[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 29 22:46:29 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sat 29 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: 1034103
Prefixes after maximum aggregation (per Origin AS): 378725
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 476713
Total ASes present in the Internet Routing Table: 76872
Prefixes per ASN: 13.45
Origin-only ASes present in the Internet Routing Table: 66172
Origin ASes announcing only one prefix: 26282
Transit ASes present in the Internet Routing Table: 10700
Transit-only ASes present in the Internet Routing Table: 549
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: 58
Max AS path prepend of ASN (135823) 50
Prefixes from unregistered ASNs in the Routing Table: 1096
Number of instances of unregistered ASNs: 1101
Number of 32-bit ASNs allocated by the RIRs: 46117
Number of 32-bit ASNs visible in the Routing Table: 38072
Prefixes from 32-bit ASNs in the Routing Table: 211661
Number of bogon 32-bit ASNs visible in the Routing Table: 75
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 501
Number of addresses announced to Internet: 3114403941
Equivalent to 185 /8s, 162 /16s and 8 /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: 349515
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 267097
Total APNIC prefixes after maximum aggregation: 77007
APNIC Deaggregation factor: 3.47
Prefixes being announced from the APNIC address blocks: 258692
Unique aggregates announced from the APNIC address blocks: 102662
APNIC Region origin ASes present in the Internet Routing Table: 14612
APNIC Prefixes per ASN: 17.70
APNIC Region origin ASes announcing only one prefix: 4442
APNIC Region transit ASes present in the Internet Routing Table: 1961
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 58
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10077
Number of APNIC addresses announced to Internet: 754176320
Equivalent to 44 /8s, 243 /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: 296774
Total ARIN prefixes after maximum aggregation: 130328
ARIN Deaggregation factor: 2.28
Prefixes being announced from the ARIN address blocks: 297089
Unique aggregates announced from the ARIN address blocks: 137118
ARIN Region origin ASes present in the Internet Routing Table: 19258
ARIN Prefixes per ASN: 15.43
ARIN Region origin ASes announcing only one prefix: 7021
ARIN Region transit ASes present in the Internet Routing Table: 1893
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: 5177
Number of ARIN addresses announced to Internet: 1350249728
Equivalent to 80 /8s, 123 /16s and 45 /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: 291127
Total RIPE prefixes after maximum aggregation: 134362
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 289128
Unique aggregates announced from the RIPE address blocks: 173967
RIPE Region origin ASes present in the Internet Routing Table: 28926
RIPE Prefixes per ASN: 10.00
RIPE Region origin ASes announcing only one prefix: 11991
RIPE Region transit ASes present in the Internet Routing Table: 3858
Average RIPE Region AS path length visible: 3.2
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12364
Number of RIPE addresses announced to Internet: 732609957
Equivalent to 43 /8s, 170 /16s and 189 /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: 138881
Total LACNIC prefixes after maximum aggregation: 29513
LACNIC Deaggregation factor: 4.71
Prefixes being announced from the LACNIC address blocks: 135605
Unique aggregates announced from the LACNIC address blocks: 48941
LACNIC Region origin ASes present in the Internet Routing Table: 11229
LACNIC Prefixes per ASN: 12.08
LACNIC Region origin ASes announcing only one prefix: 2181
LACNIC Region transit ASes present in the Internet Routing Table: 2451
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: 171844480
Equivalent to 10 /8s, 62 /16s and 35 /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: 39128
Total AfriNIC prefixes after maximum aggregation: 6837
AfriNIC Deaggregation factor: 5.72
Prefixes being announced from the AfriNIC address blocks: 53086
Unique aggregates announced from the AfriNIC address blocks: 13583
AfriNIC Region origin ASes present in the Internet Routing Table: 1912
AfriNIC Prefixes per ASN: 27.76
AfriNIC Region origin ASes announcing only one prefix: 647
AfriNIC Region transit ASes present in the Internet Routing Table: 369
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: 1280
Number of AfriNIC addresses announced to Internet: 105277696
Equivalent to 6 /8s, 70 /16s and 105 /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 10374 8921 126 CHINAMOBILE-CN China Mobile Communication
7545 6218 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4981 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4294 531 279 BBIL-AP BHARTI Airtel Ltd., IN
18403 4230 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3917 1332 26 VIETEL-AS-AP Viettel Group, VN
