[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Jul 12 22:45:24 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sat 12 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: 1039770
Prefixes after maximum aggregation (per Origin AS): 386535
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 486317
Total ASes present in the Internet Routing Table: 77143
Prefixes per ASN: 13.48
Origin-only ASes present in the Internet Routing Table: 66363
Origin ASes announcing only one prefix: 26317
Transit ASes present in the Internet Routing Table: 10780
Transit-only ASes present in the Internet Routing Table: 550
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: 52
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1211
Number of instances of unregistered ASNs: 1252
Number of 32-bit ASNs allocated by the RIRs: 46816
Number of 32-bit ASNs visible in the Routing Table: 38616
Prefixes from 32-bit ASNs in the Routing Table: 217255
Number of bogon 32-bit ASNs visible in the Routing Table: 128
Special use prefixes present in the Routing Table: 54
Prefixes being announced from unallocated address space: 526
Number of addresses announced to Internet: 3107942408
Equivalent to 185 /8s, 63 /16s and 112 /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: 351063
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 269779
Total APNIC prefixes after maximum aggregation: 78430
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 260380
Unique aggregates announced from the APNIC address blocks: 105105
APNIC Region origin ASes present in the Internet Routing Table: 14745
APNIC Prefixes per ASN: 17.66
APNIC Region origin ASes announcing only one prefix: 4483
APNIC Region transit ASes present in the Internet Routing Table: 1951
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10252
Number of APNIC addresses announced to Internet: 750198593
Equivalent to 44 /8s, 183 /16s and 31 /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: 298583
Total ARIN prefixes after maximum aggregation: 133370
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 300069
Unique aggregates announced from the ARIN address blocks: 140686
ARIN Region origin ASes present in the Internet Routing Table: 19241
ARIN Prefixes per ASN: 15.60
ARIN Region origin ASes announcing only one prefix: 7017
ARIN Region transit ASes present in the Internet Routing Table: 1917
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: 5255
Number of ARIN addresses announced to Internet: 1349592064
Equivalent to 80 /8s, 113 /16s and 36 /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: 293590
Total RIPE prefixes after maximum aggregation: 137132
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 292193
Unique aggregates announced from the RIPE address blocks: 177198
RIPE Region origin ASes present in the Internet Routing Table: 29006
RIPE Prefixes per ASN: 10.07
RIPE Region origin ASes announcing only one prefix: 12004
RIPE Region transit ASes present in the Internet Routing Table: 3873
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: 12572
Number of RIPE addresses announced to Internet: 731669351
Equivalent to 43 /8s, 156 /16s and 99 /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: 139139
Total LACNIC prefixes after maximum aggregation: 29882
LACNIC Deaggregation factor: 4.66
Prefixes being announced from the LACNIC address blocks: 135660
Unique aggregates announced from the LACNIC address blocks: 48997
LACNIC Region origin ASes present in the Internet Routing Table: 11278
LACNIC Prefixes per ASN: 12.03
LACNIC Region origin ASes announcing only one prefix: 2156
LACNIC Region transit ASes present in the Internet Routing Table: 2502
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: 9238
Number of LACNIC addresses announced to Internet: 171250784
Equivalent to 10 /8s, 53 /16s and 20 /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: 37468
Total AfriNIC prefixes after maximum aggregation: 6929
AfriNIC Deaggregation factor: 5.41
Prefixes being announced from the AfriNIC address blocks: 50941
Unique aggregates announced from the AfriNIC address blocks: 13860
AfriNIC Region origin ASes present in the Internet Routing Table: 1931
AfriNIC Prefixes per ASN: 26.38
AfriNIC Region origin ASes announcing only one prefix: 657
AfriNIC Region transit ASes present in the Internet Routing Table: 370
Average AfriNIC Region AS path length visible: 3.4
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: 104957184
Equivalent to 6 /8s, 65 /16s and 133 /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 11812 8761 117 CHINAMOBILE-CN China Mobile Communication
7545 6148 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4852 4193 77 ERX-CERNET-BKB China Education and Resear
18403 4504 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4465 535 312 BBIL-AP BHARTI Airtel Ltd., IN
7552 3922 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3722 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3305 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2901 854 525 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2654 812 179 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 13677 40961 5257 AMAZON-02, US
174 5393 8769 849 COGENT-174, US
11492 4788 317 606 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3637 1320 82 SHAW, CA
22773 3339 3034 168 ASN-CXA-ALL-CCI-22773-RDC, US
749 3225 54767 2476 DNIC-AS-00749, US
396982 3195 3854 432 GOOGLE-CLOUD-PLATFORM, US
16625 3119 1313 2253 AKAMAI-AS, US
