[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Jun 28 22:45:20 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sat 28 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: 1040295
Prefixes after maximum aggregation (per Origin AS): 385487
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 484462
Total ASes present in the Internet Routing Table: 77080
Prefixes per ASN: 13.50
Origin-only ASes present in the Internet Routing Table: 66368
Origin ASes announcing only one prefix: 26309
Transit ASes present in the Internet Routing Table: 10712
Transit-only ASes present in the Internet Routing Table: 539
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: 1201
Number of instances of unregistered ASNs: 1243
Number of 32-bit ASNs allocated by the RIRs: 46681
Number of 32-bit ASNs visible in the Routing Table: 38521
Prefixes from 32-bit ASNs in the Routing Table: 216838
Number of bogon 32-bit ASNs visible in the Routing Table: 159
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 453
Number of addresses announced to Internet: 3107700999
Equivalent to 185 /8s, 59 /16s and 193 /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: 350905
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 269045
Total APNIC prefixes after maximum aggregation: 78201
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 259686
Unique aggregates announced from the APNIC address blocks: 104693
APNIC Region origin ASes present in the Internet Routing Table: 14697
APNIC Prefixes per ASN: 17.67
APNIC Region origin ASes announcing only one prefix: 4460
APNIC Region transit ASes present in the Internet Routing Table: 1935
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: 10208
Number of APNIC addresses announced to Internet: 749912897
Equivalent to 44 /8s, 178 /16s and 195 /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: 298144
Total ARIN prefixes after maximum aggregation: 133003
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 299304
Unique aggregates announced from the ARIN address blocks: 139704
ARIN Region origin ASes present in the Internet Routing Table: 19248
ARIN Prefixes per ASN: 15.55
ARIN Region origin ASes announcing only one prefix: 7015
ARIN Region transit ASes present in the Internet Routing Table: 1916
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: 1349593856
Equivalent to 80 /8s, 113 /16s and 43 /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: 293383
Total RIPE prefixes after maximum aggregation: 136887
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 291765
Unique aggregates announced from the RIPE address blocks: 176930
RIPE Region origin ASes present in the Internet Routing Table: 29007
RIPE Prefixes per ASN: 10.06
RIPE Region origin ASes announcing only one prefix: 12027
RIPE Region transit ASes present in the Internet Routing Table: 3861
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: 12546
Number of RIPE addresses announced to Internet: 731416422
Equivalent to 43 /8s, 152 /16s and 135 /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: 138705
Total LACNIC prefixes after maximum aggregation: 29802
LACNIC Deaggregation factor: 4.65
Prefixes being announced from the LACNIC address blocks: 135306
Unique aggregates announced from the LACNIC address blocks: 48923
LACNIC Region origin ASes present in the Internet Routing Table: 11282
LACNIC Prefixes per ASN: 11.99
LACNIC Region origin ASes announcing only one prefix: 2164
LACNIC Region transit ASes present in the Internet Routing Table: 2467
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: 9229
Number of LACNIC addresses announced to Internet: 171249248
Equivalent to 10 /8s, 53 /16s and 14 /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: 39817
Total AfriNIC prefixes after maximum aggregation: 6829
AfriNIC Deaggregation factor: 5.83
Prefixes being announced from the AfriNIC address blocks: 53780
Unique aggregates announced from the AfriNIC address blocks: 13807
AfriNIC Region origin ASes present in the Internet Routing Table: 1927
AfriNIC Prefixes per ASN: 27.91
AfriNIC Region origin ASes announcing only one prefix: 643
AfriNIC Region transit ASes present in the Internet Routing Table: 364
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: 1293
Number of AfriNIC addresses announced to Internet: 105276416
Equivalent to 6 /8s, 70 /16s and 100 /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 11472 8759 115 CHINAMOBILE-CN China Mobile Communication
7545 6153 841 652 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4921 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4453 535 315 BBIL-AP BHARTI Airtel Ltd., IN
