[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 2 22:47:09 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Fri 02 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: 1032489
Prefixes after maximum aggregation (per Origin AS): 380978
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 479342
Total ASes present in the Internet Routing Table: 76952
Prefixes per ASN: 13.42
Origin-only ASes present in the Internet Routing Table: 66216
Origin ASes announcing only one prefix: 26375
Transit ASes present in the Internet Routing Table: 10736
Transit-only ASes present in the Internet Routing Table: 542
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: 1092
Number of instances of unregistered ASNs: 1095
Number of 32-bit ASNs allocated by the RIRs: 46309
Number of 32-bit ASNs visible in the Routing Table: 38245
Prefixes from 32-bit ASNs in the Routing Table: 212720
Number of bogon 32-bit ASNs visible in the Routing Table: 71
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 474
Number of addresses announced to Internet: 3107078949
Equivalent to 185 /8s, 50 /16s and 67 /24s
Percentage of available address space announced: 83.9
Percentage of allocated address space announced: 83.9
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: 349536
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265379
Total APNIC prefixes after maximum aggregation: 77464
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 256388
Unique aggregates announced from the APNIC address blocks: 103378
APNIC Region origin ASes present in the Internet Routing Table: 14647
APNIC Prefixes per ASN: 17.50
APNIC Region origin ASes announcing only one prefix: 4453
APNIC Region transit ASes present in the Internet Routing Table: 1942
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: 10134
Number of APNIC addresses announced to Internet: 749348672
Equivalent to 44 /8s, 170 /16s and 39 /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: 297054
Total ARIN prefixes after maximum aggregation: 131241
ARIN Deaggregation factor: 2.26
Prefixes being announced from the ARIN address blocks: 297889
Unique aggregates announced from the ARIN address blocks: 138380
ARIN Region origin ASes present in the Internet Routing Table: 19259
ARIN Prefixes per ASN: 15.47
ARIN Region origin ASes announcing only one prefix: 7022
ARIN Region transit ASes present in the Internet Routing Table: 1917
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: 5205
Number of ARIN addresses announced to Internet: 1348717312
Equivalent to 80 /8s, 99 /16s and 203 /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: 290837
Total RIPE prefixes after maximum aggregation: 135121
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288418
Unique aggregates announced from the RIPE address blocks: 174324
RIPE Region origin ASes present in the Internet Routing Table: 28973
RIPE Prefixes per ASN: 9.95
RIPE Region origin ASes announcing only one prefix: 12019
RIPE Region transit ASes present in the Internet Routing Table: 3882
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 23
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12436
Number of RIPE addresses announced to Internet: 731605349
Equivalent to 43 /8s, 155 /16s and 105 /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: 138654
Total LACNIC prefixes after maximum aggregation: 29626
LACNIC Deaggregation factor: 4.68
Prefixes being announced from the LACNIC address blocks: 135317
Unique aggregates announced from the LACNIC address blocks: 48931
LACNIC Region origin ASes present in the Internet Routing Table: 11239
LACNIC Prefixes per ASN: 12.04
LACNIC Region origin ASes announcing only one prefix: 2233
LACNIC Region transit ASes present in the Internet Routing Table: 2463
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: 9185
Number of LACNIC addresses announced to Internet: 171854464
Equivalent to 10 /8s, 62 /16s and 74 /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: 39473
Total AfriNIC prefixes after maximum aggregation: 6887
AfriNIC Deaggregation factor: 5.73
Prefixes being announced from the AfriNIC address blocks: 54002
Unique aggregates announced from the AfriNIC address blocks: 13938
AfriNIC Region origin ASes present in the Internet Routing Table: 1918
AfriNIC Prefixes per ASN: 28.16
AfriNIC Region origin ASes announcing only one prefix: 648
AfriNIC Region transit ASes present in the Internet Routing Table: 362
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: 1285
Number of AfriNIC addresses announced to Internet: 105328640
Equivalent to 6 /8s, 71 /16s and 48 /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 10456 8754 95 CHINAMOBILE-CN China Mobile Communication
7545 6216 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4856 4193 77 ERX-CERNET-BKB China Education and Resear
18403 4335 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4333 531 281 BBIL-AP BHARTI Airtel Ltd., IN
