[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun May 18 22:47:01 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sun 18 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: 1035264
Prefixes after maximum aggregation (per Origin AS): 382692
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 480024
Total ASes present in the Internet Routing Table: 76978
Prefixes per ASN: 13.45
Origin-only ASes present in the Internet Routing Table: 66243
Origin ASes announcing only one prefix: 26338
Transit ASes present in the Internet Routing Table: 10735
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: 52
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1083
Number of instances of unregistered ASNs: 1093
Number of 32-bit ASNs allocated by the RIRs: 46451
Number of 32-bit ASNs visible in the Routing Table: 38294
Prefixes from 32-bit ASNs in the Routing Table: 214196
Number of bogon 32-bit ASNs visible in the Routing Table: 85
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 455
Number of addresses announced to Internet: 3111241765
Equivalent to 185 /8s, 113 /16s and 200 /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: 349866
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266007
Total APNIC prefixes after maximum aggregation: 77589
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 257214
Unique aggregates announced from the APNIC address blocks: 103298
APNIC Region origin ASes present in the Internet Routing Table: 14647
APNIC Prefixes per ASN: 17.56
APNIC Region origin ASes announcing only one prefix: 4445
APNIC Region transit ASes present in the Internet Routing Table: 1938
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: 10139
Number of APNIC addresses announced to Internet: 749539392
Equivalent to 44 /8s, 173 /16s and 16 /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: 297819
Total ARIN prefixes after maximum aggregation: 132377
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 298624
Unique aggregates announced from the ARIN address blocks: 138721
ARIN Region origin ASes present in the Internet Routing Table: 19261
ARIN Prefixes per ASN: 15.50
ARIN Region origin ASes announcing only one prefix: 7020
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: 5215
Number of ARIN addresses announced to Internet: 1352897792
Equivalent to 80 /8s, 163 /16s and 149 /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: 291055
Total RIPE prefixes after maximum aggregation: 135416
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288908
Unique aggregates announced from the RIPE address blocks: 174739
RIPE Region origin ASes present in the Internet Routing Table: 28980
RIPE Prefixes per ASN: 9.97
RIPE Region origin ASes announcing only one prefix: 12040
RIPE Region transit ASes present in the Internet Routing Table: 3889
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: 12458
Number of RIPE addresses announced to Internet: 731276389
Equivalent to 43 /8s, 150 /16s and 100 /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: 139636
Total LACNIC prefixes after maximum aggregation: 29735
LACNIC Deaggregation factor: 4.70
Prefixes being announced from the LACNIC address blocks: 135419
Unique aggregates announced from the LACNIC address blocks: 48968
LACNIC Region origin ASes present in the Internet Routing Table: 11245
LACNIC Prefixes per ASN: 12.04
LACNIC Region origin ASes announcing only one prefix: 2188
LACNIC Region transit ASes present in the Internet Routing Table: 2476
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: 9195
Number of LACNIC addresses announced to Internet: 171887488
Equivalent to 10 /8s, 62 /16s and 203 /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: 39664
Total AfriNIC prefixes after maximum aggregation: 6920
AfriNIC Deaggregation factor: 5.73
Prefixes being announced from the AfriNIC address blocks: 54643
Unique aggregates announced from the AfriNIC address blocks: 13898
AfriNIC Region origin ASes present in the Internet Routing Table: 1918
AfriNIC Prefixes per ASN: 28.49
AfriNIC Region origin ASes announcing only one prefix: 645
AfriNIC Region transit ASes present in the Internet Routing Table: 364
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: 1287
Number of AfriNIC addresses announced to Internet: 105420544
Equivalent to 6 /8s, 72 /16s and 151 /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 6165 842 653 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4871 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4479 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4381 534 303 BBIL-AP BHARTI Airtel Ltd., IN
