[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 16 22:46:58 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Fri 16 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: 1034703
Prefixes after maximum aggregation (per Origin AS): 382629
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 480120
Total ASes present in the Internet Routing Table: 76982
Prefixes per ASN: 13.44
Origin-only ASes present in the Internet Routing Table: 66251
Origin ASes announcing only one prefix: 26343
Transit ASes present in the Internet Routing Table: 10731
Transit-only ASes present in the Internet Routing Table: 543
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: 153
Max AS path prepend of ASN (153737) 150
Prefixes from unregistered ASNs in the Routing Table: 1077
Number of instances of unregistered ASNs: 1087
Number of 32-bit ASNs allocated by the RIRs: 46423
Number of 32-bit ASNs visible in the Routing Table: 38298
Prefixes from 32-bit ASNs in the Routing Table: 214240
Number of bogon 32-bit ASNs visible in the Routing Table: 86
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 469
Number of addresses announced to Internet: 3110685989
Equivalent to 185 /8s, 105 /16s and 77 /24s
Percentage of available address space announced: 84.0
Percentage of allocated address space announced: 84.0
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: 349491
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265960
Total APNIC prefixes after maximum aggregation: 77559
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 257184
Unique aggregates announced from the APNIC address blocks: 103312
APNIC Region origin ASes present in the Internet Routing Table: 14645
APNIC Prefixes per ASN: 17.56
APNIC Region origin ASes announcing only one prefix: 4446
APNIC Region transit ASes present in the Internet Routing Table: 1933
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 153
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10137
Number of APNIC addresses announced to Internet: 749465920
Equivalent to 44 /8s, 171 /16s and 241 /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: 297363
Total ARIN prefixes after maximum aggregation: 132325
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 298189
Unique aggregates announced from the ARIN address blocks: 138781
ARIN Region origin ASes present in the Internet Routing Table: 19261
ARIN Prefixes per ASN: 15.48
ARIN Region origin ASes announcing only one prefix: 7022
ARIN Region transit ASes present in the Internet Routing Table: 1913
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: 5215
Number of ARIN addresses announced to Internet: 1352442624
Equivalent to 80 /8s, 156 /16s and 163 /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: 291068
Total RIPE prefixes after maximum aggregation: 135426
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288907
Unique aggregates announced from the RIPE address blocks: 174758
RIPE Region origin ASes present in the Internet Routing Table: 28977
RIPE Prefixes per ASN: 9.97
RIPE Region origin ASes announcing only one prefix: 12033
RIPE Region transit ASes present in the Internet Routing Table: 3887
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12457
Number of RIPE addresses announced to Internet: 731274085
Equivalent to 43 /8s, 150 /16s and 91 /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: 139635
Total LACNIC prefixes after maximum aggregation: 29747
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 135402
Unique aggregates announced from the LACNIC address blocks: 48990
LACNIC Region origin ASes present in the Internet Routing Table: 11251
LACNIC Prefixes per ASN: 12.03
LACNIC Region origin ASes announcing only one prefix: 2190
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: 9200
Number of LACNIC addresses announced to Internet: 171859072
Equivalent to 10 /8s, 62 /16s and 92 /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: 39600
Total AfriNIC prefixes after maximum aggregation: 6921
AfriNIC Deaggregation factor: 5.72
Prefixes being announced from the AfriNIC address blocks: 54551
Unique aggregates announced from the AfriNIC address blocks: 13883
AfriNIC Region origin ASes present in the Internet Routing Table: 1919
AfriNIC Prefixes per ASN: 28.43
AfriNIC Region origin ASes announcing only one prefix: 652
AfriNIC Region transit ASes present in the Internet Routing Table: 361
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: 1289
Number of AfriNIC addresses announced to Internet: 105425920
Equivalent to 6 /8s, 72 /16s and 172 /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 10992 8756 98 CHINAMOBILE-CN China Mobile Communication
7545 6164 842 652 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4871 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4392 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4379 534 303 BBIL-AP BHARTI Airtel Ltd., IN
