[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 23 21:13:26 UTC 2025
IPv4 R&E Routing Table Report 21:10 GMT Wed 23 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: 990101
Prefixes after maximum aggregation (per Origin AS): 383312
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 487279
Number of IPv4 prefixes with a valid ROA: 556545
Number of IPv4 prefixes with an invalid ROA: 136
Number of IPv4 prefixes with no ROA: 433420
Total ASes present in the Internet Routing Table: 77023
Prefixes per ASN: 12.85
Origin-only ASes present in the Internet Routing Table: 65962
Origin ASes announcing only one prefix: 26939
Transit ASes present in the Internet Routing Table: 11061
Transit-only ASes present in the Internet Routing Table: 559
Paths with bogon ASNs present in the IPv4 Routing Table: 29
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: 1134
Number of instances of unregistered ASNs: 1172
Number of 32-bit ASNs allocated by the RIRs: 46887
Number of 32-bit ASNs visible in the Routing Table: 38612
Prefixes from 32-bit ASNs in the Routing Table: 205885
Number of bogon 32-bit ASNs visible in the Routing Table: 103
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 476
Number of addresses announced to Internet: 3107176960
Equivalent to 185 /8s, 51 /16s and 194 /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: 323008
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 261881
Total APNIC prefixes after maximum aggregation: 77869
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 252795
Unique aggregates announced from the APNIC address blocks: 104980
APNIC Region origin ASes present in the Internet Routing Table: 14707
APNIC Prefixes per ASN: 17.19
APNIC Region origin ASes announcing only one prefix: 4500
APNIC Region transit ASes present in the Internet Routing Table: 1983
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: 10247
Number of APNIC addresses announced to Internet: 749216768
Equivalent to 44 /8s, 168 /16s and 36 /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: 291527
Total ARIN prefixes after maximum aggregation: 132083
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 293347
Unique aggregates announced from the ARIN address blocks: 141370
ARIN Region origin ASes present in the Internet Routing Table: 19238
ARIN Prefixes per ASN: 15.25
ARIN Region origin ASes announcing only one prefix: 7038
ARIN Region transit ASes present in the Internet Routing Table: 1994
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: 1349376768
Equivalent to 80 /8s, 109 /16s and 219 /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: 276506
Total RIPE prefixes after maximum aggregation: 136076
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 275435
Unique aggregates announced from the RIPE address blocks: 177432
RIPE Region origin ASes present in the Internet Routing Table: 28937
RIPE Prefixes per ASN: 9.52
RIPE Region origin ASes announcing only one prefix: 12049
RIPE Region transit ASes present in the Internet Routing Table: 3989
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: 12568
Number of RIPE addresses announced to Internet: 732134400
Equivalent to 43 /8s, 163 /16s and 124 /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: 124404
Total LACNIC prefixes after maximum aggregation: 29747
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 120693
Unique aggregates announced from the LACNIC address blocks: 49161
LACNIC Region origin ASes present in the Internet Routing Table: 11266
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: 2523
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: 171100928
Equivalent to 10 /8s, 50 /16s and 203 /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: 34649
Total AfriNIC prefixes after maximum aggregation: 6780
AfriNIC Deaggregation factor: 5.11
Prefixes being announced from the AfriNIC address blocks: 47354
Unique aggregates announced from the AfriNIC address blocks: 13945
AfriNIC Region origin ASes present in the Internet Routing Table: 1933
AfriNIC Prefixes per ASN: 24.50
AfriNIC Region origin ASes announcing only one prefix: 699
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: 1300
Number of AfriNIC addresses announced to Internet: 105087232
Equivalent to 6 /8s, 67 /16s and 129 /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 11989 8762 117 CHINAMOBILE-CN China Mobile Communication
7545 6139 840 620 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4497 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4463 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3915 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3700 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3280 1868 100 VNPT-AS-VN VNPT Corp, VN
