[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Mar 22 22:46:25 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sat 22 Mar, 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: 1032780
Prefixes after maximum aggregation (per Origin AS): 378324
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 475819
Total ASes present in the Internet Routing Table: 76861
Prefixes per ASN: 13.44
Origin-only ASes present in the Internet Routing Table: 66198
Origin ASes announcing only one prefix: 26269
Transit ASes present in the Internet Routing Table: 10663
Transit-only ASes present in the Internet Routing Table: 538
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.2
Max AS path length visible: 71
Max AS path prepend of ASN ( 37447) 69
Prefixes from unregistered ASNs in the Routing Table: 1087
Number of instances of unregistered ASNs: 1093
Number of 32-bit ASNs allocated by the RIRs: 46119
Number of 32-bit ASNs visible in the Routing Table: 38071
Prefixes from 32-bit ASNs in the Routing Table: 211366
Number of bogon 32-bit ASNs visible in the Routing Table: 83
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 542
Number of addresses announced to Internet: 3114966373
Equivalent to 185 /8s, 170 /16s and 157 /24s
Percentage of available address space announced: 84.1
Percentage of allocated address space announced: 84.1
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: 348792
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266926
Total APNIC prefixes after maximum aggregation: 76885
APNIC Deaggregation factor: 3.47
Prefixes being announced from the APNIC address blocks: 258533
Unique aggregates announced from the APNIC address blocks: 102565
APNIC Region origin ASes present in the Internet Routing Table: 14618
APNIC Prefixes per ASN: 17.69
APNIC Region origin ASes announcing only one prefix: 4437
APNIC Region transit ASes present in the Internet Routing Table: 1945
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 48
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10082
Number of APNIC addresses announced to Internet: 754477632
Equivalent to 44 /8s, 248 /16s and 106 /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: 296485
Total ARIN prefixes after maximum aggregation: 130139
ARIN Deaggregation factor: 2.28
Prefixes being announced from the ARIN address blocks: 296867
Unique aggregates announced from the ARIN address blocks: 136665
ARIN Region origin ASes present in the Internet Routing Table: 19249
ARIN Prefixes per ASN: 15.42
ARIN Region origin ASes announcing only one prefix: 7017
ARIN Region transit ASes present in the Internet Routing Table: 1887
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5178
Number of ARIN addresses announced to Internet: 1350557184
Equivalent to 80 /8s, 127 /16s and 222 /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: 290872
Total RIPE prefixes after maximum aggregation: 134191
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 288841
Unique aggregates announced from the RIPE address blocks: 173601
RIPE Region origin ASes present in the Internet Routing Table: 28918
RIPE Prefixes per ASN: 9.99
RIPE Region origin ASes announcing only one prefix: 11991
RIPE Region transit ASes present in the Internet Routing Table: 3839
Average RIPE Region AS path length visible: 3.2
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12347
Number of RIPE addresses announced to Internet: 732575909
Equivalent to 43 /8s, 170 /16s and 56 /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: 138515
Total LACNIC prefixes after maximum aggregation: 29574
LACNIC Deaggregation factor: 4.68
Prefixes being announced from the LACNIC address blocks: 135194
Unique aggregates announced from the LACNIC address blocks: 49020
LACNIC Region origin ASes present in the Internet Routing Table: 11227
LACNIC Prefixes per ASN: 12.04
LACNIC Region origin ASes announcing only one prefix: 2173
LACNIC Region transit ASes present in the Internet Routing Table: 2464
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: 9174
Number of LACNIC addresses announced to Internet: 171718272
Equivalent to 10 /8s, 60 /16s and 54 /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: 38895
Total AfriNIC prefixes after maximum aggregation: 6864
AfriNIC Deaggregation factor: 5.67
Prefixes being announced from the AfriNIC address blocks: 52801
Unique aggregates announced from the AfriNIC address blocks: 13504
AfriNIC Region origin ASes present in the Internet Routing Table: 1924
AfriNIC Prefixes per ASN: 27.44
AfriNIC Region origin ASes announcing only one prefix: 651
AfriNIC Region transit ASes present in the Internet Routing Table: 361
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 71
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1290
Number of AfriNIC addresses announced to Internet: 105379328
Equivalent to 6 /8s, 71 /16s and 246 /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 10391 8921 125 CHINAMOBILE-CN China Mobile Communication
7545 6213 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4982 4193 77 ERX-CERNET-BKB China Education and Resear
18403 4270 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4268 530 278 BBIL-AP BHARTI Airtel Ltd., IN
7552 3913 1332 26 VIETEL-AS-AP Viettel Group, VN
45899 3913 1890 52 VNPT-AS-VN VNPT Corp, VN
7713 3676 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