4155 2850 216 1725 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 9766 1298 1046 TTNET, TR
12479 7637 1713 150 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4096 3396 140 AKAMAI-ASN1, NL
9009 3800 361 2123 M247, RO
12389 3124 2317 875 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2454 364 578 TELLCOM-AS, TR
212238 2349 168 1716 CDNEXT, GB
8452 1867 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 12362 3252 568 UNINET, MX
10620 3513 481 1023 Telmex Colombia S.A., CO
13999 2531 538 352 Mega Cable, S.A. de C.V., MX
11830 1988 369 64 Instituto Costarricense de Electricidad y
28573 1612 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1346 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1197 371 22 Telefonica del Peru S.A.A., PE
11664 1166 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1053 70 380 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1023 2487 55 TIM SA, BR
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
37457 1639 316 32 Telkom-Internet, ZA
24835 1622 633 33 RAYA-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
20011 1296 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36992 1146 1466 339 ETISALAT-MISR, EG
36935 743 520 38 Vodafone-, EG
24863 658 389 22 LINKdotNET-AS, EG
37069 609 1112 11 MOBINIL, EG
36914 570 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 13677 40961 5257 AMAZON-02, US
8151 12362 3252 568 UNINET, MX
9808 11812 8761 117 CHINAMOBILE-CN China Mobile Communication
47331 9766 1298 1046 TTNET, TR
12479 7637 1713 150 UNI2-AS, ES
7545 6148 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5393 8769 849 COGENT-174, US
4538 4852 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4788 317 606 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 12362 11794 UNINET, MX
9808 11812 11695 CHINAMOBILE-CN China Mobile Communications Grou
47331 9766 8720 TTNET, TR
12479 7637 7487 UNI2-AS, ES
7545 6148 5525 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 5393 4544 COGENT-174, US
18403 4504 4479 FPT-AS-AP FPT Telecom Company, VN
11492 4788 4182 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
206734 UNALLOCATED 5.175.236.0/24 215120 EVOLUS-IX, AT
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
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
198.18.0.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.1.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.2.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.3.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.4.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.5.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.6.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.7.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.9.0/24 18229 CTRLS-AS-IN CtrlS, IN
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
23.147.224.0/24 Origin: 27392 639-DATACENTERS, US
23.147.224.0/24 Transit: 3356 LEVEL3, US
Complete listing at https://bgp.nsrc.org/REN/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 /11:92 /12:298
/13:580 /14:1213 /15:2182 /16:13877 /17:8416 /18:14003
/19:25245 /20:45649 /21:54476 /22:115087 /23:111304 /24:644190
/25:406 /26:581 /27:1042 /28:72 /29:100 /30:16
/31:1 /32:868
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8844 9766 TTNET, TR
12479 6570 7637 UNI2-AS, ES
8151 6560 12362 UNINET, MX
11492 3582 4788 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3637 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2490 3339 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2344 13677 AMAZON-02, US
30036 2267 2608 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2446 2:1536 3:851 4:25 5:5089 6:162
7:6 8:1626 9:1 11:172 12:1345 13:459
14:2606 15:368 16:285 17:378 18:899 20:567
21:4 22:188 23:7818 24:2830 25:2 27:2866
29:19 31:3397 32:50 33:1 34:84 35:262
36:3544 37:4719 38:10724 39:911 40:250 41:4628
42:1995 43:2724 44:378 45:20147 46:5174 47:339
49:1937 50:1958 51:592 52:1587 54:324 55:1109
56:11 57:282 58:2284 59:1406 60:1174 61:2960
62:3029 63:1820 64:5590 65:2196 66:4821 67:3158
68:1118 69:4039 70:1070 71:633 72:2962 74:2829
75:1524 76:612 77:2861 78:4373 79:1738 80:2234
81:2256 82:3238 83:1491 84:1897 85:4433 86:1096
87:2417 88:3579 89:4617 90:777 91:8547 92:2773
93:2967 94:4206 95:5689 96:1502 97:315 98:965
99:697 100:72 101:1447 102:4493 103:32547 104:5304
105:2210 106:976 107:2655 108:1274 109:4230 110:2246
111:3341 112:2240 113:1884 114:1973 115:2279 116:2127
117:2560 118:3001 119:1986 120:2160 121:1401 122:2815
123:2447 124:1753 125:2935 126:91 128:1641 129:1000
130:1335 131:2225 132:881 133:450 134:1588 135:435
136:1442 137:1202 138:3209 139:1588 140:1643 141:1536
142:1962 143:2069 144:1197 145:567 146:2201 147:2112
148:2713 149:2999 150:1237 151:2227 152:2104 153:590
154:8056 155:1839 156:3101 157:1964 158:1350 159:2498
160:3757 161:1905 162:3908 163:2257 164:1923 165:2134
166:1512 167:2056 168:4309 169:813 170:5598 171:1009
172:4454 173:3391 174:920 175:1323 176:3842 177:6007
178:4152 179:2772 180:2678 181:4327 182:3495 183:2253
184:2129 185:21878 186:5921 187:5149 188:4403 189:4710
190:10006 191:1720 192:11385 193:9540 194:7898 195:5761
196:3622 197:3846 198:6301 199:8618 200:8837 201:6643
202:10855 203:10772 204:4625 205:3693 206:4564 207:3656
208:4300 209:5254 210:4934 211:2678 212:4776 213:3919
214:1037 215:46 216:6867 217:3242 218:1424 219:574
220:2144 221:1187 222:845 223:2660
End of report
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