[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Mar 18 22:46:13 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Tue 18 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: 1030578
Prefixes after maximum aggregation (per Origin AS): 377983
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 475762
Total ASes present in the Internet Routing Table: 76830
Prefixes per ASN: 13.41
Origin-only ASes present in the Internet Routing Table: 66187
Origin ASes announcing only one prefix: 26267
Transit ASes present in the Internet Routing Table: 10643
Transit-only ASes present in the Internet Routing Table: 533
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: 1096
Number of instances of unregistered ASNs: 1102
Number of 32-bit ASNs allocated by the RIRs: 46144
Number of 32-bit ASNs visible in the Routing Table: 38039
Prefixes from 32-bit ASNs in the Routing Table: 211081
Number of bogon 32-bit ASNs visible in the Routing Table: 81
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 536
Number of addresses announced to Internet: 3114649957
Equivalent to 185 /8s, 165 /16s and 201 /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: 348455
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265498
Total APNIC prefixes after maximum aggregation: 76738
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 257126
Unique aggregates announced from the APNIC address blocks: 102793
APNIC Region origin ASes present in the Internet Routing Table: 14605
APNIC Prefixes per ASN: 17.61
APNIC Region origin ASes announcing only one prefix: 4433
APNIC Region transit ASes present in the Internet Routing Table: 1929
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: 10073
Number of APNIC addresses announced to Internet: 751882560
Equivalent to 44 /8s, 208 /16s and 209 /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: 295930
Total ARIN prefixes after maximum aggregation: 129938
ARIN Deaggregation factor: 2.28
Prefixes being announced from the ARIN address blocks: 296412
Unique aggregates announced from the ARIN address blocks: 136525
ARIN Region origin ASes present in the Internet Routing Table: 19237
ARIN Prefixes per ASN: 15.41
ARIN Region origin ASes announcing only one prefix: 7012
ARIN Region transit ASes present in the Internet Routing Table: 1891
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: 5168
Number of ARIN addresses announced to Internet: 1352898560
Equivalent to 80 /8s, 163 /16s and 152 /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: 290313
Total RIPE prefixes after maximum aggregation: 134245
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 288210
Unique aggregates announced from the RIPE address blocks: 173568
RIPE Region origin ASes present in the Internet Routing Table: 28922
RIPE Prefixes per ASN: 9.97
RIPE Region origin ASes announcing only one prefix: 12006
RIPE Region transit ASes present in the Internet Routing Table: 3837
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: 12341
Number of RIPE addresses announced to Internet: 732531621
Equivalent to 43 /8s, 169 /16s and 139 /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: 138602
Total LACNIC prefixes after maximum aggregation: 29502
LACNIC Deaggregation factor: 4.70
Prefixes being announced from the LACNIC address blocks: 135353
Unique aggregates announced from the LACNIC address blocks: 48966
LACNIC Region origin ASes present in the Internet Routing Table: 11221
LACNIC Prefixes per ASN: 12.06
LACNIC Region origin ASes announcing only one prefix: 2165
LACNIC Region transit ASes present in the Internet Routing Table: 2462
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: 9170
Number of LACNIC addresses announced to Internet: 171678080
Equivalent to 10 /8s, 59 /16s and 153 /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: 39139
Total AfriNIC prefixes after maximum aggregation: 6888
AfriNIC Deaggregation factor: 5.68
Prefixes being announced from the AfriNIC address blocks: 52939
Unique aggregates announced from the AfriNIC address blocks: 13453
AfriNIC Region origin ASes present in the Internet Routing Table: 1923
AfriNIC Prefixes per ASN: 27.53
AfriNIC Region origin ASes announcing only one prefix: 651
AfriNIC Region transit ASes present in the Internet Routing Table: 364
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1287
Number of AfriNIC addresses announced to Internet: 105403136
Equivalent to 6 /8s, 72 /16s and 83 /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 10325 8753 90 CHINAMOBILE-CN China Mobile Communication
7545 6213 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4982 4193 77 ERX-CERNET-BKB China Education and Resear
18403 4377 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4265 530 277 BBIL-AP BHARTI Airtel Ltd., IN
7552 3912 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3677 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3284 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2838 847 536 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2206 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 12945 39643 3959 AMAZON-02, US
