[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Mar 23 22:46:17 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sun 23 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: 1033112
Prefixes after maximum aggregation (per Origin AS): 378355
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 475867
Total ASes present in the Internet Routing Table: 76863
Prefixes per ASN: 13.44
Origin-only ASes present in the Internet Routing Table: 66186
Origin ASes announcing only one prefix: 26271
Transit ASes present in the Internet Routing Table: 10677
Transit-only ASes present in the Internet Routing Table: 540
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: 46127
Number of 32-bit ASNs visible in the Routing Table: 38065
Prefixes from 32-bit ASNs in the Routing Table: 211322
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: 529
Number of addresses announced to Internet: 3115039845
Equivalent to 185 /8s, 171 /16s and 188 /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: 349003
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266933
Total APNIC prefixes after maximum aggregation: 76913
APNIC Deaggregation factor: 3.47
Prefixes being announced from the APNIC address blocks: 258533
Unique aggregates announced from the APNIC address blocks: 102581
APNIC Region origin ASes present in the Internet Routing Table: 14619
APNIC Prefixes per ASN: 17.68
APNIC Region origin ASes announcing only one prefix: 4438
APNIC Region transit ASes present in the Internet Routing Table: 1948
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: 10083
Number of APNIC addresses announced to Internet: 754480960
Equivalent to 44 /8s, 248 /16s and 119 /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: 296537
Total ARIN prefixes after maximum aggregation: 130165
ARIN Deaggregation factor: 2.28
Prefixes being announced from the ARIN address blocks: 296941
Unique aggregates announced from the ARIN address blocks: 136680
ARIN Region origin ASes present in the Internet Routing Table: 19252
ARIN Prefixes per ASN: 15.42
ARIN Region origin ASes announcing only one prefix: 7020
ARIN Region transit ASes present in the Internet Routing Table: 1890
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: 5176
Number of ARIN addresses announced to Internet: 1350572032
Equivalent to 80 /8s, 128 /16s and 24 /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: 290884
Total RIPE prefixes after maximum aggregation: 134216
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 288839
Unique aggregates announced from the RIPE address blocks: 173622
RIPE Region origin ASes present in the Internet Routing Table: 28917
RIPE Prefixes per ASN: 9.99
RIPE Region origin ASes announcing only one prefix: 11984
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: 732631973
Equivalent to 43 /8s, 171 /16s and 19 /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: 138753
Total LACNIC prefixes after maximum aggregation: 29525
LACNIC Deaggregation factor: 4.70
Prefixes being announced from the LACNIC address blocks: 135436
Unique aggregates announced from the LACNIC address blocks: 49020
LACNIC Region origin ASes present in the Internet Routing Table: 11228
LACNIC Prefixes per ASN: 12.06
LACNIC Region origin ASes announcing only one prefix: 2175
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: 9173
Number of LACNIC addresses announced to Internet: 171749248
Equivalent to 10 /8s, 60 /16s and 175 /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: 38932
Total AfriNIC prefixes after maximum aggregation: 6869
AfriNIC Deaggregation factor: 5.67
Prefixes being announced from the AfriNIC address blocks: 52832
Unique aggregates announced from the AfriNIC address blocks: 13509
AfriNIC Region origin ASes present in the Internet Routing Table: 1922
AfriNIC Prefixes per ASN: 27.49
AfriNIC Region origin ASes announcing only one prefix: 654
AfriNIC Region transit ASes present in the Internet Routing Table: 365
