[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Mar 27 22:46:35 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Thu 27 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: 1034121
Prefixes after maximum aggregation (per Origin AS): 378666
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 476172
Total ASes present in the Internet Routing Table: 76881
Prefixes per ASN: 13.45
Origin-only ASes present in the Internet Routing Table: 66183
Origin ASes announcing only one prefix: 26270
Transit ASes present in the Internet Routing Table: 10698
Transit-only ASes present in the Internet Routing Table: 545
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: 1104
Number of instances of unregistered ASNs: 1109
Number of 32-bit ASNs allocated by the RIRs: 46099
Number of 32-bit ASNs visible in the Routing Table: 38078
Prefixes from 32-bit ASNs in the Routing Table: 211599
Number of bogon 32-bit ASNs visible in the Routing Table: 77
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 502
Number of addresses announced to Internet: 3114787685
Equivalent to 185 /8s, 167 /16s and 227 /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: 349239
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 267090
Total APNIC prefixes after maximum aggregation: 76978
APNIC Deaggregation factor: 3.47
Prefixes being announced from the APNIC address blocks: 258715
Unique aggregates announced from the APNIC address blocks: 102604
APNIC Region origin ASes present in the Internet Routing Table: 14625
APNIC Prefixes per ASN: 17.69
APNIC Region origin ASes announcing only one prefix: 4430
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: 48
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10092
Number of APNIC addresses announced to Internet: 754385984
Equivalent to 44 /8s, 247 /16s and 4 /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: 296923
Total ARIN prefixes after maximum aggregation: 130322
ARIN Deaggregation factor: 2.28
Prefixes being announced from the ARIN address blocks: 297291
Unique aggregates announced from the ARIN address blocks: 136803
ARIN Region origin ASes present in the Internet Routing Table: 19251
ARIN Prefixes per ASN: 15.44
ARIN Region origin ASes announcing only one prefix: 7022
ARIN Region transit ASes present in the Internet Routing Table: 1896
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: 5174
Number of ARIN addresses announced to Internet: 1350620416
Equivalent to 80 /8s, 128 /16s and 213 /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: 291135
Total RIPE prefixes after maximum aggregation: 134390
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 289115
Unique aggregates announced from the RIPE address blocks: 173942
RIPE Region origin ASes present in the Internet Routing Table: 28930
RIPE Prefixes per ASN: 9.99
RIPE Region origin ASes announcing only one prefix: 11993
RIPE Region transit ASes present in the Internet Routing Table: 3859
Average RIPE Region AS path length visible: 3.2
Max RIPE Region AS path length visible: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12361
Number of RIPE addresses announced to Internet: 732559269
Equivalent to 43 /8s, 169 /16s and 247 /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: 138554
Total LACNIC prefixes after maximum aggregation: 29413
LACNIC Deaggregation factor: 4.71
Prefixes being announced from the LACNIC address blocks: 135285
Unique aggregates announced from the LACNIC address blocks: 48784
LACNIC Region origin ASes present in the Internet Routing Table: 11224
LACNIC Prefixes per ASN: 12.05
LACNIC Region origin ASes announcing only one prefix: 2179
LACNIC Region transit ASes present in the Internet Routing Table: 2444
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: 171699072
Equivalent to 10 /8s, 59 /16s and 235 /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: 39315
Total AfriNIC prefixes after maximum aggregation: 6879
AfriNIC Deaggregation factor: 5.72
Prefixes being announced from the AfriNIC address blocks: 53211
Unique aggregates announced from the AfriNIC address blocks: 13602
AfriNIC Region origin ASes present in the Internet Routing Table: 1917
AfriNIC Prefixes per ASN: 27.76
AfriNIC Region origin ASes announcing only one prefix: 646
AfriNIC Region transit ASes present in the Internet Routing Table: 367
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1281
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 10373 8921 125 CHINAMOBILE-CN China Mobile Communication
7545 6217 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4981 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4288 531 279 BBIL-AP BHARTI Airtel Ltd., IN