18403 4405 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 3307 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2896 857 529 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2291 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 13639 40953 5233 AMAZON-02, US
174 5363 8758 851 COGENT-174, US
11492 4781 317 604 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3637 1320 82 SHAW, CA
22773 3352 3032 167 ASN-CXA-ALL-CCI-22773-RDC, US
749 3227 54767 2478 DNIC-AS-00749, US
396982 3193 3854 430 GOOGLE-CLOUD-PLATFORM, US
16625 3128 1314 2259 AKAMAI-AS, US
4155 2840 216 1720 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 9759 1297 1052 TTNET, TR
12479 7672 1713 148 UNI2-AS, ES
39891 4780 291 66 ALJAWWALSTC-AS, SA
20940 4084 3396 140 AKAMAI-ASN1, NL
9009 3916 359 2095 M247, RO
12389 3122 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2452 364 576 TELLCOM-AS, TR
212238 2336 170 1703 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 12298 3256 575 UNINET, MX
10620 3506 481 1018 Telmex Colombia S.A., CO
13999 2537 538 355 Mega Cable, S.A. de C.V., MX
11830 1988 369 64 Instituto Costarricense de Electricidad y
28573 1614 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1197 371 22 Telefonica del Peru S.A.A., PE
11664 1179 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1065 71 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1054 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
24835 1822 644 27 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1621 389 16 LINKdotNET-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1436 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 582 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 13639 40953 5233 AMAZON-02, US
8151 12298 3256 575 UNINET, MX
9808 11472 8759 115 CHINAMOBILE-CN China Mobile Communication
47331 9759 1297 1052 TTNET, TR
12479 7672 1713 148 UNI2-AS, ES
7545 6153 841 652 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5363 8758 851 COGENT-174, US
4538 4921 4193 77 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 12298 11723 UNINET, MX
9808 11472 11357 CHINAMOBILE-CN China Mobile Communications Grou
47331 9759 8707 TTNET, TR
12479 7672 7524 UNI2-AS, ES
7545 6153 5501 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4921 4844 ERX-CERNET-BKB China Education and Research Net
39891 4780 4714 ALJAWWALSTC-AS, SA
174 5363 4512 COGENT-174, US
18403 4405 4380 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 /15:2188 /16:13936 /17:8434 /18:14018
/19:25309 /20:46121 /21:54618 /22:115882 /23:111285 /24:643145
/25:404 /26:583 /27:1043 /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 6595 7672 UNI2-AS, ES
8151 6485 12298 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 2503 3352 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2349 13639 AMAZON-02, US
30036 2259 2600 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2423 2:1545 3:820 4:25 5:5042 6:161
7:6 8:1634 9:1 11:172 12:1343 13:447
14:2582 15:368 16:285 17:380 18:921 20:565
21:4 22:188 23:7724 24:2830 25:2 27:2837
29:19 31:3384 32:50 33:1 34:84 35:261
36:3205 37:4682 38:10653 39:909 40:207 41:4833
42:1945 43:2689 44:381 45:20304 46:5202 47:327
49:1975 50:1902 51:592 52:1589 54:324 55:1122
56:11 57:280 58:2305 59:1421 60:1172 61:3044
62:3066 63:1816 64:5556 65:2200 66:4793 67:3143
68:1114 69:4019 70:1074 71:632 72:2955 74:2831
75:1527 76:612 77:2875 78:4366 79:1756 80:2248
81:2261 82:3250 83:1487 84:1901 85:4433 86:1100
87:2414 88:3579 89:4587 90:780 91:8516 92:2759
93:2960 94:4147 95:5683 96:1492 97:314 98:962
99:688 100:72 101:1443 102:4464 103:32630 104:5250
105:2243 106:976 107:2666 108:1267 109:4182 110:2248
111:3310 112:2164 113:1878 114:2016 115:2262 116:2130
117:2544 118:2953 119:1976 120:2119 121:1448 122:2818
123:2519 124:1710 125:2932 126:91 128:1641 129:993
130:1362 131:2226 132:893 133:451 134:1565 135:394
136:1358 137:1191 138:3177 139:1589 140:1631 141:1515
142:1961 143:2064 144:1180 145:565 146:2203 147:2130
148:2720 149:3000 150:1277 151:2114 152:2113 153:590
154:8249 155:1776 156:3211 157:1956 158:1340 159:2506
160:3722 161:1913 162:3905 163:2250 164:1917 165:2094
166:1516 167:2029 168:4300 169:818 170:5579 171:1014
172:4489 173:3370 174:921 175:1323 176:3847 177:5975
178:4093 179:2733 180:2707 181:4335 182:3479 183:2207
184:2129 185:21934 186:5882 187:5084 188:4386 189:4696
190:10039 191:1705 192:11364 193:9552 194:7930 195:5725
196:3698 197:3962 198:6247 199:8602 200:8832 201:6633
202:10801 203:10807 204:4627 205:3706 206:4540 207:3627
208:4297 209:5255 210:4933 211:2645 212:4798 213:3931
214:1016 215:46 216:6851 217:3286 218:1426 219:570
220:2140 221:1157 222:857 223:2567
End of report
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