[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat May 17 22:47:01 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sat 17 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: 1035297
Prefixes after maximum aggregation (per Origin AS): 382648
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 479987
Total ASes present in the Internet Routing Table: 76977
Prefixes per ASN: 13.45
Origin-only ASes present in the Internet Routing Table: 66250
Origin ASes announcing only one prefix: 26341
Transit ASes present in the Internet Routing Table: 10727
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: 1082
Number of instances of unregistered ASNs: 1092
Number of 32-bit ASNs allocated by the RIRs: 46439
Number of 32-bit ASNs visible in the Routing Table: 38292
Prefixes from 32-bit ASNs in the Routing Table: 214205
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: 453
Number of addresses announced to Internet: 3111098405
Equivalent to 185 /8s, 111 /16s and 152 /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: 349933
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265976
Total APNIC prefixes after maximum aggregation: 77580
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 257219
Unique aggregates announced from the APNIC address blocks: 103293
APNIC Region origin ASes present in the Internet Routing Table: 14646
APNIC Prefixes per ASN: 17.56
APNIC Region origin ASes announcing only one prefix: 4444
APNIC Region transit ASes present in the Internet Routing Table: 1931
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: 10138
Number of APNIC addresses announced to Internet: 749411904
Equivalent to 44 /8s, 171 /16s and 30 /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: 297774
Total ARIN prefixes after maximum aggregation: 132350
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 298589
Unique aggregates announced from the ARIN address blocks: 138721
ARIN Region origin ASes present in the Internet Routing Table: 19257
ARIN Prefixes per ASN: 15.51
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: 5213
Number of ARIN addresses announced to Internet: 1352920576
Equivalent to 80 /8s, 163 /16s and 238 /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: 291047
Total RIPE prefixes after maximum aggregation: 135417
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288888
Unique aggregates announced from the RIPE address blocks: 174712
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: 12038
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: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12456
Number of RIPE addresses announced to Internet: 731200869
Equivalent to 43 /8s, 149 /16s and 61 /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: 139726
Total LACNIC prefixes after maximum aggregation: 29728
LACNIC Deaggregation factor: 4.70
Prefixes being announced from the LACNIC address blocks: 135505
Unique aggregates announced from the LACNIC address blocks: 48977
LACNIC Region origin ASes present in the Internet Routing Table: 11248
LACNIC Prefixes per ASN: 12.05
LACNIC Region origin ASes announcing only one prefix: 2192
LACNIC Region transit ASes present in the Internet Routing Table: 2478
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: 9196
Number of LACNIC addresses announced to Internet: 171894656
Equivalent to 10 /8s, 62 /16s and 231 /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: 39692
Total AfriNIC prefixes after maximum aggregation: 6919
AfriNIC Deaggregation factor: 5.74
Prefixes being announced from the AfriNIC address blocks: 54642
Unique aggregates announced from the AfriNIC address blocks: 13886
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: 647
AfriNIC Region transit ASes present in the Internet Routing Table: 365
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: 105450752
Equivalent to 6 /8s, 73 /16s and 13 /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 4477 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 13454 40827 5038 AMAZON-02, US
174 5399 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 3156 1320 2270 AKAMAI-AS, US
36352 2807 229 872 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 3784 326 1966 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 1919 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 12418 3267 683 UNINET, MX
10620 3499 480 1018 Telmex Colombia S.A., CO
13999 2518 540 364 Mega Cable, S.A. de C.V., MX
11830 1994 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 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 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 559 661 319 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 13454 40827 5038 AMAZON-02, US
8151 12418 3267 683 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 6165 842 653 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5399 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 12418 11735 UNINET, MX
9808 10992 10894 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7698 7550 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 5399 4515 COGENT-174, US
18403 4477 4452 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
/13:583 /14:1232 /15:2200 /16:14093 /17:8449 /18:14214
/19:25383 /20:46042 /21:54472 /22:115584 /23:110357 /24:638959
/25:585 /26:586 /27:1054 /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 6558 12418 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 2332 13454 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 2:1536 3:767 4:27 5:5010 6:162
7:6 8:1662 9:1 11:172 12:1369 13:421
14:2563 15:355 16:282 17:375 18:915 20:530
21:4 22:188 23:7615 24:2903 25:2 27:2819
29:19 31:3327 32:51 33:1 34:84 35:210
36:2918 37:4747 38:10441 39:914 40:169 41:4759
42:2024 43:2624 44:382 45:20155 46:5125 47:305
49:1952 50:1909 51:590 52:1590 54:314 55:1093
56:11 57:267 58:2307 59:1433 60:1167 61:3033
62:3056 63:1836 64:5534 65:2203 66:4766 67:3129
68:1152 69:4011 70:1087 71:639 72:2931 74:2822
75:1632 76:620 77:2819 78:4356 79:1780 80:2243
81:2257 82:3199 83:1473 84:1885 85:4398 86:1076
87:2432 88:3552 89:4550 90:778 91:8469 92:2712
93:2923 94:4140 95:5576 96:1475 97:325 98:983
99:686 100:72 101:1424 102:4451 103:32543 104:5051
105:2244 106:1034 107:2663 108:1238 109:4139 110:2252
111:3351 112:2095 113:1836 114:1989 115:2235 116:2102
117:2561 118:2904 119:1973 120:1955 121:1441 122:2787
123:2412 124:1688 125:2905 126:91 128:1638 129:1033
130:1339 131:2125 132:889 133:451 134:1550 135:378
136:1354 137:1183 138:3243 139:1613 140:1600 141:1503
142:1944 143:1867 144:1118 145:512 146:2183 147:2113
148:2711 149:2940 150:1224 151:1911 152:2114 153:564
154:8399 155:1989 156:3351 157:1927 158:1323 159:2456
160:3929 161:1901 162:3776 163:2176 164:1759 165:2239
166:1484 167:1938 168:4610 169:824 170:5386 171:1011
172:4485 173:3315 174:919 175:1306 176:3836 177:6151
178:3816 179:2756 180:2690 181:4242 182:3440 183:2128
184:2123 185:21855 186:5766 187:5082 188:4378 189:4689
190:9886 191:2076 192:11305 193:9559 194:7897 195:5707
196:3678 197:3939 198:6243 199:8533 200:8786 201:6632
202:10766 203:10739 204:4584 205:3675 206:4555 207:3609
208:4304 209:5303 210:4915 211:2644 212:4753 213:3881
214:1027 215:48 216:6812 217:3213 218:1402 219:557
220:2096 221:1086 222:849 223:2400
End of report
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