[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Apr 28 22:46:55 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Mon 28 Apr, 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: 1028551
Prefixes after maximum aggregation (per Origin AS): 379752
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 478158
Total ASes present in the Internet Routing Table: 76779
Prefixes per ASN: 13.40
Origin-only ASes present in the Internet Routing Table: 66077
Origin ASes announcing only one prefix: 26343
Transit ASes present in the Internet Routing Table: 10702
Transit-only ASes present in the Internet Routing Table: 535
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.1
Max AS path length visible: 52
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1125
Number of instances of unregistered ASNs: 1128
Number of 32-bit ASNs allocated by the RIRs: 46291
Number of 32-bit ASNs visible in the Routing Table: 38105
Prefixes from 32-bit ASNs in the Routing Table: 211302
Number of bogon 32-bit ASNs visible in the Routing Table: 71
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 477
Number of addresses announced to Internet: 3103309797
Equivalent to 184 /8s, 248 /16s and 191 /24s
Percentage of available address space announced: 83.8
Percentage of allocated address space announced: 83.8
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: 346440
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265425
Total APNIC prefixes after maximum aggregation: 77300
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 256532
Unique aggregates announced from the APNIC address blocks: 103318
APNIC Region origin ASes present in the Internet Routing Table: 14656
APNIC Prefixes per ASN: 17.50
APNIC Region origin ASes announcing only one prefix: 4452
APNIC Region transit ASes present in the Internet Routing Table: 1949
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: 10145
Number of APNIC addresses announced to Internet: 749360960
Equivalent to 44 /8s, 170 /16s and 87 /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: 297058
Total ARIN prefixes after maximum aggregation: 131100
ARIN Deaggregation factor: 2.27
Prefixes being announced from the ARIN address blocks: 297780
Unique aggregates announced from the ARIN address blocks: 138473
ARIN Region origin ASes present in the Internet Routing Table: 19267
ARIN Prefixes per ASN: 15.46
ARIN Region origin ASes announcing only one prefix: 7029
ARIN Region transit ASes present in the Internet Routing Table: 1906
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: 5205
Number of ARIN addresses announced to Internet: 1348947456
Equivalent to 80 /8s, 103 /16s and 78 /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: 286696
Total RIPE prefixes after maximum aggregation: 134175
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 284412
Unique aggregates announced from the RIPE address blocks: 172956
RIPE Region origin ASes present in the Internet Routing Table: 28789
RIPE Prefixes per ASN: 9.88
RIPE Region origin ASes announcing only one prefix: 11997
RIPE Region transit ASes present in the Internet Routing Table: 3864
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12295
Number of RIPE addresses announced to Internet: 729229861
Equivalent to 43 /8s, 119 /16s and 42 /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: 138832
Total LACNIC prefixes after maximum aggregation: 29619
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 135512
Unique aggregates announced from the LACNIC address blocks: 48874
LACNIC Region origin ASes present in the Internet Routing Table: 11231
LACNIC Prefixes per ASN: 12.07
LACNIC Region origin ASes announcing only one prefix: 2216
LACNIC Region transit ASes present in the Internet Routing Table: 2454
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: 171886720
Equivalent to 10 /8s, 62 /16s and 200 /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: 39415
Total AfriNIC prefixes after maximum aggregation: 6897
AfriNIC Deaggregation factor: 5.71
Prefixes being announced from the AfriNIC address blocks: 53836
Unique aggregates announced from the AfriNIC address blocks: 14146
AfriNIC Region origin ASes present in the Internet Routing Table: 1921
AfriNIC Prefixes per ASN: 28.02
AfriNIC Region origin ASes announcing only one prefix: 649
AfriNIC Region transit ASes present in the Internet Routing Table: 363
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: 1287
Number of AfriNIC addresses announced to Internet: 103657728
Equivalent to 6 /8s, 45 /16s and 177 /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 10458 8754 95 CHINAMOBILE-CN China Mobile Communication
7545 6215 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4872 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4332 531 280 BBIL-AP BHARTI Airtel Ltd., IN
18403 4257 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3920 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3678 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3281 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2862 851 540 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2208 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 13258 39702 4100 AMAZON-02, US