24560 2910 863 508 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2814 811 177 CMNET-JIANGSU-AP China Mobile communicati
4755 2178 429 188 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 13672 40974 5278 AMAZON-02, US
11492 4813 319 611 CABLEONE, US
7155 3855 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
174 3455 8771 858 COGENT-174, US
22773 3341 3031 166 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 2874 218 1728 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 4035 3395 127 AKAMAI-ASN1, NL
9009 3786 361 2107 M247, RO
12389 3120 2317 873 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2404 361 584 TELLCOM-AS, TR
212238 2318 163 1686 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1588 1852 14 TE-AS TE-AS, EG
203020 1476 163 649 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 12302 3259 577 UNINET, MX
10620 3485 474 1025 Telmex Colombia S.A., CO
13999 2524 511 349 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1371 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1346 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1205 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1196 371 22 Telefonica del Peru S.A.A., PE
22884 1068 71 370 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 1728 660 28 RAYA-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1312 1489 356 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
24863 1227 389 20 LINKdotNET-AS, EG
37069 1086 1112 11 MOBINIL, EG
36935 832 520 43 Vodafone-, EG
36914 581 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 13672 40974 5278 AMAZON-02, US
8151 12302 3259 577 UNINET, MX
9808 11989 8762 117 CHINAMOBILE-CN China Mobile Communication
12479 7594 1712 148 UNI2-AS, ES
7545 6139 840 620 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4813 319 611 CABLEONE, US
39891 4798 293 63 ALJAWWALSTC-AS, SA
18403 4497 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4463 535 311 BBIL-AP BHARTI Airtel Ltd., IN
20940 4035 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 11989 11872 CHINAMOBILE-CN China Mobile Communications Grou
8151 12302 11725 UNINET, MX
12479 7594 7446 UNI2-AS, ES
7545 6139 5519 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4497 4472 FPT-AS-AP FPT Telecom Company, VN
11492 4813 4202 CABLEONE, US
9498 4463 4152 BBIL-AP BHARTI Airtel Ltd., IN
20940 4035 3908 AKAMAI-ASN1, NL
7552 3915 3888 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 /14:1210 /15:2150 /16:13792 /17:8224 /18:13505
/19:24551 /20:43921 /21:51709 /22:111882 /23:102868 /24:615245
/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 6524 12302 UNINET, MX
11492 3606 4813 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 13672 AMAZON-02, US
30036 2277 2618 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)
----------------------------------------------
1:2405 2:1521 3:857 4:10 5:4755 6:163
7:6 8:1554 9:1 11:172 12:1340 13:463
14:2570 15:365 16:286 17:377 18:896 20:558
21:4 22:188 23:7743 24:2736 25:2 27:2801
29:19 31:3344 32:35 33:1 34:80 35:260
36:3765 37:4560 38:9462 39:926 40:251 41:4248
42:1989 43:2684 44:378 45:18559 46:5098 47:336
49:1877 50:2010 51:591 52:1550 54:323 55:1106
56:11 57:274 58:2175 59:1293 60:1171 61:2795
62:2977 63:1798 64:5542 65:2160 66:4722 67:3107
68:1071 69:3904 70:1037 71:628 72:2852 74:2796
75:1508 76:606 77:2761 78:1920 79:1691 80:2204
81:2043 82:3181 83:1436 84:1893 85:3470 86:1085
87:2132 88:1346 89:4418 90:777 91:8413 92:2710
93:2952 94:4062 95:4422 96:1470 97:309 98:955
99:695 100:71 101:1188 102:3890 103:32241 104:5220
105:801 106:972 107:2655 108:1261 109:4184 110:2229
111:3326 112:2280 113:1842 114:1968 115:2258 116:2056
117:2614 118:2988 119:1895 120:2139 121:1332 122:2793
123:2243 124:1654 125:2867 126:91 128:1620 129:964
130:1311 131:2048 132:778 133:450 134:1645 135:350
136:1447 137:1317 138:2822 139:1585 140:1634 141:1504
142:1909 143:1935 144:1172 145:564 146:2180 147:2098
148:2712 149:2936 150:1265 151:2222 152:2071 153:590
154:7597 155:1852 156:3086 157:1942 158:1350 159:2520
160:3604 161:1901 162:3856 163:2252 164:1870 165:2376
166:1523 167:2020 168:3974 169:789 170:5123 171:999
172:4243 173:3394 174:917 175:1326 176:3740 177:4694
178:3932 179:2273 180:2580 181:4125 182:3516 183:2168
184:2081 185:21580 186:5221 187:4646 188:4264 189:4352
190:9552 191:1490 192:11356 193:9475 194:7742 195:5582
196:3285 197:3190 198:6224 199:8611 200:8214 201:6383
202:10383 203:10683 204:4674 205:3641 206:4532 207:3640
208:4296 209:5180 210:4650 211:2593 212:4552 213:3821
214:1020 215:48 216:6765 217:3226 218:1373 219:394
220:2145 221:1199 222:744 223:2712
End of report
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