[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Jun 29 22:45:06 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sun 29 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: 1039684
Prefixes after maximum aggregation (per Origin AS): 385228
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 484179
Total ASes present in the Internet Routing Table: 77002
Prefixes per ASN: 13.50
Origin-only ASes present in the Internet Routing Table: 66294
Origin ASes announcing only one prefix: 26318
Transit ASes present in the Internet Routing Table: 10708
Transit-only ASes present in the Internet Routing Table: 538
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: 1174
Number of instances of unregistered ASNs: 1216
Number of 32-bit ASNs allocated by the RIRs: 46719
Number of 32-bit ASNs visible in the Routing Table: 38445
Prefixes from 32-bit ASNs in the Routing Table: 216354
Number of bogon 32-bit ASNs visible in the Routing Table: 160
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 452
Number of addresses announced to Internet: 3107611655
Equivalent to 185 /8s, 58 /16s and 100 /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: 350725
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 268774
Total APNIC prefixes after maximum aggregation: 78050
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 259420
Unique aggregates announced from the APNIC address blocks: 104495
APNIC Region origin ASes present in the Internet Routing Table: 14626
APNIC Prefixes per ASN: 17.74
APNIC Region origin ASes announcing only one prefix: 4473
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: 10137
Number of APNIC addresses announced to Internet: 749845825
Equivalent to 44 /8s, 177 /16s and 189 /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: 298134
Total ARIN prefixes after maximum aggregation: 132978
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 299228
Unique aggregates announced from the ARIN address blocks: 139670
ARIN Region origin ASes present in the Internet Routing Table: 19247
ARIN Prefixes per ASN: 15.55
ARIN Region origin ASes announcing only one prefix: 7013
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: 1349577728
Equivalent to 80 /8s, 112 /16s and 236 /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: 293149
Total RIPE prefixes after maximum aggregation: 136815
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 291576
Unique aggregates announced from the RIPE address blocks: 176894
RIPE Region origin ASes present in the Internet Routing Table: 29004
RIPE Prefixes per ASN: 10.05
RIPE Region origin ASes announcing only one prefix: 12026
RIPE Region transit ASes present in the Internet Routing Table: 3860
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: 12542
Number of RIPE addresses announced to Internet: 731406694
Equivalent to 43 /8s, 152 /16s and 97 /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: 138622
Total LACNIC prefixes after maximum aggregation: 29807
LACNIC Deaggregation factor: 4.65
Prefixes being announced from the LACNIC address blocks: 135232
Unique aggregates announced from the LACNIC address blocks: 48907
LACNIC Region origin ASes present in the Internet Routing Table: 11280
LACNIC Prefixes per ASN: 11.99
LACNIC Region origin ASes announcing only one prefix: 2165
LACNIC Region transit ASes present in the Internet Routing Table: 2466
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: 9230
Number of LACNIC addresses announced to Internet: 171256416
Equivalent to 10 /8s, 53 /16s and 42 /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: 39831
Total AfriNIC prefixes after maximum aggregation: 6827
AfriNIC Deaggregation factor: 5.83
Prefixes being announced from the AfriNIC address blocks: 53775
Unique aggregates announced from the AfriNIC address blocks: 13809
AfriNIC Region origin ASes present in the Internet Routing Table: 1926
AfriNIC Prefixes per ASN: 27.92
AfriNIC Region origin ASes announcing only one prefix: 641
AfriNIC Region transit ASes present in the Internet Routing Table: 365
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1291
Number of AfriNIC addresses announced to Internet: 105273088
Equivalent to 6 /8s, 70 /16s and 87 /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 4963 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4453 535 315 BBIL-AP BHARTI Airtel Ltd., IN
18403 4412 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 13601 40951 5213 AMAZON-02, US
174 5370 8758 853 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
36352 2834 231 859 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 7674 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 1613 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 1823 660 28 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1622 389 16 LINKdotNET-AS, EG
29571 1606 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 573 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 13601 40951 5213 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 7674 1713 148 UNI2-AS, ES
7545 6153 841 652 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5370 8758 853 COGENT-174, US
4538 4963 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 7674 7526 UNI2-AS, ES
7545 6153 5501 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4963 4886 ERX-CERNET-BKB China Education and Research Net
39891 4780 4714 ALJAWWALSTC-AS, SA
174 5370 4517 COGENT-174, US
18403 4412 4387 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 /16:13938 /17:8433 /18:14016
/19:25323 /20:46127 /21:54627 /22:115859 /23:111231 /24:642582
/25:404 /26:583 /27:1043 /28:69 /29:105 /30:18
/31:3 /32:867
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8838 9759 TTNET, TR
12479 6597 7674 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 2347 13601 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)
----------------------------------------------
1:2427 2:1541 3:817 4:25 5:4996 6:161
7:6 8:1634 9:1 11:172 12:1342 13:447
14:2582 15:367 16:285 17:380 18:921 20:565
21:4 22:188 23:7730 24:2830 25:2 27:2837
29:19 31:3383 32:50 33:1 34:84 35:261
36:3204 37:4674 38:10607 39:909 40:208 41:4820
42:1945 43:2693 44:382 45:20286 46:5202 47:327
49:1975 50:1901 51:592 52:1589 54:323 55:1097
56:11 57:280 58:2306 59:1420 60:1172 61:3045
62:3063 63:1815 64:5556 65:2200 66:4792 67:3140
68:1114 69:4019 70:1074 71:632 72:2955 74:2831
75:1527 76:612 77:2875 78:4366 79:1754 80:2245
81:2260 82:3244 83:1475 84:1898 85:4434 86:1093
87:2415 88:3579 89:4563 90:780 91:8511 92:2760
93:2962 94:4142 95:5679 96:1490 97:314 98:962
99:688 100:72 101:1443 102:4476 103:32427 104:5245
105:2243 106:975 107:2667 108:1267 109:4172 110:2248
111:3307 112:2163 113:1879 114:2016 115:2262 116:2130
117:2552 118:2936 119:1976 120:2123 121:1448 122:2818
123:2518 124:1711 125:2932 126:91 128:1641 129:988
130:1334 131:2225 132:894 133:451 134:1564 135:433
136:1357 137:1192 138:3186 139:1589 140:1631 141:1513
142:1961 143:2062 144:1180 145:565 146:2201 147:2123
148:2719 149:3000 150:1277 151:2092 152:2112 153:590
154:8254 155:1776 156:3211 157:1946 158:1339 159:2509
160:3706 161:1911 162:3909 163:2246 164:1917 165:2095
166:1515 167:2028 168:4302 169:815 170:5581 171:1012
172:4483 173:3384 174:915 175:1324 176:3847 177:5959
178:4097 179:2741 180:2706 181:4337 182:3474 183:2203
184:2129 185:21927 186:5881 187:5089 188:4380 189:4698
190:10032 191:1701 192:11347 193:9547 194:7932 195:5727
196:3694 197:3954 198:6240 199:8596 200:8826 201:6631
202:10803 203:10796 204:4626 205:3699 206:4539 207:3652
208:4298 209:5255 210:4933 211:2645 212:4795 213:3930
214:1015 215:46 216:6850 217:3286 218:1426 219:572
220:2140 221:1157 222:857 223:2567
End of report
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