[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Jul 4 22:45:00 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Fri 04 Jul, 2025
IPv4 BGP Table (Global) as seen at RouteViews OIX.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/OIX/
Analysis Summary
----------------
BGP routing table entries examined: 1040888
Prefixes after maximum aggregation (per Origin AS): 385820
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 485822
Total ASes present in the Internet Routing Table: 77093
Prefixes per ASN: 13.50
Origin-only ASes present in the Internet Routing Table: 66342
Origin ASes announcing only one prefix: 26295
Transit ASes present in the Internet Routing Table: 10751
Transit-only ASes present in the Internet Routing Table: 544
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.1
Max AS path length visible: 77
Max AS path prepend of ASN (133647) 73
Prefixes from unregistered ASNs in the Routing Table: 1192
Number of instances of unregistered ASNs: 1233
Number of 32-bit ASNs allocated by the RIRs: 46755
Number of 32-bit ASNs visible in the Routing Table: 38545
Prefixes from 32-bit ASNs in the Routing Table: 216920
Number of bogon 32-bit ASNs visible in the Routing Table: 155
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 441
Number of addresses announced to Internet: 3107494855
Equivalent to 185 /8s, 56 /16s and 155 /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: 351280
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 268916
Total APNIC prefixes after maximum aggregation: 78002
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 259804
Unique aggregates announced from the APNIC address blocks: 104807
APNIC Region origin ASes present in the Internet Routing Table: 14713
APNIC Prefixes per ASN: 17.66
APNIC Region origin ASes announcing only one prefix: 4461
APNIC Region transit ASes present in the Internet Routing Table: 1941
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 77
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10220
Number of APNIC addresses announced to Internet: 749980225
Equivalent to 44 /8s, 179 /16s and 202 /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: 298499
Total ARIN prefixes after maximum aggregation: 133285
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 299511
Unique aggregates announced from the ARIN address blocks: 140391
ARIN Region origin ASes present in the Internet Routing Table: 19252
ARIN Prefixes per ASN: 15.56
ARIN Region origin ASes announcing only one prefix: 7012
ARIN Region transit ASes present in the Internet Routing Table: 1920
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5245
Number of ARIN addresses announced to Internet: 1349348096
Equivalent to 80 /8s, 109 /16s and 107 /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: 293519
Total RIPE prefixes after maximum aggregation: 137031
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 292061
Unique aggregates announced from the RIPE address blocks: 177222
RIPE Region origin ASes present in the Internet Routing Table: 28988
RIPE Prefixes per ASN: 10.08
RIPE Region origin ASes announcing only one prefix: 12001
RIPE Region transit ASes present in the Internet Routing Table: 3875
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12545
Number of RIPE addresses announced to Internet: 731584102
Equivalent to 43 /8s, 155 /16s and 22 /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: 138900
Total LACNIC prefixes after maximum aggregation: 29868
LACNIC Deaggregation factor: 4.65
Prefixes being announced from the LACNIC address blocks: 135453
Unique aggregates announced from the LACNIC address blocks: 48985
LACNIC Region origin ASes present in the Internet Routing Table: 11286
LACNIC Prefixes per ASN: 12.00
LACNIC Region origin ASes announcing only one prefix: 2174
LACNIC Region transit ASes present in the Internet Routing Table: 2484
Average LACNIC Region AS path length visible: 3.3
Max LACNIC Region AS path length visible: 52
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9236
Number of LACNIC addresses announced to Internet: 171269152
Equivalent to 10 /8s, 53 /16s and 92 /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: 39862
Total AfriNIC prefixes after maximum aggregation: 6881
AfriNIC Deaggregation factor: 5.79
Prefixes being announced from the AfriNIC address blocks: 53617
Unique aggregates announced from the AfriNIC address blocks: 14024
AfriNIC Region origin ASes present in the Internet Routing Table: 1932
AfriNIC Prefixes per ASN: 27.75
AfriNIC Region origin ASes announcing only one prefix: 647
AfriNIC Region transit ASes present in the Internet Routing Table: 364
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1299
Number of AfriNIC addresses announced to Internet: 105064192
Equivalent to 6 /8s, 67 /16s and 39 /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 11620 8759 115 CHINAMOBILE-CN China Mobile Communication
7545 6147 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4852 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4455 535 313 BBIL-AP BHARTI Airtel Ltd., IN
18403 4429 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3924 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3718 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3311 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2903 862 528 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2430 812 180 CMNET-JIANGSU-AP China Mobile communicati
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13608 40951 5230 AMAZON-02, US