7552 3908 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3715 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 13446 40825 5048 AMAZON-02, US
174 5396 8747 884 COGENT-174, US
11492 4726 313 592 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3366 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 3156 1320 2270 AKAMAI-AS, US
36352 2807 229 870 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 7699 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4085 3396 140 AKAMAI-ASN1, NL
9009 3786 326 1967 M247, RO
12389 3074 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2440 363 574 TELLCOM-AS, TR
212238 2149 151 1581 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 12417 3267 686 UNINET, MX
10620 3499 480 1018 Telmex Colombia S.A., CO
13999 2517 540 364 Mega Cable, S.A. de C.V., MX
11830 1997 369 64 Instituto Costarricense de Electricidad y
28573 1602 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1197 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 1038 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 13446 40825 5048 AMAZON-02, US
8151 12417 3267 686 UNINET, MX
9808 10992 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7699 1714 148 UNI2-AS, ES
7545 6165 842 653 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5396 8747 884 COGENT-174, US
4538 4871 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4726 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 12417 11731 UNINET, MX
9808 10992 10894 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7699 7551 UNI2-AS, ES
7545 6165 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 5396 4512 COGENT-174, US
18403 4479 4454 FPT-AS-AP FPT Telecom Company, VN
11492 4726 4134 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
23.146.16.0/24 Origin: 396281 RESERVED, ZZ
23.146.16.0/24 Transit: 7018 ATT-INTERNET4, US
23.146.19.0/24 Origin: 396281 RESERVED, ZZ
23.146.19.0/24 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
/13:583 /14:1232 /15:2199 /16:14095 /17:8452 /18:14216
/19:25380 /20:46032 /21:54467 /22:115564 /23:110325 /24:638992
/25:585 /26:585 /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 6615 7699 UNI2-AS, ES
8151 6556 12417 UNINET, MX
11492 3532 4726 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2514 3366 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2331 13446 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)
----------------------------------------------
1:2399 2:1533 3:769 4:27 5:5013 6:163
7:6 8:1662 9:1 11:172 12:1370 13:422
14:2563 15:355 16:284 17:377 18:914 20:533
21:4 22:188 23:7606 24:2903 25:2 27:2821
29:19 31:3333 32:51 33:1 34:84 35:210
36:2918 37:4750 38:10438 39:914 40:169 41:4748
42:2022 43:2624 44:386 45:20154 46:5121 47:305
49:1952 50:1911 51:590 52:1591 54:312 55:1093
56:11 57:267 58:2310 59:1433 60:1167 61:3033
62:3057 63:1834 64:5530 65:2203 66:4750 67:3129
68:1153 69:4012 70:1088 71:640 72:2930 74:2824
75:1632 76:620 77:2817 78:4358 79:1780 80:2243
81:2250 82:3199 83:1473 84:1885 85:4398 86:1076
87:2433 88:3552 89:4547 90:778 91:8471 92:2712
93:2925 94:4143 95:5572 96:1476 97:326 98:983
99:686 100:72 101:1426 102:4432 103:32532 104:5047
105:2244 106:1035 107:2663 108:1238 109:4142 110:2251
111:3352 112:2095 113:1836 114:1989 115:2235 116:2102
117:2561 118:2904 119:1972 120:1955 121:1441 122:2787
123:2413 124:1688 125:2905 126:91 128:1638 129:1034
130:1338 131:2130 132:894 133:450 134:1551 135:378
136:1354 137:1183 138:3240 139:1614 140:1600 141:1510
142:1944 143:1870 144:1118 145:511 146:2183 147:2114
148:2713 149:2943 150:1226 151:1911 152:2112 153:564
154:8417 155:1985 156:3370 157:1929 158:1324 159:2456
160:3932 161:1902 162:3776 163:2176 164:1780 165:2239
166:1485 167:1937 168:4622 169:824 170:5399 171:1011
172:4460 173:3315 174:919 175:1306 176:3834 177:6134
178:3817 179:2753 180:2690 181:4246 182:3439 183:2129
184:2125 185:21863 186:5786 187:5079 188:4374 189:4686
190:9869 191:2074 192:11305 193:9559 194:7899 195:5711
196:3677 197:3944 198:6246 199:8542 200:8769 201:6632
202:10765 203:10736 204:4588 205:3684 206:4553 207:3611
208:4303 209:5301 210:4915 211:2644 212:4753 213:3880
214:1025 215:48 216:6816 217:3214 218:1402 219:557
220:2096 221:1086 222:849 223:2400
End of report
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