[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Apr 27 22:46:59 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sun 27 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: 1032166
Prefixes after maximum aggregation (per Origin AS): 380600
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 479689
Total ASes present in the Internet Routing Table: 76968
Prefixes per ASN: 13.41
Origin-only ASes present in the Internet Routing Table: 66237
Origin ASes announcing only one prefix: 26380
Transit ASes present in the Internet Routing Table: 10731
Transit-only ASes present in the Internet Routing Table: 536
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: 1128
Number of instances of unregistered ASNs: 1131
Number of 32-bit ASNs allocated by the RIRs: 46291
Number of 32-bit ASNs visible in the Routing Table: 38245
Prefixes from 32-bit ASNs in the Routing Table: 212599
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: 476
Number of addresses announced to Internet: 3107903717
Equivalent to 185 /8s, 62 /16s and 216 /24s
Percentage of available address space announced: 83.9
Percentage of allocated address space announced: 83.9
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: 349581
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265013
Total APNIC prefixes after maximum aggregation: 77261
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 256281
Unique aggregates announced from the APNIC address blocks: 103290
APNIC Region origin ASes present in the Internet Routing Table: 14654
APNIC Prefixes per ASN: 17.49
APNIC Region origin ASes announcing only one prefix: 4457
APNIC Region transit ASes present in the Internet Routing Table: 1945
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: 10143
Number of APNIC addresses announced to Internet: 749452608
Equivalent to 44 /8s, 171 /16s and 189 /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: 297054
Total ARIN prefixes after maximum aggregation: 131075
ARIN Deaggregation factor: 2.27
Prefixes being announced from the ARIN address blocks: 297841
Unique aggregates announced from the ARIN address blocks: 138481
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: 7025
ARIN Region transit ASes present in the Internet Routing Table: 1909
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: 5203
Number of ARIN addresses announced to Internet: 1349091584
Equivalent to 80 /8s, 105 /16s and 129 /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: 290692
Total RIPE prefixes after maximum aggregation: 135122
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288230
Unique aggregates announced from the RIPE address blocks: 174195
RIPE Region origin ASes present in the Internet Routing Table: 28977
RIPE Prefixes per ASN: 9.95
RIPE Region origin ASes announcing only one prefix: 12029
RIPE Region transit ASes present in the Internet Routing Table: 3878
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: 12438
Number of RIPE addresses announced to Internet: 731957029
Equivalent to 43 /8s, 160 /16s and 199 /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: 138954
Total LACNIC prefixes after maximum aggregation: 29598
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 135649
Unique aggregates announced from the LACNIC address blocks: 48897
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: 2223
LACNIC Region transit ASes present in the Internet Routing Table: 2460
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: 171835264
Equivalent to 10 /8s, 61 /16s and 255 /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: 39325
Total AfriNIC prefixes after maximum aggregation: 6880
AfriNIC Deaggregation factor: 5.72
Prefixes being announced from the AfriNIC address blocks: 53687
Unique aggregates announced from the AfriNIC address blocks: 14436
AfriNIC Region origin ASes present in the Internet Routing Table: 1921
AfriNIC Prefixes per ASN: 27.95
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: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1288
Number of AfriNIC addresses announced to Internet: 105341952
Equivalent to 6 /8s, 71 /16s and 100 /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 6216 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4872 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4333 531 281 BBIL-AP BHARTI Airtel Ltd., IN
