[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Jul 31 22:46:38 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Thu 31 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: 1044093
Prefixes after maximum aggregation (per Origin AS): 389422
Deaggregation factor: 2.68
Unique aggregates announced (without unneeded subnets): 213733
Total ASes present in the Internet Routing Table: 77241
Prefixes per ASN: 13.52
Origin-only ASes present in the Internet Routing Table: 66467
Origin ASes announcing only one prefix: 26356
Transit ASes present in the Internet Routing Table: 10774
Transit-only ASes present in the Internet Routing Table: 541
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: 1198
Number of instances of unregistered ASNs: 1241
Number of 32-bit ASNs allocated by the RIRs: 46997
Number of 32-bit ASNs visible in the Routing Table: 38750
Prefixes from 32-bit ASNs in the Routing Table: 218514
Number of bogon 32-bit ASNs visible in the Routing Table: 122
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 458
Number of addresses announced to Internet: 3978806682
Equivalent to 237 /8s, 39 /16s and 197 /24s
Percentage of available address space announced: 107.5
Percentage of allocated address space announced: 107.5
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: 351194
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 271939
Total APNIC prefixes after maximum aggregation: 78865
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 262748
Unique aggregates announced from the APNIC address blocks: 67854
APNIC Region origin ASes present in the Internet Routing Table: 14774
APNIC Prefixes per ASN: 17.78
APNIC Region origin ASes announcing only one prefix: 4495
APNIC Region transit ASes present in the Internet Routing Table: 1956
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10288
Number of APNIC addresses announced to Internet: 465209352
Equivalent to 27 /8s, 186 /16s and 136 /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: 299446
Total ARIN prefixes after maximum aggregation: 133622
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 300704
Unique aggregates announced from the ARIN address blocks: 51056
ARIN Region origin ASes present in the Internet Routing Table: 19276
ARIN Prefixes per ASN: 15.60
ARIN Region origin ASes announcing only one prefix: 7030
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: 5275
Number of ARIN addresses announced to Internet: 855966720
Equivalent to 51 /8s, 5 /16s and 4 /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: 292914
Total RIPE prefixes after maximum aggregation: 139223
RIPE Deaggregation factor: 2.10
Prefixes being announced from the RIPE address blocks: 291710
Unique aggregates announced from the RIPE address blocks: 81924
RIPE Region origin ASes present in the Internet Routing Table: 29032
RIPE Prefixes per ASN: 10.05
RIPE Region origin ASes announcing only one prefix: 12018
RIPE Region transit ASes present in the Internet Routing Table: 3894
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12628
Number of RIPE addresses announced to Internet: -1688836974
Equivalent to 155 /8s, 86 /16s and 100 /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: 139318
Total LACNIC prefixes after maximum aggregation: 29948
LACNIC Deaggregation factor: 4.65
Prefixes being announced from the LACNIC address blocks: 135802
Unique aggregates announced from the LACNIC address blocks: 6113
LACNIC Region origin ASes present in the Internet Routing Table: 11275
LACNIC Prefixes per ASN: 12.04
LACNIC Region origin ASes announcing only one prefix: 2150
LACNIC Region transit ASes present in the Internet Routing Table: 2477
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: 3623424
Equivalent to 0 /8s, 55 /16s and 74 /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: 39278
Total AfriNIC prefixes after maximum aggregation: 7007
AfriNIC Deaggregation factor: 5.61
Prefixes being announced from the AfriNIC address blocks: 52670
Unique aggregates announced from the AfriNIC address blocks: 6587
AfriNIC Region origin ASes present in the Internet Routing Table: 1957
AfriNIC Prefixes per ASN: 26.91
AfriNIC Region origin ASes announcing only one prefix: 663
AfriNIC Region transit ASes present in the Internet Routing Table: 366
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1323
Number of AfriNIC addresses announced to Internet: 47782400
Equivalent to 2 /8s, 217 /16s and 26 /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 12435 8759 115 CHINAMOBILE-CN China Mobile Communication
7545 6139 837 624 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4857 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4549 347 26 FPT-AS-AP FPT Telecom Company, VN
9498 4467 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3908 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3697 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3299 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2918 864 512 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2892 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 13696 40976 5276 AMAZON-02, US
174 5349 8770 856 COGENT-174, US
11492 4826 320 606 CABLEONE, US
7155 3855 286 85 VIASAT-SP-BACKBONE, US
6327 3637 1320 82 SHAW, CA