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1286
Number of AfriNIC addresses announced to Internet: 105352448
Equivalent to 6 /8s, 71 /16s and 141 /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 6216 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4982 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4268 530 278 BBIL-AP BHARTI Airtel Ltd., IN
18403 4245 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 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 12969 39643 4002 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 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 7756 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4034 3396 142 AKAMAI-ASN1, NL
9009 3781 326 1956 M247, RO
12389 3010 2303 891 ROSTELECOM-AS, RU
34984 2415 363 577 TELLCOM-AS, TR
212238 2035 145 1495 CDNEXT, GB
8452 1954 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 12147 3259 685 UNINET, MX
10620 3523 486 970 Telmex Colombia S.A., CO
13999 2512 539 376 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 1624 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 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 12969 39643 4002 AMAZON-02, US
8151 12147 3259 685 UNINET, MX
9808 10391 8921 125 CHINAMOBILE-CN China Mobile Communication
47331 9734 1293 1153 TTNET, TR
12479 7756 1714 145 UNI2-AS, ES
7545 6216 843 659 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 12147 11462 UNINET, MX
9808 10391 10266 CHINAMOBILE-CN China Mobile Communications Grou
47331 9734 8581 TTNET, TR
12479 7756 7611 UNI2-AS, ES
7545 6216 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 4245 4220 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 /16:14156 /17:8613 /18:14750
/19:25652 /20:46315 /21:54945 /22:116465 /23:110998 /24:633500
/25:584 /26:588 /27:1060 /28:71 /29:106 /30:20
/31:2 /32:782
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8816 9734 TTNET, TR
12479 6689 7756 UNI2-AS, ES
8151 6293 12147 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 2338 12969 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)
----------------------------------------------
1:2370 2:1536 3:599 4:25 5:4881 6:163
7:6 8:1645 9:1 10:1 11:172 12:1376
13:351 14:2552 15:353 16:279 17:364 18:911
20:474 21:4 22:188 23:7398 24:3070 25:2
27:2806 29:19 31:3290 32:55 34:83 35:209
36:2426 37:4833 38:10254 39:900 40:154 41:4713
42:1947 43:2607 44:358 45:20060 46:5057 47:291
49:2004 50:1901 51:590 52:1589 54:301 55:1075
56:9 57:262 58:2290 59:1384 60:1169 61:3092
62:3032 63:1856 64:5549 65:2206 66:4710 67:3076
68:1137 69:4008 70:1129 71:627 72:2937 74:2846
75:1663 76:615 77:2811 78:4247 79:1763 80:2233
81:2187 82:2921 83:1444 84:1837 85:4304 86:1047
87:2431 88:3430 89:4495 90:784 91:8450 92:2808
93:2914 94:4098 95:5467 96:1426 97:323 98:997
99:740 100:71 101:1326 102:4167 103:32562 104:4844
105:2229 106:999 107:2611 108:1217 109:4176 110:2272
111:3351 112:2064 113:1821 114:1963 115:2207 116:2097
117:2747 118:2875 119:2008 120:1908 121:1435 122:2888
123:2373 124:1686 125:2894 126:88 128:1606 129:1015
130:1316 131:2043 132:897 133:451 134:1533 135:375
136:1285 137:1169 138:3250 139:1626 140:1570 141:1484
142:1871 143:1751 144:1061 145:487 146:2185 147:2103
148:2627 149:2977 150:1257 151:2037 152:2128 153:574
154:8188 155:1638 156:3347 157:1931 158:1268 159:2437
160:3655 161:1998 162:3737 163:1974 164:1752 165:2241
166:1419 167:1918 168:4379 169:819 170:5548 171:1006
172:4485 173:3258 174:913 175:1281 176:3815 177:6158
178:3999 179:2806 180:2659 181:4205 182:3379 183:2057
184:2305 185:21795 186:5708 187:5022 188:4350 189:4605
190:9943 191:2115 192:11223 193:9487 194:7890 195:5685
196:3630 197:3956 198:6222 199:8441 200:8749 201:6572
202:10903 203:10771 204:4568 205:3712 206:4703 207:3589
208:4224 209:5263 210:4885 211:2628 212:4611 213:3878
214:1052 215:48 216:6686 217:3178 218:1386 219:553
220:2084 221:1068 222:851 223:2337
End of report
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