[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon May 12 22:47:14 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Mon 12 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: 1033467
Prefixes after maximum aggregation (per Origin AS): 382154
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 479848
Total ASes present in the Internet Routing Table: 76993
Prefixes per ASN: 13.42
Origin-only ASes present in the Internet Routing Table: 66243
Origin ASes announcing only one prefix: 26386
Transit ASes present in the Internet Routing Table: 10750
Transit-only ASes present in the Internet Routing Table: 544
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: 1082
Number of instances of unregistered ASNs: 1085
Number of 32-bit ASNs allocated by the RIRs: 46405
Number of 32-bit ASNs visible in the Routing Table: 38290
Prefixes from 32-bit ASNs in the Routing Table: 213265
Number of bogon 32-bit ASNs visible in the Routing Table: 70
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 475
Number of addresses announced to Internet: 3111312933
Equivalent to 185 /8s, 114 /16s and 222 /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: 265950
Total APNIC prefixes after maximum aggregation: 77500
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 256995
Unique aggregates announced from the APNIC address blocks: 103334
APNIC Region origin ASes present in the Internet Routing Table: 14656
APNIC Prefixes per ASN: 17.54
APNIC Region origin ASes announcing only one prefix: 4457
APNIC Region transit ASes present in the Internet Routing Table: 1936
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: 10148
Number of APNIC addresses announced to Internet: 749458496
Equivalent to 44 /8s, 171 /16s and 212 /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: 132002
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 298289
Unique aggregates announced from the ARIN address blocks: 138647
ARIN Region origin ASes present in the Internet Routing Table: 19267
ARIN Prefixes per ASN: 15.48
ARIN Region origin ASes announcing only one prefix: 7027
ARIN Region transit ASes present in the Internet Routing Table: 1915
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: 5206
Number of ARIN addresses announced to Internet: 1353202944
Equivalent to 80 /8s, 168 /16s and 61 /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: 290734
Total RIPE prefixes after maximum aggregation: 135332
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288376
Unique aggregates announced from the RIPE address blocks: 174572
RIPE Region origin ASes present in the Internet Routing Table: 28983
RIPE Prefixes per ASN: 9.95
RIPE Region origin ASes announcing only one prefix: 12033
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: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12452
Number of RIPE addresses announced to Internet: 731159653
Equivalent to 43 /8s, 148 /16s and 156 /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: 138805
Total LACNIC prefixes after maximum aggregation: 29767
LACNIC Deaggregation factor: 4.66
Prefixes being announced from the LACNIC address blocks: 135329
Unique aggregates announced from the LACNIC address blocks: 49002
LACNIC Region origin ASes present in the Internet Routing Table: 11241
LACNIC Prefixes per ASN: 12.04
LACNIC Region origin ASes announcing only one prefix: 2215
LACNIC Region transit ASes present in the Internet Routing Table: 2482
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: 9192
Number of LACNIC addresses announced to Internet: 171878784
Equivalent to 10 /8s, 62 /16s and 169 /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: 39533
Total AfriNIC prefixes after maximum aggregation: 6900
AfriNIC Deaggregation factor: 5.73
Prefixes being announced from the AfriNIC address blocks: 54002
Unique aggregates announced from the AfriNIC address blocks: 13901
AfriNIC Region origin ASes present in the Internet Routing Table: 1921
AfriNIC Prefixes per ASN: 28.11
AfriNIC Region origin ASes announcing only one prefix: 654
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: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1292
Number of AfriNIC addresses announced to Internet: 105383680
Equivalent to 6 /8s, 72 /16s and 7 /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 10803 8756 98 CHINAMOBILE-CN China Mobile Communication
7545 6164 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4860 4193 77 ERX-CERNET-BKB China Education and Resear
18403 4396 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4371 534 303 BBIL-AP BHARTI Airtel Ltd., IN
7552 3909 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3714 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3286 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 13380 40833 4905 AMAZON-02, US
174 5389 8750 898 COGENT-174, US
11492 4727 313 592 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3617 1320 81 SHAW, CA
