[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jun 24 22:45:05 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Tue 24 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: 1039234
Prefixes after maximum aggregation (per Origin AS): 384527
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 483129
Total ASes present in the Internet Routing Table: 77024
Prefixes per ASN: 13.49
Origin-only ASes present in the Internet Routing Table: 66310
Origin ASes announcing only one prefix: 26310
Transit ASes present in the Internet Routing Table: 10714
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: 1242
Number of instances of unregistered ASNs: 1285
Number of 32-bit ASNs allocated by the RIRs: 46698
Number of 32-bit ASNs visible in the Routing Table: 38461
Prefixes from 32-bit ASNs in the Routing Table: 216612
Number of bogon 32-bit ASNs visible in the Routing Table: 163
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 457
Number of addresses announced to Internet: 3107662343
Equivalent to 185 /8s, 59 /16s and 42 /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: 351537
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 268246
Total APNIC prefixes after maximum aggregation: 78001
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 259410
Unique aggregates announced from the APNIC address blocks: 104636
APNIC Region origin ASes present in the Internet Routing Table: 14689
APNIC Prefixes per ASN: 17.66
APNIC Region origin ASes announcing only one prefix: 4464
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: 10194
Number of APNIC addresses announced to Internet: 749821761
Equivalent to 44 /8s, 177 /16s and 95 /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: 298000
Total ARIN prefixes after maximum aggregation: 132821
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 299555
Unique aggregates announced from the ARIN address blocks: 139525
ARIN Region origin ASes present in the Internet Routing Table: 19241
ARIN Prefixes per ASN: 15.57
ARIN Region origin ASes announcing only one prefix: 7004
ARIN Region transit ASes present in the Internet Routing Table: 1914
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: 5238
Number of ARIN addresses announced to Internet: 1349874176
Equivalent to 80 /8s, 117 /16s and 114 /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: 292541
Total RIPE prefixes after maximum aggregation: 136288
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 290951
Unique aggregates announced from the RIPE address blocks: 176037
RIPE Region origin ASes present in the Internet Routing Table: 28957
RIPE Prefixes per ASN: 10.05
RIPE Region origin ASes announcing only one prefix: 12014
RIPE Region transit ASes present in the Internet Routing Table: 3852
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12506
Number of RIPE addresses announced to Internet: 731366502
Equivalent to 43 /8s, 151 /16s and 196 /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: 139406
Total LACNIC prefixes after maximum aggregation: 29804
LACNIC Deaggregation factor: 4.68
Prefixes being announced from the LACNIC address blocks: 136028
Unique aggregates announced from the LACNIC address blocks: 48859
LACNIC Region origin ASes present in the Internet Routing Table: 11282
LACNIC Prefixes per ASN: 12.06
LACNIC Region origin ASes announcing only one prefix: 2183
LACNIC Region transit ASes present in the Internet Routing Table: 2479
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: 171298144
Equivalent to 10 /8s, 53 /16s and 205 /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: 39799
Total AfriNIC prefixes after maximum aggregation: 6833
AfriNIC Deaggregation factor: 5.82
Prefixes being announced from the AfriNIC address blocks: 52832
Unique aggregates announced from the AfriNIC address blocks: 13663
AfriNIC Region origin ASes present in the Internet Routing Table: 1930
AfriNIC Prefixes per ASN: 27.37
AfriNIC Region origin ASes announcing only one prefix: 645
AfriNIC Region transit ASes present in the Internet Routing Table: 366
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1294
Number of AfriNIC addresses announced to Internet: 105095936
Equivalent to 6 /8s, 67 /16s and 163 /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 11428 8761 113 CHINAMOBILE-CN China Mobile Communication
7545 6155 846 653 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4960 4194 78 ERX-CERNET-BKB China Education and Resear
9498 4435 535 310 BBIL-AP BHARTI Airtel Ltd., IN
18403 4402 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 3303 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2895 857 531 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2209 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