18403 4287 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 3693 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 12965 39645 3976 AMAZON-02, US
174 5557 8766 960 COGENT-174, US
11492 4675 310 585 CABLEONE, US
7155 4173 286 83 VIASAT-SP-BACKBONE, US
6327 3623 1320 81 SHAW, CA
22773 3391 3050 182 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
16625 3111 1307 2241 AKAMAI-AS, US
396982 2948 3665 460 GOOGLE-CLOUD-PLATFORM, US
36352 2566 213 797 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 7722 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4035 3396 141 AKAMAI-ASN1, NL
9009 3787 327 1965 M247, RO
12389 3039 2303 890 ROSTELECOM-AS, RU
34984 2412 363 576 TELLCOM-AS, TR
212238 2063 147 1524 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 11988 3245 588 UNINET, MX
10620 3522 486 971 Telmex Colombia S.A., CO
13999 2515 539 369 Mega Cable, S.A. de C.V., MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
28573 1595 2438 259 Claro NXT Telecomunicacoes Ltda, BR
3816 1329 782 207 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
37069 1094 1088 19 MOBINIL, EG
36935 1006 521 42 Vodafone-, 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 12965 39645 3976 AMAZON-02, US
8151 11988 3245 588 UNINET, MX
9808 10373 8921 125 CHINAMOBILE-CN China Mobile Communication
47331 9734 1293 1153 TTNET, TR
12479 7722 1714 145 UNI2-AS, ES
7545 6217 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5557 8766 960 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 11988 11400 UNINET, MX
9808 10373 10248 CHINAMOBILE-CN China Mobile Communications Grou
47331 9734 8581 TTNET, TR
12479 7722 7577 UNI2-AS, ES
7545 6217 5560 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 5557 4597 COGENT-174, US
18403 4287 4262 FPT-AS-AP FPT Telecom Company, VN
11492 4675 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
23.136.124.0/24 Origin: 394106 BEIDEAL, US
23.136.124.0/24 Transit: 151349 YUKI-NET-AS-AP Yuki Network Ltd, KR
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
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 /14:1238 /15:2209 /16:14157 /17:8616 /18:14773
/19:25654 /20:46505 /21:54967 /22:116485 /23:110979 /24:634409
/25:404 /26:587 /27:1049 /28:69 /29:104 /30:20
/31:2 /32:838
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8816 9734 TTNET, TR
12479 6654 7722 UNI2-AS, ES
8151 6135 11988 UNINET, MX
11492 3528 4675 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3418 3623 SHAW, CA
7155 3120 4173 VIASAT-SP-BACKBONE, US
22773 2526 3391 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2332 12965 AMAZON-02, US
30036 2219 2559 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2381 2:1543 3:600 4:25 5:4896 6:163
7:6 8:1644 9:1 10:1 11:172 12:1376
13:350 14:2557 15:353 16:279 17:364 18:916
20:474 21:4 22:188 23:7409 24:3069 25:2
27:2793 29:19 31:3294 32:55 34:84 35:209
36:2425 37:4876 38:10323 39:901 40:154 41:4751
42:1946 43:2614 44:361 45:20048 46:5015 47:291
49:2004 50:1905 51:590 52:1584 54:300 55:1089
56:11 57:261 58:2287 59:1410 60:1170 61:3096
62:3041 63:1855 64:5548 65:2204 66:4696 67:3084
68:1139 69:4012 70:1131 71:628 72:2936 74:2845
75:1667 76:616 77:2823 78:4249 79:1743 80:2232
81:2204 82:3056 83:1463 84:1837 85:4327 86:1054
87:2423 88:3428 89:4496 90:780 91:8440 92:2819
93:2903 94:4175 95:5488 96:1428 97:323 98:997
99:740 100:71 101:1326 102:4213 103:32587 104:4840
105:2229 106:995 107:2611 108:1217 109:4065 110:2272
111:3357 112:2064 113:1836 114:1974 115:2216 116:2096
117:2740 118:2898 119:2009 120:1904 121:1435 122:2887
123:2380 124:1686 125:2912 126:88 128:1613 129:1037
130:1316 131:2071 132:896 133:451 134:1529 135:375
136:1290 137:1172 138:3242 139:1631 140:1574 141:1499
142:1870 143:1768 144:1065 145:519 146:2179 147:2102
148:2645 149:2980 150:1262 151:2038 152:2129 153:574
154:8183 155:1649 156:3318 157:1935 158:1277 159:2438
160:3661 161:1986 162:3743 163:1988 164:1752 165:2245
166:1427 167:1921 168:4390 169:827 170:5544 171:1006
172:4488 173:3262 174:912 175:1292 176:3834 177:6189
178:4003 179:2797 180:2661 181:4220 182:3380 183:2035
184:2306 185:21792 186:5743 187:5014 188:4339 189:4606
190:9970 191:2103 192:11232 193:9488 194:7907 195:5681
196:3662 197:3958 198:6241 199:8463 200:8786 201:6567
202:10897 203:10773 204:4589 205:3703 206:4700 207:3587
208:4220 209:5283 210:4889 211:2629 212:4598 213:3886
214:1043 215:48 216:6690 217:3172 218:1386 219:550
220:2082 221:1072 222:851 223:2336
End of report
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