[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Mar 24 22:46:15 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Mon 24 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: 1033413
Prefixes after maximum aggregation (per Origin AS): 378463
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 475994
Total ASes present in the Internet Routing Table: 76885
Prefixes per ASN: 13.44
Origin-only ASes present in the Internet Routing Table: 66194
Origin ASes announcing only one prefix: 26261
Transit ASes present in the Internet Routing Table: 10691
Transit-only ASes present in the Internet Routing Table: 550
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: 52
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1073
Number of instances of unregistered ASNs: 1079
Number of 32-bit ASNs allocated by the RIRs: 46129
Number of 32-bit ASNs visible in the Routing Table: 38091
Prefixes from 32-bit ASNs in the Routing Table: 211593
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: 525
Number of addresses announced to Internet: 3114792805
Equivalent to 185 /8s, 167 /16s and 247 /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: 348999
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 267006
Total APNIC prefixes after maximum aggregation: 76968
APNIC Deaggregation factor: 3.47
Prefixes being announced from the APNIC address blocks: 258607
Unique aggregates announced from the APNIC address blocks: 102600
APNIC Region origin ASes present in the Internet Routing Table: 14634
APNIC Prefixes per ASN: 17.67
APNIC Region origin ASes announcing only one prefix: 4444
APNIC Region transit ASes present in the Internet Routing Table: 1951
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: 10097
Number of APNIC addresses announced to Internet: 754458176
Equivalent to 44 /8s, 248 /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: 296715
Total ARIN prefixes after maximum aggregation: 130200
ARIN Deaggregation factor: 2.28
Prefixes being announced from the ARIN address blocks: 297070
Unique aggregates announced from the ARIN address blocks: 136704
ARIN Region origin ASes present in the Internet Routing Table: 19242
ARIN Prefixes per ASN: 15.44
ARIN Region origin ASes announcing only one prefix: 7012
ARIN Region transit ASes present in the Internet Routing Table: 1886
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: 5168
Number of ARIN addresses announced to Internet: 1350590208
Equivalent to 80 /8s, 128 /16s and 95 /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: 290674
Total RIPE prefixes after maximum aggregation: 134248
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 288685
Unique aggregates announced from the RIPE address blocks: 173666
RIPE Region origin ASes present in the Internet Routing Table: 28923
RIPE Prefixes per ASN: 9.98
RIPE Region origin ASes announcing only one prefix: 11992
RIPE Region transit ASes present in the Internet Routing Table: 3851
Average RIPE Region AS path length visible: 3.2
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12361
Number of RIPE addresses announced to Internet: 732601253
Equivalent to 43 /8s, 170 /16s and 155 /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: 138999
Total LACNIC prefixes after maximum aggregation: 29511
LACNIC Deaggregation factor: 4.71
Prefixes being announced from the LACNIC address blocks: 135688
Unique aggregates announced from the LACNIC address blocks: 49022
LACNIC Region origin ASes present in the Internet Routing Table: 11230
LACNIC Prefixes per ASN: 12.08
LACNIC Region origin ASes announcing only one prefix: 2167
LACNIC Region transit ASes present in the Internet Routing Table: 2466
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: 9179
Number of LACNIC addresses announced to Internet: 171709568
Equivalent to 10 /8s, 60 /16s and 20 /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: 38946
Total AfriNIC prefixes after maximum aggregation: 6868
AfriNIC Deaggregation factor: 5.67
Prefixes being announced from the AfriNIC address blocks: 52836
Unique aggregates announced from the AfriNIC address blocks: 13551
AfriNIC Region origin ASes present in the Internet Routing Table: 1920
AfriNIC Prefixes per ASN: 27.52
AfriNIC Region origin ASes announcing only one prefix: 646
AfriNIC Region transit ASes present in the Internet Routing Table: 363
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1286
Number of AfriNIC addresses announced to Internet: 105181440
