317 3276 576 UNINET, MX
12479 7587 1712 148 UNI2-AS, ES
7545 6138 837 624 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4821 319 607 CABLEONE, US
39891 4798 293 63 ALJAWWALSTC-AS, SA
18403 4532 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4464 535 311 BBIL-AP BHARTI Airtel Ltd., IN
20940 4027 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 12347 12231 CHINAMOBILE-CN China Mobile Communications Grou
8151 12317 11741 UNINET, MX
12479 7587 7439 UNI2-AS, ES
7545 6138 5514 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4532 4507 FPT-AS-AP FPT Telecom Company, VN
11492 4821 4214 CABLEONE, US
9498 4464 4153 BBIL-AP BHARTI Airtel Ltd., IN
20940 4027 3900 AKAMAI-ASN1, NL
7552 3900 3873 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
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
/13:581 /14:1209 /15:2153 /16:13794 /17:8233 /18:13507
/19:24553 /20:43997 /21:51763 /22:112003 /23:102989 /24:616594
/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 6538 7587 UNI2-AS, ES
8151 6534 12317 UNINET, MX
11492 3613 4821 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3636 SHAW, CA
7155 2814 3855 VIASAT-SP-BACKBONE, US
22773 2493 3341 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2355 13664 AMAZON-02, US
30036 2288 2629 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2195 3479 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)
----------------------------------------------
1:2412 2:1525 3:848 4:10 5:4739 6:163
7:6 8:1553 9:1 11:172 12:1340 13:456
14:2571 15:367 16:286 17:377 18:898 20:560
21:4 22:188 23:7769 24:2725 25:2 27:2802
29:19 31:3348 32:35 33:1 34:80 35:261
36:4037 37:4558 38:9469 39:947 40:247 41:4247
42:2020 43:2692 44:378 45:18593 46:5102 47:336
49:1893 50:2011 51:591 52:1554 54:325 55:1109
56:11 57:274 58:2174 59:1293 60:1171 61:2791
62:2989 63:1791 64:5532 65:2146 66:4754 67:3105
68:1071 69:3904 70:1040 71:630 72:2845 74:2807
75:1507 76:608 77:2775 78:1917 79:1703 80:2203
81:2056 82:3188 83:1440 84:1895 85:3488 86:1091
87:2130 88:1342 89:4411 90:777 91:8421 92:2719
93:2955 94:4062 95:4425 96:1468 97:309 98:955
99:694 100:71 101:1194 102:3909 103:32282 104:5244
105:807 106:971 107:2659 108:1263 109:4179 110:2230
111:3362 112:2340 113:1843 114:1961 115:2237 116:2068
117:2640 118:2985 119:1911 120:2174 121:1335 122:2791
123:2246 124:1656 125:2876 126:91 128:1616 129:969
130:1313 131:2062 132:782 133:450 134:1601 135:351
136:1461 137:1322 138:2837 139:1590 140:1628 141:1516
142:1911 143:1956 144:1171 145:564 146:2181 147:2097
148:2726 149:2937 150:1280 151:2251 152:2075 153:590
154:7586 155:1854 156:3082 157:1951 158:1358 159:2518
160:3598 161:1898 162:3868 163:2250 164:1878 165:2419
166:1535 167:2007 168:3968 169:786 170:5127 171:994
172:4249 173:3389 174:917 175:1326 176:3732 177:4761
178:3939 179:2317 180:2587 181:4133 182:3536 183:2196
184:2080 185:21609 186:5257 187:4673 188:4265 189:4366
190:9567 191:1502 192:11337 193:9475 194:7775 195:5588
196:3284 197:3186 198:6233 199:8606 200:8280 201:6393
202:10375 203:10669 204:4665 205:3635 206:4502 207:3641
208:4287 209:5186 210:4695 211:2603 212:4553 213:3821
214:1025 215:48 216:6770 217:3229 218:1376 219:396
220:2147 221:1206 222:739 223:2735
End of report
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