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 13570 40952 5207 AMAZON-02, US
174 5462 8743 865 COGENT-174, US
11492 4781 317 604 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 81 SHAW, CA
22773 3349 3032 166 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 2262 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 7676 1713 148 UNI2-AS, ES
39891 4780 291 66 ALJAWWALSTC-AS, SA
20940 4076 3396 140 AKAMAI-ASN1, NL
9009 3956 362 2100 M247, RO
12389 3117 2304 891 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2452 364 576 TELLCOM-AS, TR
212238 2316 169 1698 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 12253 3256 576 UNINET, MX
10620 3505 481 1017 Telmex Colombia S.A., CO
13999 2537 537 353 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 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1198 371 22 Telefonica del Peru S.A.A., PE
11664 1113 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 1621 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 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 13570 40952 5207 AMAZON-02, US
8151 12253 3256 576 UNINET, MX
9808 11428 8761 113 CHINAMOBILE-CN China Mobile Communication
47331 9759 1297 1052 TTNET, TR
12479 7676 1713 148 UNI2-AS, ES
7545 6155 846 653 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5462 8743 865 COGENT-174, US
4538 4960 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 12253 11677 UNINET, MX
9808 11428 11315 CHINAMOBILE-CN China Mobile Communications Grou
47331 9759 8707 TTNET, TR
12479 7676 7528 UNI2-AS, ES
7545 6155 5502 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4960 4882 ERX-CERNET-BKB China Education and Research Net
39891 4780 4714 ALJAWWALSTC-AS, SA
174 5462 4597 COGENT-174, US
18403 4402 4377 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
100.64.3.0/24 52091 LEVEL-MSK-AS Level-MSK Ltd., RU
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
23.147.240.0/24 Origin: 32302 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US
23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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 /12:299
/13:585 /14:1220 /15:2186 /16:13951 /17:8444 /18:14033
/19:25326 /20:46166 /21:54560 /22:115889 /23:111192 /24:642127
/25:402 /26:584 /27:1039 /28:69 /29:105 /30:17
/31:3 /32:873
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8838 9759 TTNET, TR
12479 6598 7676 UNI2-AS, ES
8151 6442 12253 UNINET, MX
11492 3577 4781 CABLEONE, US
39891 3489 4780 ALJAWWALSTC-AS, SA
6327 3431 3636 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2501 3349 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2332 13570 AMAZON-02, US
30036 2254 2595 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 2:1522 3:819 4:25 5:5154 6:162
7:6 8:1632 9:1 11:172 12:1346 13:444
14:2575 15:365 16:285 17:380 18:920 20:562
21:4 22:188 23:7708 24:2984 25:2 27:2835
29:19 31:3361 32:46 33:1 34:84 35:260
36:3169 37:4730 38:10695 39:909 40:193 41:4822
42:1946 43:2673 44:387 45:20184 46:5183 47:322
49:1975 50:1900 51:592 52:1588 54:323 55:1101
56:11 57:281 58:2306 59:1421 60:1171 61:3046
62:3032 63:1815 64:5554 65:2196 66:4761 67:3135
68:1144 69:4028 70:1089 71:633 72:2966 74:2833
75:1527 76:610 77:2846 78:4341 79:1747 80:2245
81:2242 82:3248 83:1539 84:1893 85:4417 86:1092
87:2410 88:3576 89:4591 90:773 91:8520 92:2753
93:2965 94:4120 95:5644 96:1491 97:315 98:986
99:682 100:73 101:1444 102:4452 103:32648 104:5187
105:2243 106:971 107:2669 108:1265 109:4168 110:2250
111:3355 112:2152 113:1884 114:2012 115:2266 116:2128
117:2542 118:2933 119:1977 120:2110 121:1451 122:2818
123:2523 124:1709 125:2927 126:91 128:1642 129:994
130:1337 131:2217 132:888 133:451 134:1557 135:395
136:1358 137:1191 138:3182 139:1586 140:1627 141:1509
142:1961 143:2033 144:1179 145:553 146:2207 147:2123
148:2716 149:2998 150:1276 151:2092 152:2105 153:589
154:7707 155:1774 156:2909 157:1948 158:1334 159:2503
160:3706 161:1913 162:3896 163:2243 164:1916 165:2079
166:1505 167:2020 168:4292 169:820 170:5586 171:1013
172:4493 173:3370 174:922 175:1322 176:3849 177:6176
178:3966 179:2769 180:2705 181:4331 182:3463 183:2209
184:2130 185:21758 186:5891 187:5168 188:4389 189:4682
190:10036 191:2076 192:11388 193:9520 194:7919 195:5713
196:3707 197:3952 198:6240 199:8589 200:8813 201:6637
202:10777 203:10807 204:4607 205:3694 206:4577 207:3616
208:4304 209:5254 210:4935 211:2641 212:4786 213:3914
214:1009 215:47 216:6862 217:3278 218:1420 219:572
220:2139 221:1150 222:857 223:2544
End of report
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