45899 3913 1890 52 VNPT-AS-VN VNPT Corp, VN
7713 3677 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
24560 2847 848 537 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 12958 39645 3988 AMAZON-02, US
174 5555 8767 970 COGENT-174, US
11492 4676 310 586 CABLEONE, US
7155 4173 286 83 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3390 3050 182 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
16625 3105 1306 2245 AKAMAI-AS, US
396982 2946 3649 460 GOOGLE-CLOUD-PLATFORM, US
36352 2580 213 794 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 9745 1294 1100 TTNET, TR
12479 7723 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4022 3396 142 AKAMAI-ASN1, NL
9009 3791 327 1970 M247, RO
12389 3041 2303 890 ROSTELECOM-AS, RU
34984 2412 363 576 TELLCOM-AS, TR
212238 2070 147 1527 CDNEXT, GB
8452 1954 1852 14 TE-AS TE-AS, EG
5384 1802 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 12194 3261 685 UNINET, MX
10620 3522 486 971 Telmex Colombia S.A., CO
13999 2513 539 367 Mega Cable, S.A. de C.V., MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
28573 1595 2438 259 Claro NXT Telecomunicacoes Ltda, BR
3816 1332 783 210 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
11664 1071 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1053 70 381 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 1703 599 30 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1620 389 18 LINKdotNET-AS, EG
29571 1567 102 23 ORANGE-COTE-IVOIRE, CI
36992 1428 1518 287 ETISALAT-MISR, EG
20011 1294 202 344 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 12958 39645 3988 AMAZON-02, US
8151 12194 3261 685 UNINET, MX
9808 10374 8921 126 CHINAMOBILE-CN China Mobile Communication
47331 9745 1294 1100 TTNET, TR
12479 7723 1714 145 UNI2-AS, ES
7545 6218 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5555 8767 970 COGENT-174, US
4538 4981 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4676 310 586 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 12194 11509 UNINET, MX
9808 10374 10248 CHINAMOBILE-CN China Mobile Communications Grou
47331 9745 8645 TTNET, TR
12479 7723 7578 UNI2-AS, ES
7545 6218 5562 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 5555 4585 COGENT-174, US
18403 4230 4205 FPT-AS-AP FPT Telecom Company, VN
11492 4676 4090 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
212032 UNALLOCATED 5.59.105.0/24 35168 TNS-PLUS-CORE, KZ
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
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 /12:303
/13:586 /14:1239 /15:2208 /16:14156 /17:8617 /18:14774
/19:25662 /20:46235 /21:54972 /22:116520 /23:111052 /24:634340
/25:590 /26:590 /27:1055 /28:69 /29:106 /30:20
/31:2 /32:840
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8827 9745 TTNET, TR
12479 6655 7723 UNI2-AS, ES
8151 6338 12194 UNINET, MX
11492 3529 4676 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 3120 4173 VIASAT-SP-BACKBONE, US
22773 2525 3390 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2333 12958 AMAZON-02, US
30036 2219 2560 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2371 2:1538 3:599 4:25 5:4893 6:163
7:6 8:1645 9:1 10:1 11:172 12:1376
13:353 14:2554 15:353 16:279 17:364 18:912
20:474 21:4 22:188 23:7403 24:3070 25:2
27:2792 29:19 31:3309 32:55 34:84 35:209
36:2425 37:4835 38:10322 39:900 40:154 41:4759
42:1933 43:2615 44:360 45:20034 46:5011 47:291
49:2005 50:1909 51:590 52:1587 54:301 55:1089
56:11 57:261 58:2287 59:1416 60:1171 61:3096
62:3040 63:1853 64:5540 65:2209 66:4695 67:3084
68:1140 69:4013 70:1130 71:628 72:2928 74:2838
75:1667 76:616 77:2824 78:4247 79:1747 80:2235
81:2204 82:3047 83:1462 84:1838 85:4319 86:1051
87:2428 88:3437 89:4499 90:779 91:8445 92:2815
93:2899 94:4127 95:5493 96:1417 97:323 98:995
99:740 100:71 101:1421 102:4210 103:32512 104:4837
105:2228 106:994 107:2608 108:1219 109:4140 110:2272
111:3353 112:2064 113:1828 114:1974 115:2212 116:2095
117:2740 118:2876 119:2005 120:1904 121:1435 122:2881
123:2419 124:1687 125:2896 126:88 128:1614 129:1031
130:1313 131:2066 132:890 133:451 134:1532 135:375
136:1290 137:1172 138:3247 139:1637 140:1572 141:1484
142:1875 143:1761 144:1063 145:522 146:2180 147:2104
148:2640 149:2976 150:1262 151:2043 152:2129 153:574
154:8201 155:1636 156:3330 157:1931 158:1277 159:2439
160:3667 161:1984 162:3738 163:1989 164:1750 165:2245
166:1429 167:1917 168:4376 169:830 170:5537 171:1007
172:4486 173:3259 174:913 175:1291 176:3832 177:6218
178:4001 179:2789 180:2659 181:4239 182:3380 183:2035
184:2304 185:21799 186:5783 187:5016 188:4335 189:4616
190:9978 191:2096 192:11226 193:9488 194:7906 195:5678
196:3678 197:3965 198:6239 199:8464 200:8777 201:6567
202:10884 203:10761 204:4580 205:3699 206:4692 207:3589
208:4221 209:5283 210:4878 211:2630 212:4597 213:3891
214:1046 215:48 216:6690 217:3173 218:1387 219:550
220:2089 221:1072 222:844 223:2336
End of report
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