[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Apr 3 22:10:41 UTC 2024
IPv4 R&E Routing Table Report 22:10 GMT Wed 03 Apr, 2024
IPv4 BGP Table (R&E) as seen at CEDIA.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/CEDIA/
Analysis Summary
----------------
BGP routing table entries examined: 25351
Prefixes after maximum aggregation (per Origin AS): 12669
Deaggregation factor: 2.00
Unique aggregates announced (without unneeded subnets): 14338
Number of IPv4 prefixes with a valid ROA: 12334
Number of IPv4 prefixes with an invalid ROA: 168
Number of IPv4 prefixes with no ROA: 12849
Total ASes present in the Internet Routing Table: 2787
Prefixes per ASN: 9.10
Origin-only ASes present in the Internet Routing Table: 2408
Origin ASes announcing only one prefix: 1068
Transit ASes present in the Internet Routing Table: 379
Transit-only ASes present in the Internet Routing Table: 68
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 17
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 11
Number of instances of unregistered ASNs: 11
Number of 32-bit ASNs allocated by the RIRs: 43987
Number of 32-bit ASNs visible in the Routing Table: 677
Prefixes from 32-bit ASNs in the Routing Table: 4710
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 3
Number of addresses announced to Internet: 240116622
Equivalent to 14 /8s, 79 /16s and 227 /24s
Percentage of available address space announced: 6.5
Percentage of allocated address space announced: 6.5
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: 3265
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4775
Total APNIC prefixes after maximum aggregation: 2334
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4829
Unique aggregates announced from the APNIC address blocks: 2719
APNIC Region origin ASes present in the Internet Routing Table: 587
APNIC Prefixes per ASN: 8.23
APNIC Region origin ASes announcing only one prefix: 248
APNIC Region transit ASes present in the Internet Routing Table: 61
Average APNIC Region AS path length visible: 6.0
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 231
Number of APNIC addresses announced to Internet: 45754432
Equivalent to 2 /8s, 186 /16s and 40 /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, 131072-153913
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: 14648
Total ARIN prefixes after maximum aggregation: 6622
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 14424
Unique aggregates announced from the ARIN address blocks: 7423
ARIN Region origin ASes present in the Internet Routing Table: 1241
ARIN Prefixes per ASN: 11.62
ARIN Region origin ASes announcing only one prefix: 432
ARIN Region transit ASes present in the Internet Routing Table: 162
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 204
Number of ARIN addresses announced to Internet: 129786817
Equivalent to 7 /8s, 188 /16s and 99 /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, 393216-401308
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, 47/8, 48/8, 50/8, 52/8, 53/8,
54/8, 55/8, 56/8, 57/8, 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: 3604
Total RIPE prefixes after maximum aggregation: 2876
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3774
Unique aggregates announced from the RIPE address blocks: 3128
RIPE Region origin ASes present in the Internet Routing Table: 682
RIPE Prefixes per ASN: 5.53
RIPE Region origin ASes announcing only one prefix: 309
RIPE Region transit ASes present in the Internet Routing Table: 103
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 17
Number of RIPE region 32-bit ASNs visible in the Routing Table: 151
Number of RIPE addresses announced to Internet: 57737616
Equivalent to 3 /8s, 113 /16s and 1 /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,
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: 1494
Total LACNIC prefixes after maximum aggregation: 654
LACNIC Deaggregation factor: 2.28
Prefixes being announced from the LACNIC address blocks: 1500
Unique aggregates announced from the LACNIC address blocks: 841
LACNIC Region origin ASes present in the Internet Routing Table: 157
LACNIC Prefixes per ASN: 9.55
LACNIC Region origin ASes announcing only one prefix: 50
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 63
Number of LACNIC addresses announced to Internet: 4287741
Equivalent to 0 /8s, 65 /16s and 108 /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: 819
Total AfriNIC prefixes after maximum aggregation: 174
AfriNIC Deaggregation factor: 4.71
Prefixes being announced from the AfriNIC address blocks: 821
