[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri May 30 22:44:59 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Fri 30 May, 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: 1037557
Prefixes after maximum aggregation (per Origin AS): 383669
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 483267
Total ASes present in the Internet Routing Table: 77028
Prefixes per ASN: 13.47
Origin-only ASes present in the Internet Routing Table: 66278
Origin ASes announcing only one prefix: 26372
Transit ASes present in the Internet Routing Table: 10750
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: 1149
Number of instances of unregistered ASNs: 1161
Number of 32-bit ASNs allocated by the RIRs: 46543
Number of 32-bit ASNs visible in the Routing Table: 38367
Prefixes from 32-bit ASNs in the Routing Table: 215260
Number of bogon 32-bit ASNs visible in the Routing Table: 91
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 457
Number of addresses announced to Internet: 3112218405
Equivalent to 185 /8s, 128 /16s and 175 /24s
Percentage of available address space announced: 84.1
Percentage of allocated address space announced: 84.1
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: 350487
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266704
Total APNIC prefixes after maximum aggregation: 77824
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 257750
Unique aggregates announced from the APNIC address blocks: 104525
APNIC Region origin ASes present in the Internet Routing Table: 14641
APNIC Prefixes per ASN: 17.60
APNIC Region origin ASes announcing only one prefix: 4454
APNIC Region transit ASes present in the Internet Routing Table: 1934
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10143
Number of APNIC addresses announced to Internet: 749779520
Equivalent to 44 /8s, 176 /16s and 186 /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: 298254
Total ARIN prefixes after maximum aggregation: 132771
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 299220
Unique aggregates announced from the ARIN address blocks: 139409
ARIN Region origin ASes present in the Internet Routing Table: 19258
ARIN Prefixes per ASN: 15.54
ARIN Region origin ASes announcing only one prefix: 7031
ARIN Region transit ASes present in the Internet Routing Table: 1902
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: 5227
Number of ARIN addresses announced to Internet: 1352932352
Equivalent to 80 /8s, 164 /16s and 28 /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: 291691
Total RIPE prefixes after maximum aggregation: 135784
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 289778
Unique aggregates announced from the RIPE address blocks: 175394
RIPE Region origin ASes present in the Internet Routing Table: 29003
RIPE Prefixes per ASN: 9.99
RIPE Region origin ASes announcing only one prefix: 12051
RIPE Region transit ASes present in the Internet Routing Table: 3883
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: 12479
Number of RIPE addresses announced to Internet: 731924581
Equivalent to 43 /8s, 160 /16s and 72 /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: 140107
Total LACNIC prefixes after maximum aggregation: 29812
LACNIC Deaggregation factor: 4.70
Prefixes being announced from the LACNIC address blocks: 135887
Unique aggregates announced from the LACNIC address blocks: 49074
LACNIC Region origin ASes present in the Internet Routing Table: 11277
LACNIC Prefixes per ASN: 12.05
LACNIC Region origin ASes announcing only one prefix: 2187
LACNIC Region transit ASes present in the Internet Routing Table: 2493
Average LACNIC Region AS path length visible: 3.2
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: 172082560
Equivalent to 10 /8s, 65 /16s and 197 /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: 39652
Total AfriNIC prefixes after maximum aggregation: 6810
AfriNIC Deaggregation factor: 5.82
Prefixes being announced from the AfriNIC address blocks: 54464
Unique aggregates announced from the AfriNIC address blocks: 14456
AfriNIC Region origin ASes present in the Internet Routing Table: 1923
AfriNIC Prefixes per ASN: 28.32
AfriNIC Region origin ASes announcing only one prefix: 649
AfriNIC Region transit ASes present in the Internet Routing Table: 367
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1290
Number of AfriNIC addresses announced to Internet: 105296128
Equivalent to 6 /8s, 70 /16s and 177 /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 11124 8756 98 CHINAMOBILE-CN China Mobile Communication
7545 6178 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4870 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4408 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4393 534 304 BBIL-AP BHARTI Airtel Ltd., IN
7552 3924 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3716 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3296 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2882 854 530 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2208 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 13599 40829 5192 AMAZON-02, US
174 5336 8747 897 COGENT-174, US