174 5523 8764 945 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 3049 182 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
16625 3073 1301 2221 AKAMAI-AS, US
396982 2945 3660 458 GOOGLE-CLOUD-PLATFORM, US
30036 2554 351 402 MEDIACOM-ENTERPRISE-BUSINESS, 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 9697 1290 1266 TTNET, TR
12479 7759 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4021 3396 142 AKAMAI-ASN1, NL
9009 3769 323 1946 M247, RO
12389 3010 2303 891 ROSTELECOM-AS, RU
34984 2417 364 575 TELLCOM-AS, TR
212238 2049 146 1509 CDNEXT, GB
8452 1913 1852 14 TE-AS TE-AS, EG
5384 1799 585 30 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 12113 3259 682 UNINET, MX
10620 3523 486 970 Telmex Colombia S.A., CO
13999 2513 539 368 Mega Cable, S.A. de C.V., MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
28573 1594 2437 265 Claro NXT Telecomunicacoes Ltda, BR
3816 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1193 371 22 Telefonica del Peru S.A.A., PE
28202 1132 52 9 Rede Brasileira de Comunicacao SA, BR
6503 1070 359 174 Axtel, S.A.B. de C.V., MX
11664 1070 278 33 Techtel LMDS Comunicaciones Interactivas
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 1683 599 30 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1619 389 16 LINKdotNET-AS, EG
29571 1580 104 44 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 859 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 12945 39643 3959 AMAZON-02, US
8151 12113 3259 682 UNINET, MX
9808 10325 8753 90 CHINAMOBILE-CN China Mobile Communication
47331 9697 1290 1266 TTNET, TR
12479 7759 1714 145 UNI2-AS, ES
7545 6213 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5523 8764 945 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 12113 11431 UNINET, MX
9808 10325 10235 CHINAMOBILE-CN China Mobile Communications Grou
47331 9697 8431 TTNET, TR
12479 7759 7614 UNI2-AS, ES
7545 6213 5554 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 5523 4578 COGENT-174, US
18403 4377 4352 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
23.136.20.0/24 Origin: 215248 BASTIAANBRINK 630f001f327f717247f4286681
23.136.20.0/24 Transit: 34224 NETERRA-AS, BG
23.136.28.0/24 Origin: 1015 SERVERSTARTERHOST, US
23.136.28.0/24 Transit: 30456 COSMIC-GLOBAL, US
23.136.36.0/24 Origin: 17378 AS17378, US
23.136.36.0/24 Transit: 18106 VIEWQWEST-SG-AP Viewqwest Pte Ltd, SG
23.138.40.0/22 Origin: 964 IONSWITCH-NW, US
23.138.40.0/22 Transit: 20055 AS-WHOLESAIL, 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 /10:42 /11:92 /12:304
/13:587 /14:1236 /15:2207 /16:14135 /17:8597 /18:14301
/19:25487 /20:46083 /21:54676 /22:115964 /23:110417 /24:633192
/25:593 /26:589 /27:1056 /28:72 /29:105 /30:20
/31:2 /32:788
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8780 9697 TTNET, TR
12479 6696 7759 UNI2-AS, ES
8151 6266 12113 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 2526 3390 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2339 12945 AMAZON-02, US
30036 2214 2554 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2386 2:1532 3:595 4:25 5:4875 6:162
7:6 8:1643 9:1 10:1 11:172 12:1379
13:345 14:2554 15:352 16:279 17:364 18:921
20:472 21:4 22:188 23:7386 24:3070 25:2
27:2788 29:19 31:3271 32:55 34:83 35:208
36:2424 37:4748 38:10274 39:900 40:154 41:4790
42:1983 43:2589 44:355 45:20029 46:5095 47:291
49:2007 50:1896 51:590 52:1589 54:302 55:1078
56:9 57:264 58:2292 59:1367 60:1165 61:3098
62:3033 63:1853 64:5545 65:2193 66:4710 67:3072
68:1137 69:3990 70:1131 71:628 72:2937 74:2816
75:1646 76:616 77:2812 78:4233 79:1758 80:2233
81:2194 82:2884 83:1438 84:1833 85:4292 86:1041
87:2434 88:3427 89:4494 90:783 91:8460 92:2813
93:2885 94:3997 95:5464 96:1422 97:324 98:992
99:738 100:71 101:1328 102:4269 103:32599 104:4849
105:2229 106:999 107:2611 108:1218 109:4180 110:2273
111:3348 112:2064 113:1830 114:1958 115:2207 116:2104
117:2757 118:2894 119:2013 120:1909 121:1437 122:2876
123:2336 124:1680 125:2914 126:88 128:1608 129:1013
130:1315 131:2036 132:903 133:451 134:1533 135:376
136:1270 137:1174 138:3241 139:1636 140:1564 141:1484
142:1857 143:1766 144:1065 145:487 146:2183 147:2098
148:2616 149:2974 150:1262 151:2124 152:2133 153:574
154:8195 155:1637 156:3349 157:1936 158:1282 159:2433
160:3657 161:1998 162:3713 163:1950 164:1757 165:2231
166:1410 167:1910 168:4382 169:822 170:5533 171:1005
172:4480 173:3234 174:913 175:1282 176:3818 177:6136
178:3983 179:2773 180:2659 181:4201 182:3371 183:2071
184:2304 185:21787 186:5726 187:4989 188:4345 189:4602
190:9935 191:2084 192:11214 193:9484 194:7893 195:5686
196:3651 197:3988 198:6236 199:8425 200:8756 201:6571
202:10913 203:10754 204:4563 205:3701 206:4680 207:3590
208:4221 209:5275 210:4882 211:2634 212:4607 213:3864
214:1056 215:42 216:6681 217:3175 218:1386 219:549
220:2106 221:1057 222:851 223:2339
End of report
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