7552 3920 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3678 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3283 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2863 851 537 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 13254 39694 4329 AMAZON-02, US
174 5569 8755 921 COGENT-174, US
11492 4711 312 591 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3381 3034 178 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54863 2505 DNIC-AS-00749, US
16625 3123 1316 2260 AKAMAI-AS, US
396982 2955 3657 469 GOOGLE-CLOUD-PLATFORM, US
36352 2772 227 850 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 9753 1296 1077 TTNET, TR
12479 7723 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4079 3396 140 AKAMAI-ASN1, NL
9009 3809 329 1985 M247, RO
12389 3076 2303 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2411 363 577 TELLCOM-AS, TR
212238 2113 150 1556 CDNEXT, GB
8452 1943 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 12328 3261 686 UNINET, MX
10620 3521 485 995 Telmex Colombia S.A., CO
13999 2513 540 362 Mega Cable, S.A. de C.V., MX
11830 1996 369 64 Instituto Costarricense de Electricidad y
28573 1602 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1332 784 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1191 371 22 Telefonica del Peru S.A.A., PE
28202 1129 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1101 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1059 70 378 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 1648 389 16 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1594 102 22 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 1020 521 42 Vodafone-, EG
37069 932 1099 15 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 13254 39694 4329 AMAZON-02, US
8151 12328 3261 686 UNINET, MX
9808 10456 8754 95 CHINAMOBILE-CN China Mobile Communication
47331 9753 1296 1077 TTNET, TR
12479 7723 1714 148 UNI2-AS, ES
7545 6216 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5569 8755 921 COGENT-174, US
4538 4856 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4711 312 591 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 12328 11642 UNINET, MX
9808 10456 10361 CHINAMOBILE-CN China Mobile Communications Grou
47331 9753 8676 TTNET, TR
12479 7723 7575 UNI2-AS, ES
7545 6216 5560 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4856 4779 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5569 4648 COGENT-174, US
18403 4335 4310 FPT-AS-AP FPT Telecom Company, VN
11492 4711 4120 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
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US
23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US
23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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
/13:583 /14:1232 /15:2198 /16:14040 /17:8454 /18:14242
/19:25346 /20:45785 /21:54477 /22:115592 /23:109862 /24:636953
/25:583 /26:590 /27:1058 /28:67 /29:105 /30:20
/31:2 /32:833
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8832 9753 TTNET, TR
12479 6645 7723 UNI2-AS, ES
8151 6477 12328 UNINET, MX
11492 3531 4711 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2523 3381 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2344 13254 AMAZON-02, US
30036 2230 2570 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2380 2:1533 3:654 4:25 5:5000 6:162
7:6 8:1654 9:1 11:172 12:1365 13:368
14:2560 15:354 16:282 17:369 18:916 20:526
21:4 22:188 23:7569 24:2905 25:2 27:2810
29:19 31:3318 32:51 33:1 34:84 35:209
36:2514 37:4806 38:10378 39:908 40:167 41:4734
42:1979 43:2616 44:379 45:20111 46:5113 47:298
49:1950 50:1906 51:590 52:1586 54:302 55:1087
56:11 57:266 58:2288 59:1431 60:1169 61:3026
62:3051 63:1844 64:5528 65:2197 66:4741 67:3125
68:1164 69:4007 70:1111 71:632 72:2950 74:2816
75:1627 76:618 77:2838 78:4357 79:1787 80:2241
81:2235 82:3259 83:1481 84:1872 85:4397 86:1056
87:2427 88:3547 89:4507 90:786 91:8466 92:2742
93:2922 94:4158 95:5612 96:1474 97:322 98:997
99:669 100:72 101:1422 102:4417 103:32520 104:4843
105:2230 106:1045 107:2636 108:1220 109:4137 110:2245
111:3366 112:2073 113:1829 114:1985 115:2262 116:2100
117:2742 118:2908 119:1972 120:1921 121:1440 122:2779
123:2412 124:1690 125:2886 126:91 128:1616 129:1033
130:1332 131:2097 132:894 133:451 134:1551 135:377
136:1306 137:1177 138:3238 139:1632 140:1591 141:1497
142:1953 143:1797 144:1099 145:509 146:2185 147:2103
148:2693 149:2959 150:1264 151:1823 152:2127 153:564
154:8666 155:1681 156:3516 157:1915 158:1301 159:2447
160:3694 161:1928 162:3770 163:2135 164:1759 165:2240
166:1467 167:1917 168:4364 169:814 170:5545 171:1012
172:4437 173:3283 174:910 175:1307 176:3806 177:6133
178:3872 179:2740 180:2678 181:4234 182:3393 183:2064
184:2151 185:21844 186:5776 187:5101 188:4340 189:4651
190:9859 191:2075 192:11278 193:9529 194:7895 195:5693
196:3683 197:3970 198:6254 199:8526 200:8745 201:6601
202:10865 203:10745 204:4572 205:3665 206:4670 207:3585
208:4286 209:5296 210:4899 211:2638 212:4714 213:3834
214:1029 215:48 216:6795 217:3221 218:1390 219:551
220:2094 221:1058 222:855 223:2368
End of report
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