7552 3908 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3714 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3290 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2869 852 536 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 13438 40826 5016 AMAZON-02, US
174 5397 8747 884 COGENT-174, US
11492 4727 313 592 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3362 3048 169 ASN-CXA-ALL-CCI-22773-RDC, US
749 3243 54815 2494 DNIC-AS-00749, US
396982 3165 3851 417 GOOGLE-CLOUD-PLATFORM, US
16625 3159 1321 2270 AKAMAI-AS, US
36352 2794 229 860 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 7698 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4085 3396 140 AKAMAI-ASN1, NL
9009 3794 327 1971 M247, RO
12389 3074 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2440 363 574 TELLCOM-AS, TR
212238 2140 150 1575 CDNEXT, GB
8452 1908 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 12409 3265 684 UNINET, MX
10620 3500 480 1019 Telmex Colombia S.A., CO
13999 2518 540 364 Mega Cable, S.A. de C.V., MX
11830 1997 369 64 Instituto Costarricense de Electricidad y
28573 1603 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1195 371 22 Telefonica del Peru S.A.A., PE
28202 1128 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1107 278 33 Techtel LMDS Comunicaciones Interactivas
262287 1070 83 229 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 1778 632 28 RAYA-AS, EG
24863 1652 389 16 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1598 102 33 ORANGE-COTE-IVOIRE, CI
36992 1435 1519 280 ETISALAT-MISR, EG
20011 1295 204 345 INTERNET-SOLUTIONS, ZA
36903 1250 554 97 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1040 523 45 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 13438 40826 5016 AMAZON-02, US
8151 12409 3265 684 UNINET, MX
9808 10992 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7698 1714 148 UNI2-AS, ES
7545 6164 842 652 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5397 8747 884 COGENT-174, US
4538 4871 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4727 313 592 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 12409 11725 UNINET, MX
9808 10992 10894 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7698 7550 UNI2-AS, ES
7545 6164 5512 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4871 4793 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5397 4513 COGENT-174, US
18403 4392 4367 FPT-AS-AP FPT Telecom Company, VN
11492 4727 4135 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
23.140.216.0/24 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
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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 /9:16 /10:41 /11:92 /12:299
/13:582 /14:1232 /15:2200 /16:14094 /17:8448 /18:14212
/19:25377 /20:46018 /21:54449 /22:115531 /23:110137 /24:638695
/25:585 /26:586 /27:1053 /28:67 /29:105 /30:19
/31:3 /32:845
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6614 7698 UNI2-AS, ES
8151 6550 12409 UNINET, MX
11492 3533 4727 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2510 3362 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2329 13438 AMAZON-02, US
30036 2228 2568 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2383 2:1540 3:750 4:27 5:5011 6:163
7:6 8:1663 9:1 11:172 12:1368 13:422
14:2563 15:356 16:284 17:375 18:915 20:531
21:4 22:188 23:7614 24:2867 25:2 27:2818
29:19 31:3343 32:51 33:1 34:84 35:210
36:2917 37:4761 38:10438 39:911 40:169 41:4698
42:1997 43:2623 44:385 45:20175 46:5132 47:305
49:1954 50:1910 51:590 52:1588 54:317 55:1090
56:11 57:267 58:2306 59:1434 60:1167 61:3033
62:3053 63:1838 64:5535 65:2187 66:4724 67:3099
68:1151 69:4014 70:1087 71:639 72:2864 74:2822
75:1632 76:620 77:2817 78:4356 79:1784 80:2243
81:2255 82:3197 83:1472 84:1885 85:4396 86:1077
87:2432 88:3552 89:4543 90:778 91:8470 92:2713
93:2923 94:4142 95:5576 96:1477 97:326 98:982
99:686 100:72 101:1426 102:4440 103:32550 104:5049
105:2244 106:1034 107:2663 108:1237 109:4140 110:2250
111:3352 112:2094 113:1830 114:1989 115:2237 116:2101
117:2592 118:2893 119:1972 120:1954 121:1441 122:2786
123:2412 124:1688 125:2904 126:91 128:1638 129:1034
130:1319 131:2130 132:895 133:451 134:1549 135:378
136:1356 137:1181 138:3246 139:1612 140:1599 141:1505
142:1944 143:1866 144:1119 145:512 146:2189 147:2114
148:2712 149:2934 150:1225 151:1905 152:2114 153:564
154:8398 155:1988 156:3369 157:1923 158:1323 159:2456
160:3953 161:1902 162:3776 163:2174 164:1757 165:2240
166:1485 167:1937 168:4612 169:824 170:5400 171:1011
172:4486 173:3310 174:919 175:1307 176:3837 177:6152
178:3813 179:2760 180:2690 181:4243 182:3437 183:2124
184:2123 185:21860 186:5768 187:5081 188:4377 189:4687
190:9888 191:2077 192:11295 193:9557 194:7899 195:5706
196:3674 197:3935 198:6243 199:8541 200:8776 201:6627
202:10771 203:10743 204:4589 205:3643 206:4552 207:3614
208:4302 209:5302 210:4913 211:2643 212:4758 213:3882
214:1026 215:48 216:6793 217:3218 218:1402 219:557
220:2096 221:1086 222:849 223:2400
End of report
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