174 5643 8757 933 COGENT-174, US
11492 4701 312 586 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3405 3050 181 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54879 2505 DNIC-AS-00749, US
16625 3122 1311 2255 AKAMAI-AS, US
396982 2966 3651 474 GOOGLE-CLOUD-PLATFORM, US
36352 2736 225 834 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 9749 1295 1091 TTNET, TR
12479 6000 1712 162 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4073 3396 140 AKAMAI-ASN1, NL
9009 3776 327 1974 M247, RO
12389 3074 2303 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2411 363 577 TELLCOM-AS, TR
212238 2112 149 1550 CDNEXT, GB
8452 1939 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
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 12278 3262 698 UNINET, MX
10620 3516 485 994 Telmex Colombia S.A., CO
13999 2508 539 364 Mega Cable, S.A. de C.V., MX
11830 1994 369 64 Instituto Costarricense de Electricidad y
28573 1601 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1332 784 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1191 371 21 Telefonica del Peru S.A.A., PE
28202 1129 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1097 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1056 70 382 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 1743 607 31 RAYA-AS, EG
24863 1650 389 16 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1589 102 22 ORANGE-COTE-IVOIRE, CI
36992 1435 1518 283 ETISALAT-MISR, EG
20011 1295 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1020 521 42 Vodafone-, EG
3741 560 661 319 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 13258 39702 4100 AMAZON-02, US
8151 12278 3262 698 UNINET, MX
9808 10458 8754 95 CHINAMOBILE-CN China Mobile Communication
47331 9749 1295 1091 TTNET, TR
7545 6215 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
12479 6000 1712 162 UNI2-AS, ES
174 5643 8757 933 COGENT-174, US
4538 4872 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4701 312 586 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 12278 11580 UNINET, MX
9808 10458 10363 CHINAMOBILE-CN China Mobile Communications Grou
47331 9749 8658 TTNET, TR
12479 6000 5838 UNI2-AS, ES
7545 6215 5559 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4872 4795 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5643 4710 COGENT-174, US
18403 4257 4232 FPT-AS-AP FPT Telecom Company, VN
11492 4701 4115 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
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
46639 UNALLOCATED 8.38.73.0/24 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 /12:299
/13:581 /14:1229 /15:2190 /16:14001 /17:8412 /18:14154
/19:25322 /20:45965 /21:54343 /22:114736 /23:109428 /24:634483
/25:574 /26:582 /27:1056 /28:66 /29:105 /30:20
/31:2 /32:836
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8830 9749 TTNET, TR
8151 6427 12278 UNINET, MX
12479 5078 6000 UNI2-AS, ES
11492 3531 4701 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2543 3405 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2353 13258 AMAZON-02, US
30036 2227 2567 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2380 2:1525 3:628 4:25 5:4889 6:163
7:6 8:1649 9:1 10:1 11:172 12:1377
13:350 14:2557 15:354 16:282 17:369 18:920
20:524 21:4 22:188 23:7568 24:2910 25:2
27:2805 29:19 31:3296 32:48 34:84 35:212
36:2514 37:4695 38:10430 39:909 40:170 41:4760
42:1922 43:2632 44:378 45:20018 46:5072 47:298
49:1949 50:1914 51:590 52:1583 54:298 55:1078
56:11 57:265 58:2290 59:1435 60:1171 61:3028
62:3030 63:1846 64:5530 65:2215 66:4733 67:3123
68:1147 69:4008 70:1082 71:634 72:2943 74:2813
75:1627 76:618 77:2839 78:4353 79:1769 80:2214
81:2225 82:3227 83:1461 84:1843 85:4304 86:1055
87:2218 88:3513 89:4431 90:662 91:8423 92:2635
93:2902 94:4116 95:5516 96:1467 97:322 98:998
99:668 100:72 101:1421 102:4412 103:32582 104:4857
105:2212 106:1046 107:2639 108:1227 109:4124 110:2245
111:3370 112:2072 113:1825 114:1983 115:2266 116:2096
117:2742 118:2911 119:1975 120:1914 121:1442 122:2780
123:2413 124:1687 125:2897 126:91 128:1611 129:1039
130:1348 131:2066 132:878 133:451 134:1544 135:377
136:1311 137:1182 138:3231 139:1623 140:1586 141:1497
142:1949 143:1778 144:1097 145:521 146:2178 147:2096
148:2687 149:2930 150:1259 151:1760 152:2114 153:563
154:8613 155:1660 156:3414 157:1905 158:1299 159:2440
160:3695 161:1930 162:3773 163:2112 164:1762 165:2242
166:1457 167:1907 168:4364 169:823 170:5539 171:1003
172:4511 173:3282 174:910 175:1309 176:3776 177:6132
178:3862 179:3001 180:2674 181:4227 182:3397 183:2054
184:2148 185:21297 186:5794 187:5084 188:4235 189:4666
190:9868 191:2070 192:11302 193:9475 194:7844 195:5653
196:3687 197:3997 198:6236 199:8525 200:8758 201:6559
202:10861 203:10755 204:4576 205:3681 206:4671 207:3583
208:4258 209:5277 210:4897 211:2637 212:4653 213:3877
214:1023 215:48 216:6708 217:3187 218:1390 219:550
220:2092 221:1059 222:856 223:2368
End of report
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