24560 2840 847 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2233 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 12935 39640 3983 AMAZON-02, US
174 5513 8766 961 COGENT-174, US
11492 4675 310 585 CABLEONE, US
7155 4174 286 83 VIASAT-SP-BACKBONE, US
6327 3623 1320 81 SHAW, CA
22773 3389 3050 183 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
16625 3103 1309 2240 AKAMAI-AS, US
396982 2942 3660 455 GOOGLE-CLOUD-PLATFORM, US
36352 2568 213 807 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 9734 1293 1153 TTNET, TR
12479 7755 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4034 3396 142 AKAMAI-ASN1, NL
9009 3782 326 1957 M247, RO
12389 3010 2303 891 ROSTELECOM-AS, RU
34984 2415 363 577 TELLCOM-AS, TR
212238 2035 145 1495 CDNEXT, GB
8452 1953 1852 14 TE-AS TE-AS, EG
5384 1796 585 29 EMIRATES-INTERNET Emirates Internet, AE
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 12146 3259 685 UNINET, MX
10620 3506 485 1000 Telmex Colombia S.A., CO
13999 2514 539 368 Mega Cable, S.A. de C.V., MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
28573 1595 2438 259 Claro NXT Telecomunicacoes Ltda, BR
3816 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1194 371 22 Telefonica del Peru S.A.A., PE
28202 1132 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1074 278 33 Techtel LMDS Comunicaciones Interactivas
6503 1070 359 174 Axtel, S.A.B. de C.V., MX
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 1703 599 30 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1623 389 16 LINKdotNET-AS, EG
29571 1564 102 23 ORANGE-COTE-IVOIRE, CI
36992 1426 1518 286 ETISALAT-MISR, EG
20011 1276 198 333 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36935 1006 521 42 Vodafone-, EG
37069 863 1083 15 MOBINIL, EG
3741 562 661 321 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 12935 39640 3983 AMAZON-02, US
8151 12146 3259 685 UNINET, MX
9808 10391 8921 125 CHINAMOBILE-CN China Mobile Communication
47331 9734 1293 1153 TTNET, TR
12479 7755 1714 145 UNI2-AS, ES
7545 6213 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5513 8766 961 COGENT-174, US
4538 4982 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4675 310 585 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 12146 11461 UNINET, MX
9808 10391 10266 CHINAMOBILE-CN China Mobile Communications Grou
47331 9734 8581 TTNET, TR
12479 7755 7610 UNI2-AS, ES
7545 6213 5557 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4982 4905 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5513 4552 COGENT-174, US
18403 4270 4245 FPT-AS-AP FPT Telecom Company, VN
7155 4174 4091 VIASAT-SP-BACKBONE, 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
46559 UNALLOCATED 8.3.52.0/23 3257 GTT-BACKBONE GTT, US
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
10.116.75.0/24 22884 TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
172.22.139.0/24 8151 UNINET, MX
172.22.243.0/24 8151 UNINET, MX
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 /12:304
/13:587 /14:1237 /15:2210 /16:14155 /17:8612 /18:14744
/19:25641 /20:46260 /21:54939 /22:116434 /23:110935 /24:633342
/25:584 /26:587 /27:1060 /28:71 /29:106 /30:20
/31:2 /32:783
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8816 9734 TTNET, TR
12479 6688 7755 UNI2-AS, ES
8151 6292 12146 UNINET, MX
11492 3528 4675 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3418 3623 SHAW, CA
7155 3121 4174 VIASAT-SP-BACKBONE, US
22773 2524 3389 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2331 12935 AMAZON-02, US
30036 2217 2557 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2374 2:1536 3:598 4:25 5:4880 6:163
7:6 8:1647 9:1 10:1 11:172 12:1377
13:343 14:2552 15:353 16:279 17:364 18:916
20:473 21:4 22:188 23:7397 24:3070 25:2
27:2806 29:19 31:3292 32:55 34:83 35:209
36:2426 37:4837 38:10255 39:899 40:154 41:4717
42:1957 43:2606 44:357 45:20075 46:5057 47:291
49:2004 50:1901 51:590 52:1588 54:301 55:1074
56:9 57:262 58:2288 59:1384 60:1169 61:3092
62:3028 63:1856 64:5547 65:2206 66:4708 67:3075
68:1137 69:4006 70:1129 71:627 72:2935 74:2844
75:1662 76:616 77:2813 78:4248 79:1763 80:2232
81:2210 82:2912 83:1441 84:1837 85:4304 86:1046
87:2430 88:3431 89:4498 90:784 91:8449 92:2808
93:2912 94:4095 95:5467 96:1426 97:323 98:997
99:738 100:71 101:1326 102:4172 103:32557 104:4843
105:2229 106:999 107:2611 108:1217 109:4173 110:2272
111:3352 112:2064 113:1821 114:1963 115:2207 116:2097
117:2747 118:2878 119:2009 120:1908 121:1435 122:2886
123:2372 124:1686 125:2896 126:88 128:1606 129:1015
130:1318 131:2037 132:898 133:451 134:1529 135:375
136:1285 137:1174 138:3258 139:1628 140:1570 141:1483
142:1871 143:1749 144:1058 145:487 146:2185 147:2103
148:2622 149:2977 150:1255 151:2040 152:2128 153:574
154:8190 155:1639 156:3347 157:1933 158:1268 159:2433
160:3657 161:1997 162:3737 163:1968 164:1750 165:2241
166:1418 167:1917 168:4374 169:820 170:5553 171:1006
172:4485 173:3258 174:913 175:1281 176:3815 177:6156
178:3997 179:2810 180:2658 181:4199 182:3379 183:2059
184:2307 185:21793 186:5655 187:5010 188:4352 189:4606
190:9939 191:2074 192:11223 193:9485 194:7888 195:5685
196:3634 197:3955 198:6222 199:8440 200:8731 201:6557
202:10903 203:10764 204:4573 205:3704 206:4698 207:3585
208:4226 209:5263 210:4885 211:2628 212:4612 213:3877
214:1047 215:48 216:6686 217:3176 218:1386 219:553
220:2084 221:1068 222:851 223:2338
End of report
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