18403 4258 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3920 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3677 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3280 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2862 851 540 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 13249 39703 4094 AMAZON-02, US
174 5637 8756 926 COGENT-174, US
11492 4701 312 586 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3406 3050 182 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
16625 3119 1311 2257 AKAMAI-AS, US
396982 2967 3651 475 GOOGLE-CLOUD-PLATFORM, US
36352 2734 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 9747 1294 1095 TTNET, TR
12479 7721 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4073 3396 140 AKAMAI-ASN1, NL
9009 3801 329 1982 M247, RO
12389 3074 2303 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2411 363 577 TELLCOM-AS, TR
212238 2112 150 1550 CDNEXT, GB
8452 1936 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 12271 3262 697 UNINET, MX
10620 3516 485 994 Telmex Colombia S.A., CO
13999 2508 539 364 Mega Cable, S.A. de C.V., MX
11830 1990 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 1189 371 21 Telefonica del Peru S.A.A., PE
28202 1129 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1095 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1057 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 1684 563 29 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 1434 1518 283 ETISALAT-MISR, EG
20011 1295 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
37069 932 1099 15 MOBINIL, EG
36935 898 520 43 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 13249 39703 4094 AMAZON-02, US
8151 12271 3262 697 UNINET, MX
9808 10458 8754 95 CHINAMOBILE-CN China Mobile Communication
47331 9747 1294 1095 TTNET, TR
12479 7721 1714 145 UNI2-AS, ES
7545 6216 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5637 8756 926 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 12271 11574 UNINET, MX
9808 10458 10363 CHINAMOBILE-CN China Mobile Communications Grou
47331 9747 8652 TTNET, TR
12479 7721 7576 UNI2-AS, ES
7545 6216 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 5637 4711 COGENT-174, US
18403 4258 4233 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 /12:300
/13:583 /14:1233 /15:2195 /16:14029 /17:8458 /18:14235
/19:25347 /20:45838 /21:54477 /22:115515 /23:109750 /24:636789
/25:583 /26:582 /27:1059 /28:66 /29:105 /30:20
/31:2 /32:833
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8828 9747 TTNET, TR
12479 6642 7721 UNI2-AS, ES
8151 6421 12271 UNINET, MX
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 3406 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2358 13249 AMAZON-02, US
30036 2225 2565 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2377 2:1546 3:624 4:25 5:4971 6:163
7:6 8:1648 9:1 10:1 11:172 12:1376
13:351 14:2554 15:354 16:282 17:369 18:920
20:523 21:4 22:188 23:7575 24:2900 25:2
27:2803 29:19 31:3308 32:51 34:84 35:212
36:2512 37:4800 38:10392 39:908 40:166 41:4780
42:1922 43:2617 44:378 45:20086 46:5107 47:297
49:1948 50:1910 51:588 52:1583 54:298 55:1071
56:11 57:265 58:2290 59:1435 60:1171 61:3026
62:3050 63:1853 64:5538 65:2225 66:4730 67:3120
68:1147 69:4015 70:1082 71:632 72:2936 74:2825
75:1627 76:618 77:2843 78:4356 79:1776 80:2239
81:2233 82:3230 83:1469 84:1869 85:4391 86:1054
87:2433 88:3543 89:4498 90:787 91:8460 92:2737
93:2919 94:4149 95:5618 96:1466 97:322 98:998
99:669 100:72 101:1422 102:4416 103:32525 104:4853
105:2227 106:1045 107:2638 108:1228 109:4135 110:2244
111:3375 112:2071 113:1827 114:1981 115:2261 116:2096
117:2741 118:2911 119:1974 120:1912 121:1440 122:2781
123:2415 124:1686 125:2898 126:91 128:1614 129:1036
130:1339 131:2071 132:878 133:451 134:1544 135:377
136:1310 137:1179 138:3246 139:1625 140:1586 141:1498
142:1949 143:1783 144:1092 145:521 146:2181 147:2102
148:2682 149:2968 150:1260 151:1764 152:2125 153:571
154:8638 155:1660 156:3387 157:1915 158:1296 159:2445
160:3704 161:1933 162:3773 163:2106 164:1762 165:2241
166:1450 167:1914 168:4377 169:822 170:5529 171:1012
172:4512 173:3279 174:910 175:1309 176:3807 177:6139
178:3871 179:2999 180:2674 181:4225 182:3395 183:2055
184:2150 185:21852 186:5795 187:5080 188:4340 189:4659
190:9967 191:2066 192:11312 193:9522 194:7898 195:5689
196:3685 197:3975 198:6246 199:8515 200:8775 201:6554
202:10859 203:10744 204:4574 205:3671 206:4681 207:3584
208:4267 209:5276 210:4894 211:2637 212:4717 213:3907
214:1029 215:48 216:6710 217:3213 218:1390 219:550
220:2092 221:1059 222:856 223:2368
End of report
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