174 5385 8766 860 COGENT-174, US
11492 4781 317 604 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3638 1320 82 SHAW, CA
22773 3340 3032 167 ASN-CXA-ALL-CCI-22773-RDC, US
749 3226 54767 2477 DNIC-AS-00749, US
396982 3194 3854 431 GOOGLE-CLOUD-PLATFORM, US
16625 3128 1314 2257 AKAMAI-AS, US
4155 2838 215 1729 USDA-1, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
47331 9764 1298 1046 TTNET, TR
12479 7655 1713 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4093 3396 140 AKAMAI-ASN1, NL
9009 3924 360 2103 M247, RO
12389 3125 2305 883 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2455 364 579 TELLCOM-AS, TR
212238 2362 170 1730 CDNEXT, GB
8452 1893 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 12333 3259 577 UNINET, MX
10620 3509 481 1020 Telmex Colombia S.A., CO
13999 2539 538 356 Mega Cable, S.A. de C.V., MX
11830 1988 369 64 Instituto Costarricense de Electricidad y
28573 1611 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1195 371 22 Telefonica del Peru S.A.A., PE
11664 1166 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1064 71 374 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/OIX/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24835 1823 660 28 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1618 389 16 LINKdotNET-AS, EG
29571 1606 102 33 ORANGE-COTE-IVOIRE, CI
36992 1427 1481 287 ETISALAT-MISR, EG
20011 1297 205 346 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
37069 1108 1100 18 MOBINIL, EG
36935 1063 520 43 Vodafone-, EG
36914 578 82 3 KENET-AS, KE
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13608 40951 5230 AMAZON-02, US
8151 12333 3259 577 UNINET, MX
9808 11620 8759 115 CHINAMOBILE-CN China Mobile Communication
47331 9764 1298 1046 TTNET, TR
12479 7655 1713 148 UNI2-AS, ES
7545 6147 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5385 8766 860 COGENT-174, US
4538 4852 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4781 317 604 CABLEONE, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
8151 12333 11756 UNINET, MX
9808 11620 11505 CHINAMOBILE-CN China Mobile Communications Grou
47331 9764 8718 TTNET, TR
12479 7655 7507 UNI2-AS, ES
7545 6147 5524 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4852 4775 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5385 4525 COGENT-174, US
18403 4429 4404 FPT-AS-AP FPT Telecom Company, VN
11492 4781 4177 CABLEONE, US
Complete listing at https://bgp.nsrc.org/REN/OIX/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
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
395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US
Complete listing at https://bgp.nsrc.org/REN/OIX/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/OIX/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
23.140.216.0/24 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
23.147.240.0/24 Origin: 32302 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
Complete listing at https://bgp.nsrc.org/REN/OIX/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 /11:91 /12:297
/13:583 /14:1220 /15:2187 /16:13905 /17:8422 /18:14024
/19:25304 /20:46168 /21:54621 /22:115834 /23:111291 /24:643786
/25:406 /26:581 /27:1041 /28:69 /29:105 /30:18
/31:3 /32:860
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8842 9764 TTNET, TR
12479 6578 7655 UNI2-AS, ES
8151 6514 12333 UNINET, MX
11492 3577 4781 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3638 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2492 3340 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2347 13608 AMAZON-02, US
30036 2263 2604 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2434 2:1546 3:830 4:25 5:5096 6:162
7:6 8:1644 9:1 11:172 12:1349 13:449
14:2591 15:365 16:285 17:384 18:895 20:566
21:4 22:188 23:7792 24:2829 25:2 27:2841
29:19 31:3393 32:50 33:1 34:84 35:261
36:3290 37:4714 38:10679 39:910 40:229 41:4836
42:1945 43:2700 44:381 45:20248 46:5211 47:330
49:1932 50:1905 51:590 52:1587 54:321 55:1103
56:11 57:281 58:2283 59:1451 60:1173 61:3049
62:3069 63:1822 64:5576 65:2202 66:4810 67:3144
68:1115 69:4035 70:1072 71:629 72:2960 74:2825
75:1525 76:611 77:2882 78:4365 79:1764 80:2240
81:2262 82:3249 83:1513 84:1897 85:4438 86:1094
87:2417 88:3578 89:4584 90:779 91:8525 92:2770
93:2968 94:4159 95:5662 96:1503 97:315 98:961
99:692 100:72 101:1429 102:4445 103:32555 104:5250
105:2240 106:978 107:2656 108:1279 109:4208 110:2249
111:3309 112:2205 113:1882 114:1983 115:2257 116:2126
117:2557 118:3004 119:1977 120:2131 121:1397 122:2820
123:2582 124:1734 125:2928 126:91 128:1637 129:995
130:1330 131:2216 132:893 133:450 134:1579 135:435
136:1391 137:1194 138:3183 139:1590 140:1639 141:1512
142:1939 143:2082 144:1176 145:561 146:2200 147:2116
148:2710 149:2999 150:1273 151:2189 152:2112 153:590
154:8194 155:1791 156:3228 157:1960 158:1344 159:2512
160:3743 161:1911 162:3897 163:2239 164:1921 165:2107
166:1508 167:2039 168:4301 169:808 170:5594 171:1010
172:4470 173:3391 174:922 175:1323 176:3850 177:6008
178:4108 179:2733 180:2665 181:4320 182:3490 183:2211
184:2131 185:21943 186:5900 187:5115 188:4392 189:4710
190:10021 191:1701 192:11371 193:9551 194:7882 195:5748
196:3701 197:3955 198:6242 199:8602 200:8818 201:6637
202:10853 203:10796 204:4633 205:3695 206:4552 207:3658
208:4292 209:5243 210:4936 211:2657 212:4803 213:3942
214:1015 215:46 216:6861 217:3282 218:1424 219:570
220:2144 221:1154 222:846 223:2596
End of report
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