[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jun 25 22:45:13 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Wed 25 Jun, 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: 1039974
Prefixes after maximum aggregation (per Origin AS): 384956
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 483677
Total ASes present in the Internet Routing Table: 77064
Prefixes per ASN: 13.49
Origin-only ASes present in the Internet Routing Table: 66356
Origin ASes announcing only one prefix: 26322
Transit ASes present in the Internet Routing Table: 10708
Transit-only ASes present in the Internet Routing Table: 537
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: 1209
Number of instances of unregistered ASNs: 1252
Number of 32-bit ASNs allocated by the RIRs: 46645
Number of 32-bit ASNs visible in the Routing Table: 38500
Prefixes from 32-bit ASNs in the Routing Table: 216410
Number of bogon 32-bit ASNs visible in the Routing Table: 163
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 463
Number of addresses announced to Internet: 3107754759
Equivalent to 185 /8s, 60 /16s and 147 /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: 351756
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 268239
Total APNIC prefixes after maximum aggregation: 78086
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 259332
Unique aggregates announced from the APNIC address blocks: 104617
APNIC Region origin ASes present in the Internet Routing Table: 14694
APNIC Prefixes per ASN: 17.65
APNIC Region origin ASes announcing only one prefix: 4468
APNIC Region transit ASes present in the Internet Routing Table: 1932
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: 10202
Number of APNIC addresses announced to Internet: 749786177
Equivalent to 44 /8s, 176 /16s and 212 /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: 298534
Total ARIN prefixes after maximum aggregation: 132955
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 299741
Unique aggregates announced from the ARIN address blocks: 139626
ARIN Region origin ASes present in the Internet Routing Table: 19252
ARIN Prefixes per ASN: 15.57
ARIN Region origin ASes announcing only one prefix: 7009
ARIN Region transit ASes present in the Internet Routing Table: 1907
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: 1349913856
Equivalent to 80 /8s, 118 /16s and 13 /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: 292797
Total RIPE prefixes after maximum aggregation: 136501
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 291144
Unique aggregates announced from the RIPE address blocks: 176461
RIPE Region origin ASes present in the Internet Routing Table: 28980
RIPE Prefixes per ASN: 10.05
RIPE Region origin ASes announcing only one prefix: 12021
RIPE Region transit ASes present in the Internet Routing Table: 3856
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12529
Number of RIPE addresses announced to Internet: 731459430
Equivalent to 43 /8s, 153 /16s and 47 /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: 139373
Total LACNIC prefixes after maximum aggregation: 29811
LACNIC Deaggregation factor: 4.68
Prefixes being announced from the LACNIC address blocks: 136003
Unique aggregates announced from the LACNIC address blocks: 48848
LACNIC Region origin ASes present in the Internet Routing Table: 11284
LACNIC Prefixes per ASN: 12.05
LACNIC Region origin ASes announcing only one prefix: 2178
LACNIC Region transit ASes present in the Internet Routing Table: 2480
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: 9228
Number of LACNIC addresses announced to Internet: 171296864
Equivalent to 10 /8s, 53 /16s and 200 /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: 39822
Total AfriNIC prefixes after maximum aggregation: 6825
AfriNIC Deaggregation factor: 5.83
Prefixes being announced from the AfriNIC address blocks: 53290
Unique aggregates announced from the AfriNIC address blocks: 13710
AfriNIC Region origin ASes present in the Internet Routing Table: 1931
AfriNIC Prefixes per ASN: 27.60
AfriNIC Region origin ASes announcing only one prefix: 646
AfriNIC Region transit ASes present in the Internet Routing Table: 366
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1296
Number of AfriNIC addresses announced to Internet: 105090304
Equivalent to 6 /8s, 67 /16s and 141 /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 11427 8759 111 CHINAMOBILE-CN China Mobile Communication
7545 6155 846 653 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4964 4194 78 ERX-CERNET-BKB China Education and Resear
9498 4436 535 311 BBIL-AP BHARTI Airtel Ltd., IN
18403 4410 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3921 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3718 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3304 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2895 857 531 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2289 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 13622 40955 5224 AMAZON-02, US
