[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu May 15 22:47:15 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Thu 15 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: 1034924
Prefixes after maximum aggregation (per Origin AS): 382599
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 480107
Total ASes present in the Internet Routing Table: 76982
Prefixes per ASN: 13.44
Origin-only ASes present in the Internet Routing Table: 66246
Origin ASes announcing only one prefix: 26343
Transit ASes present in the Internet Routing Table: 10736
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: 153
Max AS path prepend of ASN (153737) 150
Prefixes from unregistered ASNs in the Routing Table: 1086
Number of instances of unregistered ASNs: 1096
Number of 32-bit ASNs allocated by the RIRs: 46405
Number of 32-bit ASNs visible in the Routing Table: 38294
Prefixes from 32-bit ASNs in the Routing Table: 214219
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: 491
Number of addresses announced to Internet: 3111064229
Equivalent to 185 /8s, 111 /16s and 18 /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: 349566
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265950
Total APNIC prefixes after maximum aggregation: 77559
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 257114
Unique aggregates announced from the APNIC address blocks: 103260
APNIC Region origin ASes present in the Internet Routing Table: 14635
APNIC Prefixes per ASN: 17.57
APNIC Region origin ASes announcing only one prefix: 4438
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: 153
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10129
Number of APNIC addresses announced to Internet: 749577280
Equivalent to 44 /8s, 173 /16s and 164 /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: 297483
Total ARIN prefixes after maximum aggregation: 132290
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 298364
Unique aggregates announced from the ARIN address blocks: 138821
ARIN Region origin ASes present in the Internet Routing Table: 19260
ARIN Prefixes per ASN: 15.49
ARIN Region origin ASes announcing only one prefix: 7024
ARIN Region transit ASes present in the Internet Routing Table: 1911
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: 5216
Number of ARIN addresses announced to Internet: 1352751616
Equivalent to 80 /8s, 161 /16s and 90 /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: 291021
Total RIPE prefixes after maximum aggregation: 135421
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288850
Unique aggregates announced from the RIPE address blocks: 174706
RIPE Region origin ASes present in the Internet Routing Table: 28987
RIPE Prefixes per ASN: 9.96
RIPE Region origin ASes announcing only one prefix: 12042
RIPE Region transit ASes present in the Internet Routing Table: 3890
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: 12460
Number of RIPE addresses announced to Internet: 731180645
Equivalent to 43 /8s, 148 /16s and 238 /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: 139693
Total LACNIC prefixes after maximum aggregation: 29759
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 135436
Unique aggregates announced from the LACNIC address blocks: 49028
LACNIC Region origin ASes present in the Internet Routing Table: 11248
LACNIC Prefixes per ASN: 12.04
LACNIC Region origin ASes announcing only one prefix: 2191
LACNIC Region transit ASes present in the Internet Routing Table: 2481
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: 9199
Number of LACNIC addresses announced to Internet: 171883008
Equivalent to 10 /8s, 62 /16s and 186 /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: 39691
Total AfriNIC prefixes after maximum aggregation: 6912
AfriNIC Deaggregation factor: 5.74
Prefixes being announced from the AfriNIC address blocks: 54668
Unique aggregates announced from the AfriNIC address blocks: 13887
AfriNIC Region origin ASes present in the Internet Routing Table: 1919
AfriNIC Prefixes per ASN: 28.49
AfriNIC Region origin ASes announcing only one prefix: 648
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: 1290
Number of AfriNIC addresses announced to Internet: 105441792
Equivalent to 6 /8s, 72 /16s and 234 /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 10991 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 4397 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4374 534 303 BBIL-AP BHARTI Airtel Ltd., IN
7552 3897 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 13422 40829 4984 AMAZON-02, US
174 5391 8750 911 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 3166 3852 416 GOOGLE-CLOUD-PLATFORM, US
16625 3159 1321 2270 AKAMAI-AS, US
36352 2788 228 855 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 7693 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4082 3396 140 AKAMAI-ASN1, NL
9009 3795 327 1971 M247, RO
12389 3074 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2440 363 574 TELLCOM-AS, TR
212238 2142 150 1576 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 12401 3265 682 UNINET, MX
10620 3500 480 1019 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 1603 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1196 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 1069 83 228 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 1597 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 559 661 318 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 13422 40829 4984 AMAZON-02, US
8151 12401 3265 682 UNINET, MX
9808 10991 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7693 1714 148 UNI2-AS, ES
7545 6165 842 653 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5391 8750 911 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 12401 11719 UNINET, MX
9808 10991 10893 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7693 7545 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 5391 4480 COGENT-174, US
18403 4397 4372 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 /14:1233 /15:2201 /16:14099 /17:8440 /18:14217
/19:25376 /20:46037 /21:54439 /22:115517 /23:110142 /24:638967
/25:582 /26:583 /27:1054 /28:67 /29:105 /30:19
/31:3 /32:796
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6611 7693 UNI2-AS, ES
8151 6544 12401 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 2333 13422 AMAZON-02, US
30036 2227 2567 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2378 2:1540 3:740 4:27 5:5011 6:163
7:6 8:1661 9:1 11:172 12:1370 13:417
14:2564 15:356 16:284 17:375 18:920 20:529
21:4 22:188 23:7617 24:2866 25:2 27:2814
29:19 31:3342 32:51 33:1 34:84 35:210
36:2919 37:4758 38:10450 39:911 40:169 41:4763
42:2004 43:2632 44:385 45:20172 46:5124 47:305
49:1951 50:1912 51:590 52:1588 54:315 55:1094
56:11 57:267 58:2305 59:1433 60:1167 61:3031
62:3051 63:1839 64:5535 65:2187 66:4728 67:3100
68:1151 69:4016 70:1088 71:639 72:2864 74:2821
75:1632 76:620 77:2814 78:4358 79:1780 80:2241
81:2257 82:3199 83:1470 84:1885 85:4397 86:1075
87:2432 88:3553 89:4541 90:777 91:8468 92:2713
93:2920 94:4144 95:5574 96:1477 97:326 98:982
99:686 100:72 101:1426 102:4447 103:32534 104:5053
105:2244 106:1034 107:2660 108:1239 109:4143 110:2253
111:3350 112:2096 113:1827 114:1990 115:2236 116:2102
117:2607 118:2892 119:1971 120:1954 121:1441 122:2783
123:2409 124:1689 125:2903 126:91 128:1636 129:1033
130:1319 131:2123 132:892 133:451 134:1551 135:378
136:1389 137:1183 138:3243 139:1613 140:1599 141:1507
142:1944 143:1882 144:1117 145:511 146:2191 147:2113
148:2699 149:2940 150:1222 151:1902 152:2113 153:564
154:8407 155:1985 156:3370 157:1922 158:1316 159:2456
160:3950 161:1901 162:3784 163:2167 164:1759 165:2239
166:1486 167:1937 168:4624 169:819 170:5575 171:1011
172:4497 173:3307 174:918 175:1307 176:3833 177:6166
178:3812 179:2758 180:2691 181:4244 182:3432 183:2124
184:2124 185:21868 186:5771 187:5078 188:4376 189:4685
190:9892 191:2072 192:11296 193:9560 194:7901 195:5700
196:3681 197:3937 198:6245 199:8552 200:8780 201:6626
202:10757 203:10731 204:4584 205:3654 206:4543 207:3611
208:4306 209:5296 210:4916 211:2644 212:4757 213:3880
214:1032 215:48 216:6792 217:3218 218:1402 219:557
220:2093 221:1087 222:849 223:2400
End of report
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