Equivalent to 6 /8s, 68 /16s and 241 /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 10393 8921 125 CHINAMOBILE-CN China Mobile Communication
7545 6213 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4981 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4272 530 278 BBIL-AP BHARTI Airtel Ltd., IN
18403 4240 347 25 FPT-AS-AP FPT Telecom Company, VN
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 2843 847 540 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 12941 39640 3980 AMAZON-02, US
174 5552 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 3390 3050 183 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
16625 3105 1309 2239 AKAMAI-AS, US
396982 2944 3660 457 GOOGLE-CLOUD-PLATFORM, US
36352 2569 213 804 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 7754 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4031 3396 142 AKAMAI-ASN1, NL
9009 3776 326 1954 M247, RO
12389 3010 2303 891 ROSTELECOM-AS, RU
34984 2413 363 576 TELLCOM-AS, TR
212238 2054 147 1514 CDNEXT, GB
8452 1954 1852 14 TE-AS TE-AS, EG
5384 1789 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 12166 3261 682 UNINET, MX
10620 3523 486 970 Telmex Colombia S.A., CO
13999 2515 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 1195 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 1629 389 16 LINKdotNET-AS, EG
29571 1566 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 910 1084 18 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 12941 39640 3980 AMAZON-02, US
8151 12166 3261 682 UNINET, MX
9808 10393 8921 125 CHINAMOBILE-CN China Mobile Communication
47331 9734 1293 1153 TTNET, TR
12479 7754 1714 145 UNI2-AS, ES
7545 6213 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5552 8766 961 COGENT-174, US
4538 4981 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 12166 11484 UNINET, MX
9808 10393 10268 CHINAMOBILE-CN China Mobile Communications Grou
47331 9734 8581 TTNET, TR
12479 7754 7609 UNI2-AS, ES
7545 6213 5557 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4981 4904 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5552 4591 COGENT-174, US
18403 4240 4215 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
/13:586 /14:1236 /15:2208 /16:14154 /17:8616 /18:14761
/19:25659 /20:46326 /21:54971 /22:116479 /23:111104 /24:633621
/25:583 /26:587 /27:1060 /28:71 /29:106 /30:20
/31:2 /32:792
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8816 9734 TTNET, TR
12479 6687 7754 UNI2-AS, ES
8151 6312 12166 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 2525 3390 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2326 12941 AMAZON-02, US
30036 2216 2556 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2373 2:1540 3:600 4:25 5:4883 6:163
7:6 8:1642 9:1 10:1 11:172 12:1376
13:348 14:2550 15:353 16:279 17:360 18:915
20:474 21:4 22:188 23:7393 24:3070 25:2
27:2805 29:19 31:3293 32:55 34:83 35:210
36:2426 37:4847 38:10289 39:900 40:154 41:4694
42:1938 43:2603 44:359 45:20093 46:5022 47:291
49:2004 50:1904 51:588 52:1587 54:300 55:1077
56:11 57:260 58:2290 59:1403 60:1169 61:3095
62:3034 63:1855 64:5549 65:2208 66:4709 67:3077
68:1137 69:4008 70:1130 71:628 72:2937 74:2846
75:1665 76:616 77:2816 78:4249 79:1763 80:2235
81:2186 82:2932 83:1459 84:1835 85:4311 86:1053
87:2432 88:3430 89:4499 90:784 91:8455 92:2808
93:2911 94:4116 95:5465 96:1426 97:324 98:997
99:738 100:71 101:1326 102:4167 103:32577 104:4843
105:2229 106:999 107:2610 108:1216 109:3947 110:2272
111:3350 112:2064 113:1822 114:1964 115:2207 116:2096
117:2749 118:2876 119:2004 120:1908 121:1432 122:2888
123:2370 124:1686 125:2895 126:86 128:1606 129:1015
130:1317 131:2056 132:899 133:451 134:1534 135:375
136:1288 137:1175 138:3248 139:1636 140:1573 141:1484
142:1871 143:1760 144:1060 145:487 146:2185 147:2105
148:2633 149:2981 150:1261 151:2040 152:2128 153:574
154:8201 155:1638 156:3345 157:1938 158:1279 159:2437
160:3636 161:1996 162:3742 163:1975 164:1752 165:2242
166:1422 167:1918 168:4387 169:823 170:5564 171:1006
172:4475 173:3260 174:913 175:1285 176:3815 177:6225
178:4000 179:2806 180:2659 181:4199 182:3379 183:2054
184:2305 185:21793 186:5754 187:5011 188:4356 189:4599
190:9934 191:2118 192:11221 193:9491 194:7892 195:5684
196:3634 197:3949 198:6235 199:8447 200:8749 201:6567
202:10899 203:10769 204:4575 205:3721 206:4698 207:3590
208:4223 209:5267 210:4886 211:2633 212:4612 213:3883
214:1055 215:48 216:6689 217:3174 218:1386 219:552
220:2088 221:1070 222:851 223:2336
End of report
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