22773 3359 3048 169 ASN-CXA-ALL-CCI-22773-RDC, US
749 3253 54861 2504 DNIC-AS-00749, US
396982 3165 3852 417 GOOGLE-CLOUD-PLATFORM, US
16625 3163 1324 2272 AKAMAI-AS, US
36352 2794 228 853 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 7697 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4075 3396 140 AKAMAI-ASN1, NL
9009 3826 330 1984 M247, RO
12389 3074 2303 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2411 363 577 TELLCOM-AS, TR
212238 2142 151 1576 CDNEXT, GB
8452 1941 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 12367 3264 687 UNINET, MX
10620 3500 480 1019 Telmex Colombia S.A., CO
13999 2513 540 362 Mega Cable, S.A. de C.V., MX
11830 1997 369 64 Instituto Costarricense de Electricidad y
28573 1601 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1337 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1191 371 22 Telefonica del Peru S.A.A., PE
28202 1128 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1109 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1057 70 380 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 1744 631 30 RAYA-AS, EG
24863 1650 389 16 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1595 102 33 ORANGE-COTE-IVOIRE, CI
36992 1434 1518 283 ETISALAT-MISR, EG
20011 1295 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36935 1035 523 45 Vodafone-, EG
37069 998 1100 18 MOBINIL, 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 13380 40833 4905 AMAZON-02, US
8151 12367 3264 687 UNINET, MX
9808 10803 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7697 1714 148 UNI2-AS, ES
7545 6164 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5389 8750 898 COGENT-174, US
4538 4860 4193 77 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 12367 11680 UNINET, MX
9808 10803 10705 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7697 7549 UNI2-AS, ES
7545 6164 5510 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4860 4783 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5389 4491 COGENT-174, US
18403 4396 4371 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
211747 UNALLOCATED 5.231.225.0/24 204044 ONLYSERVERS Dedicated S
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
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
23.138.204.0/24 Origin: 203062 ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux
23.138.204.0/24 Transit: 34872 SERVPERSO_SYSTEMS, BE
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
23.152.48.0/24 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 /11:93 /12:300
/13:582 /14:1233 /15:2200 /16:14097 /17:8438 /18:14212
/19:25359 /20:45857 /21:54298 /22:115553 /23:110136 /24:637762
/25:584 /26:587 /27:1052 /28:67 /29:107 /30:20
/31:2 /32:854
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6618 7697 UNI2-AS, ES
8151 6515 12367 UNINET, MX
11492 3533 4727 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3412 3617 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2507 3359 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2329 13380 AMAZON-02, US
30036 2221 2561 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2381 2:1535 3:721 4:27 5:4993 6:163
7:6 8:1664 9:1 11:172 12:1368 13:395
14:2562 15:355 16:285 17:373 18:919 20:529
21:4 22:188 23:7599 24:2905 25:2 27:2818
29:19 31:3327 32:52 33:1 34:84 35:211
36:2786 37:4759 38:10451 39:910 40:172 41:4753
42:2017 43:2630 44:379 45:20081 46:5123 47:300
49:1952 50:1908 51:591 52:1589 54:307 55:1090
56:11 57:267 58:2297 59:1434 60:1166 61:3027
62:3049 63:1845 64:5532 65:2203 66:4770 67:3130
68:1155 69:4012 70:1106 71:644 72:2958 74:2819
75:1628 76:621 77:2812 78:4355 79:1779 80:2242
81:2251 82:3195 83:1475 84:1874 85:4398 86:1059
87:2429 88:3547 89:4527 90:777 91:8477 92:2704
93:2916 94:4134 95:5572 96:1477 97:326 98:983
99:677 100:72 101:1429 102:4447 103:32557 104:5034
105:2237 106:1034 107:2652 108:1237 109:4138 110:2247
111:3341 112:2081 113:1829 114:1989 115:2264 116:2107
117:2619 118:2907 119:1972 120:1923 121:1440 122:2781
123:2411 124:1687 125:2903 126:91 128:1624 129:1028
130:1340 131:2110 132:892 133:451 134:1544 135:377
136:1321 137:1183 138:3228 139:1630 140:1597 141:1502
142:1945 143:1838 144:1112 145:510 146:2188 147:2101
148:2635 149:2933 150:1226 151:1865 152:2111 153:563
154:8497 155:1717 156:3499 157:1930 158:1310 159:2447
160:3695 161:1903 162:3761 163:2171 164:1756 165:2240
166:1479 167:1936 168:4377 169:818 170:5550 171:1012
172:4440 173:3297 174:913 175:1306 176:3821 177:6187
178:3818 179:2726 180:2692 181:4238 182:3429 183:2088
184:2125 185:21867 186:5788 187:5075 188:4367 189:4663
190:9979 191:2080 192:11291 193:9564 194:7887 195:5654
196:3681 197:4007 198:6236 199:8537 200:8797 201:6607
202:10755 203:10742 204:4588 205:3587 206:4548 207:3602
208:4311 209:5306 210:4953 211:2644 212:4740 213:3861
214:1030 215:48 216:6821 217:3212 218:1402 219:551
220:2093 221:1082 222:849 223:2379
End of report
More information about the ren-bgp-stats-all
mailing list