22773 3342 3030 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3222 54766 2473 DNIC-AS-00749, US
396982 3201 3856 435 GOOGLE-CLOUD-PLATFORM, US
16625 3077 1302 2230 AKAMAI-AS, US
4155 2900 220 1745 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 9099 1230 2529 TTNET, TR
12479 7587 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4055 3396 140 AKAMAI-ASN1, NL
9009 3829 363 2143 M247, RO
12389 3119 2315 869 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2455 364 579 TELLCOM-AS, TR
212238 2319 165 1688 CDNEXT, GB
8452 1844 1852 14 TE-AS TE-AS, EG
13188 1605 100 37 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 12403 3272 577 UNINET, MX
10620 3481 473 1037 Telmex Colombia S.A., CO
13999 2522 511 354 Mega Cable, S.A. de C.V., MX
11830 1984 369 64 Instituto Costarricense de Electricidad y
28573 1616 2435 269 Claro NXT Telecomunicacoes Ltda, BR
3816 1351 788 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1194 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1188 371 22 Telefonica del Peru S.A.A., PE
22884 1072 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 1725 660 28 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1604 102 51 ORANGE-COTE-IVOIRE, CI
36992 1367 1491 365 ETISALAT-MISR, EG
20011 1281 200 335 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
24863 1232 389 20 LINKdotNET-AS, EG
37069 1086 1112 11 MOBINIL, EG
36935 914 520 43 Vodafone-, EG
36914 572 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 13696 40976 5276 AMAZON-02, US
9808 12435 8759 115 CHINAMOBILE-CN China Mobile Communication
8151 12403 3272 577 UNINET, MX
47331 9099 1230 2529 TTNET, TR
12479 7587 1712 148 UNI2-AS, ES
7545 6139 837 624 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5349 8770 856 COGENT-174, US
4538 4857 4194 78 ERX-CERNET-BKB China Education and Resear
11492 4826 320 606 CABLEONE, US
39891 4798 293 63 ALJAWWALSTC-AS, SA
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 12435 12320 CHINAMOBILE-CN China Mobile Communications Grou
8151 12403 11826 UNINET, MX
12479 7587 7439 UNI2-AS, ES
47331 9099 6570 TTNET, TR
7545 6139 5515 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4857 4779 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4549 4523 FPT-AS-AP FPT Telecom Company, VN
174 5349 4493 COGENT-174, US
11492 4826 4220 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
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
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: 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
23.143.4.0/24 Origin: 401866 MASTER-IT-SUPPORT, PR
23.143.4.0/24 Transit: 46962 HRCOM, PR
Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
!!Default route being announced!!
/1:1 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:14 /10:41 /11:92 /12:298
/13:581 /14:1219 /15:2188 /16:13910 /17:8481 /18:14036
/19:25372 /20:46182 /21:54534 /22:115729 /23:111435 /24:646830
/25:409 /26:581 /27:1058 /28:72 /29:95 /30:18
/31:4 /32:896
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8208 9099 TTNET, TR
8151 6588 12403 UNINET, MX
12479 6538 7587 UNI2-AS, ES
11492 3618 4826 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3637 SHAW, CA
7155 2814 3855 VIASAT-SP-BACKBONE, US
22773 2494 3342 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2362 13696 AMAZON-02, US
30036 2291 2632 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2466 2:1537 3:857 4:25 5:5062 6:163
7:6 8:1617 9:2 11:172 12:1344 13:458
14:2615 15:371 16:286 17:378 18:899 20:572
21:4 22:188 23:7840 24:2827 25:2 27:2855
29:19 31:3430 32:49 33:1 34:84 35:266
36:4075 37:4689 38:10761 39:951 40:247 41:4715
42:2046 43:2747 44:383 45:20317 46:5182 47:340
49:1944 50:2041 51:591 52:1587 54:325 55:1091
56:11 57:283 58:2276 59:1408 60:1172 61:3045
62:3059 63:1814 64:5615 65:2192 66:4868 67:3162
68:1109 69:4056 70:1066 71:636 72:2962 74:2844
75:1524 76:614 77:2874 78:4196 79:1730 80:2241
81:2225 82:3265 83:1483 84:1915 85:4397 86:1100
87:2408 88:3401 89:4583 90:781 91:8547 92:2746
93:2969 94:4164 95:5629 96:1503 97:315 98:958
99:695 100:71 101:1484 102:4526 103:32532 104:5251
105:2227 106:972 107:2673 108:1283 109:4247 110:2246
111:3512 112:2373 113:1876 114:1984 115:2286 116:2137
117:2634 118:3017 119:1998 120:2219 121:1402 122:2825
123:2362 124:1795 125:2934 126:91 128:1648 129:1003
130:1342 131:2228 132:890 133:450 134:1609 135:397
136:1469 137:1200 138:3193 139:1595 140:1694 141:1523
142:1957 143:2101 144:1171 145:571 146:2205 147:2109
148:2739 149:3005 150:1281 151:2271 152:2099 153:590
154:7963 155:1876 156:3149 157:1984 158:1366 159:2530
160:3719 161:1945 162:3921 163:2268 164:1933 165:2479
166:1541 167:2049 168:4281 169:813 170:5591 171:1003
172:4260 173:3437 174:922 175:1329 176:3868 177:6006
178:4138 179:2748 180:2656 181:4354 182:3549 183:2311
184:2125 185:21910 186:5963 187:5175 188:4391 189:4739
190:10017 191:1728 192:11402 193:9554 194:7896 195:5782
196:3687 197:3876 198:6270 199:8663 200:8903 201:6629
202:10875 203:10804 204:4692 205:3661 206:4568 207:3670
208:4300 209:5264 210:5014 211:2711 212:4778 213:3940
214:1026 215:48 216:6892 217:3299 218:1454 219:577
220:2154 221:1207 222:871 223:2761
End of report
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