11492 4735 314 586 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3631 1320 81 SHAW, CA
22773 3361 3049 171 ASN-CXA-ALL-CCI-22773-RDC, US
749 3230 54783 2481 DNIC-AS-00749, US
396982 3175 3853 420 GOOGLE-CLOUD-PLATFORM, US
16625 3153 1315 2268 AKAMAI-AS, US
36352 2817 230 853 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 9752 1296 1077 TTNET, TR
12479 7721 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4085 3396 140 AKAMAI-ASN1, NL
9009 3910 356 2078 M247, RO
12389 3081 2306 890 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2440 363 573 TELLCOM-AS, TR
212238 2221 161 1635 CDNEXT, GB
8452 1928 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 12471 3272 680 UNINET, MX
10620 3499 480 1017 Telmex Colombia S.A., CO
13999 2513 540 362 Mega Cable, S.A. de C.V., MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
28573 1604 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1198 371 22 Telefonica del Peru S.A.A., PE
28202 1112 52 9 MASTER SA, BR
11664 1097 278 33 Techtel LMDS Comunicaciones Interactivas
262287 1074 83 232 Latitude.sh LTDA, 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 1780 644 27 RAYA-AS, EG
24863 1651 389 16 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1610 102 33 ORANGE-COTE-IVOIRE, CI
36992 1434 1519 280 ETISALAT-MISR, EG
20011 1297 205 347 INTERNET-SOLUTIONS, ZA
36903 1248 553 101 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1056 523 46 Vodafone-, EG
3741 560 661 319 IS, ZA
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 13599 40829 5192 AMAZON-02, US
8151 12471 3272 680 UNINET, MX
9808 11124 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7721 1714 148 UNI2-AS, ES
7545 6178 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5336 8747 897 COGENT-174, US
4538 4870 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4735 314 586 CABLEONE, US
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 12471 11791 UNINET, MX
9808 11124 11026 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7721 7573 UNI2-AS, ES
7545 6178 5528 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4870 4792 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5336 4439 COGENT-174, US
18403 4408 4383 FPT-AS-AP FPT Telecom Company, VN
11492 4735 4149 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
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D
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
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
23.139.140.0/24 Origin: 27172 3COM-ROUTERNET-ALPHA, US
23.139.140.0/24 Transit: 265950 HLP Mobile and Worldwide Tracking Ltda,
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
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 /9:16 /10:41 /11:92 /12:299
/13:583 /14:1231 /15:2199 /16:14023 /17:8452 /18:14212
/19:25387 /20:46125 /21:54499 /22:115688 /23:110837 /24:640578
/25:586 /26:587 /27:1051 /28:68 /29:105 /30:18
/31:3 /32:860
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6636 7721 UNI2-AS, ES
8151 6610 12471 UNINET, MX
11492 3532 4735 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3426 3631 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2507 3361 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2378 13599 AMAZON-02, US
30036 2237 2578 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2418 2:1534 3:799 4:25 5:5010 6:162
7:6 8:1650 9:1 11:172 12:1365 13:441
14:2566 15:362 16:285 17:377 18:919 20:553
21:4 22:188 23:7637 24:2908 25:2 27:2833
29:19 31:3352 32:51 33:1 34:84 35:219
36:3040 37:4727 38:10471 39:911 40:171 41:4779
42:1980 43:2640 44:386 45:20173 46:5162 47:322
49:1957 50:1904 51:591 52:1602 54:321 55:1097
56:11 57:272 58:2311 59:1442 60:1168 61:3046
62:3061 63:1827 64:5513 65:2205 66:4762 67:3123
68:1159 69:4021 70:1099 71:643 72:2951 74:2827
75:1532 76:621 77:2820 78:4369 79:1717 80:2246
81:2253 82:3176 83:1486 84:1883 85:4403 86:1072
87:2414 88:3553 89:4567 90:779 91:8501 92:2733
93:2936 94:4146 95:5611 96:1475 97:325 98:981
99:689 100:72 101:1451 102:4406 103:32532 104:5082
105:2243 106:1035 107:2666 108:1268 109:4116 110:2254
111:3351 112:2136 113:1842 114:1995 115:2242 116:2105
117:2540 118:2892 119:1981 120:2003 121:1447 122:2795
123:2428 124:1700 125:2919 126:91 128:1641 129:1035
130:1357 131:2152 132:896 133:449 134:1554 135:379
136:1361 137:1190 138:3247 139:1596 140:1607 141:1507
142:1950 143:1920 144:1151 145:515 146:2212 147:2115
148:2696 149:2954 150:1256 151:1943 152:2114 153:569
154:8348 155:2014 156:3327 157:1944 158:1335 159:2486
160:3952 161:1903 162:3810 163:2204 164:1791 165:2264
166:1493 167:1957 168:4638 169:823 170:5544 171:1014
172:4471 173:3335 174:919 175:1303 176:3836 177:6069
178:3841 179:2743 180:2700 181:4322 182:3446 183:2143
184:2126 185:21901 186:5921 187:5095 188:4366 189:4651
190:10002 191:2049 192:11346 193:9538 194:7914 195:5723
196:3658 197:3937 198:6254 199:8579 200:8797 201:6615
202:10739 203:10759 204:4599 205:3676 206:4536 207:3606
208:4282 209:5264 210:4926 211:2637 212:4782 213:3890
214:1030 215:48 216:6837 217:3207 218:1412 219:557
220:2095 221:1107 222:855 223:2423
End of report
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