174 5415 8743 858 COGENT-174, US
11492 4781 317 604 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3637 1320 82 SHAW, CA
22773 3351 3032 167 ASN-CXA-ALL-CCI-22773-RDC, US
749 3227 54767 2478 DNIC-AS-00749, US
396982 3195 3854 430 GOOGLE-CLOUD-PLATFORM, US
16625 3131 1314 2261 AKAMAI-AS, US
36352 2837 231 857 AS-COLOCROSSING, 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 9759 1297 1052 TTNET, TR
12479 7675 1713 148 UNI2-AS, ES
39891 4780 291 66 ALJAWWALSTC-AS, SA
20940 4084 3396 140 AKAMAI-ASN1, NL
9009 3957 362 2101 M247, RO
12389 3119 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2452 364 576 TELLCOM-AS, TR
212238 2326 170 1707 CDNEXT, GB
8452 1936 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 12283 3255 577 UNINET, MX
10620 3505 481 1017 Telmex Colombia S.A., CO
13999 2539 538 354 Mega Cable, S.A. de C.V., MX
11830 1979 369 64 Instituto Costarricense de Electricidad y
28573 1613 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1197 371 22 Telefonica del Peru S.A.A., PE
11664 1112 278 33 Techtel LMDS Comunicaciones Interactivas
28202 1100 52 9 MASTER SA, BR
22884 1065 71 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
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 1822 644 27 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1622 389 16 LINKdotNET-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1434 1519 280 ETISALAT-MISR, EG
20011 1297 205 346 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1078 523 46 Vodafone-, EG
36914 575 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 13622 40955 5224 AMAZON-02, US
8151 12283 3255 577 UNINET, MX
9808 11427 8759 111 CHINAMOBILE-CN China Mobile Communication
47331 9759 1297 1052 TTNET, TR
12479 7675 1713 148 UNI2-AS, ES
7545 6155 846 653 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5415 8743 858 COGENT-174, US
4538 4964 4194 78 ERX-CERNET-BKB China Education and Resear
11492 4781 317 604 CABLEONE, US
39891 4780 291 66 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
8151 12283 11706 UNINET, MX
9808 11427 11316 CHINAMOBILE-CN China Mobile Communications Grou
47331 9759 8707 TTNET, TR
12479 7675 7527 UNI2-AS, ES
7545 6155 5502 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4964 4886 ERX-CERNET-BKB China Education and Research Net
39891 4780 4714 ALJAWWALSTC-AS, SA
174 5415 4557 COGENT-174, US
18403 4410 4385 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 /11:92 /12:299
/13:585 /14:1220 /15:2187 /16:13950 /17:8440 /18:14035
/19:25328 /20:46200 /21:54640 /22:115855 /23:111295 /24:642688
/25:403 /26:582 /27:1042 /28:69 /29:105 /30:18
/31:3 /32:866
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8838 9759 TTNET, TR
12479 6596 7675 UNI2-AS, ES
8151 6472 12283 UNINET, MX
11492 3577 4781 CABLEONE, US
39891 3489 4780 ALJAWWALSTC-AS, SA
6327 3431 3637 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2502 3351 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2350 13622 AMAZON-02, US
30036 2258 2599 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2427 2:1523 3:822 4:25 5:5012 6:162
7:6 8:1636 9:1 11:172 12:1346 13:439
14:2575 15:366 16:285 17:380 18:921 20:565
21:4 22:188 23:7720 24:2968 25:2 27:2832
29:19 31:3378 32:50 33:1 34:84 35:260
36:3199 37:4686 38:10650 39:909 40:195 41:4805
42:1945 43:2660 44:383 45:20211 46:5187 47:328
49:1974 50:1901 51:592 52:1591 54:323 55:1101
56:11 57:281 58:2306 59:1420 60:1171 61:3045
62:3059 63:1816 64:5558 65:2205 66:4761 67:3143
68:1145 69:4023 70:1090 71:633 72:2966 74:2833
75:1527 76:611 77:2854 78:4367 79:1751 80:2248
81:2246 82:3244 83:1484 84:1895 85:4419 86:1097
87:2416 88:3577 89:4578 90:779 91:8519 92:2756
93:2957 94:4130 95:5665 96:1491 97:314 98:986
99:685 100:72 101:1442 102:4477 103:32541 104:5240
105:2243 106:972 107:2672 108:1268 109:4176 110:2248
111:3345 112:2164 113:1879 114:2011 115:2264 116:2127
117:2544 118:2947 119:1976 120:2114 121:1450 122:2817
123:2513 124:1709 125:2927 126:91 128:1630 129:994
130:1341 131:2218 132:894 133:451 134:1566 135:395
136:1356 137:1192 138:3170 139:1585 140:1617 141:1513
142:1961 143:2034 144:1179 145:559 146:2209 147:2123
148:2708 149:2967 150:1275 151:2112 152:2104 153:589
154:8031 155:1779 156:3023 157:1948 158:1333 159:2505
160:3716 161:1914 162:3907 163:2245 164:1906 165:2084
166:1506 167:2026 168:4289 169:818 170:5576 171:1013
172:4494 173:3378 174:922 175:1324 176:3849 177:6193
178:3987 179:2772 180:2705 181:4313 182:3460 183:2210
184:2129 185:21876 186:5937 187:5189 188:4391 189:4726
190:10001 191:2071 192:11373 193:9530 194:7917 195:5715
196:3699 197:3951 198:6240 199:8599 200:8780 201:6632
202:10775 203:10809 204:4617 205:3705 206:4568 207:3623
208:4303 209:5253 210:4935 211:2644 212:4797 213:3923
214:1014 215:48 216:6858 217:3283 218:1421 219:572
220:2140 221:1153 222:857 223:2566
End of report
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