Unique aggregates announced from the AfriNIC address blocks: 224
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 16.42
AfriNIC Region origin ASes announcing only one prefix: 29
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 2549248
Equivalent to 0 /8s, 38 /16s and 230 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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
2907 601 2162 465 SINET-AS Research Organization of Infor
7497 441 180 24 CSTNET-AS-AP Computer Network Informati
1237 191 74 142 KREONET-AS-KR KISTI, KR
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Re
55824 130 19 19 NKN-CORE-NW NKN Core Network, IN
4538 129 4192 72 ERX-CERNET-BKB China Education and Rese
4762 71 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2763 3641 412 GOOGLE-CLOUD-PLATFORM, US
16509 2163 1676 929 AMAZON-02, US
14618 889 4164 672 AMAZON-AES, US
15169 835 1997 61 GOOGLE, US
376 201 162 151 RISQ-AS, CA
5786 195 16 1 UPRENET, PR
36492 165 12 38 GOOGLEWIFI, US
2152 144 507 93 CSUNET-NW, US
18558 140 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 284 1899 250 DFN Verein zur Foerderung eines Deutsch
786 186 1767 183 JANET Jisc Services Limited, GB
8895 160 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch
1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 27 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
553 78 462 78 BELWUE BelWue-Koordination, DE
3267 77 44 68 RUNNET, RU
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 158 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
27947 120 0 89 Telconet S.A, EC
11340 117 25 54 Red Universitaria Nacional, CL
271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 49 16 2 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo
28614 38 2 2 Fundacao Universidade Regional de Blume
3596 36 4 3 Universidad Autonoma Metropolitana, MX
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 380 319 71 TENET-1, ZA
36914 204 82 3 KENET-AS, KE
8094 47 48 18 PUKNET, ZA
327700 45 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 12 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
37654 10 1 6 RwEdNet-AS, RW
37215 9 8 1 MAREN, MW
36982 8 33 8 UCT, ZA
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2763 3641 412 GOOGLE-CLOUD-PLATFORM, US
16509 2163 1676 929 AMAZON-02, US
14618 889 4164 672 AMAZON-AES, US
15169 835 1997 61 GOOGLE, US
2907 601 2162 465 SINET-AS Research Organization of Infor
7497 441 180 24 CSTNET-AS-AP Computer Network Informati
2018 380 319 71 TENET-1, ZA
680 284 1899 250 DFN Verein zur Foerderung eines Deutsch
36914 204 82 3 KENET-AS, KE
376 201 162 151 RISQ-AS, CA
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
16509 2163 1234 AMAZON-02, US
15169 835 774 GOOGLE, US
7497 441 417 CSTNET-AS-AP Computer Network Information Cente
2018 380 309 TENET-1, ZA
14618 889 217 AMAZON-AES, US
36914 204 201 KENET-AS, KE
5786 195 194 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
8895 160 155 ISU Internet Services Unit ISU, SA
2907 601 136 SINET-AS Research Organization of Information a
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
11570 UNALLOCATED 192.94.216.0/24 40498 ABQG, US
11570 UNALLOCATED 192.207.226.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.106.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.107.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.108.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.188.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.189.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.190.0/24 40498 ABQG, US
11570 UNALLOCATED 204.134.85.0/24 40498 ABQG, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
170.39.88.0/24 Origin: 14618 AMAZON-AES, US
170.39.88.0/24 Transit: 16509 AMAZON-02, US
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:0 /9:1 /10:1 /11:4 /12:19
/13:35 /14:81 /15:160 /16:2103 /17:509 /18:500
/19:731 /20:2792 /21:1047 /22:1692 /23:1746 /24:13552
/25:76 /26:50 /27:73 /28:22 /29:81 /30:33
/31:38 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 323 2163 AMAZON-02, US
14618 293 889 AMAZON-AES, US
15169 275 835 GOOGLE, US
396982 213 2763 GOOGLE-CLOUD-PLATFORM, US
36914 191 204 KENET-AS, KE
8895 155 160 ISU Internet Services Unit ISU, SA
27947 95 120 Telconet S.A, EC
32440 87 119 LONI, US
23024 51 108 OCDE, US
327700 39 45 MoRENet, MZ
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 3:85 5:21 8:28 12:1 13:45
14:90 15:71 16:112 18:66 23:111 24:3
31:3 34:25 35:51 38:9 40:5 41:122
42:10 43:2 44:8 45:59 46:11 47:1
49:9 50:3 52:551 54:163 59:19 60:6
61:3 62:9 63:36 64:158 65:13 66:81
67:65 68:14 69:40 70:44 71:3 72:11
74:146 75:1 76:47 77:13 78:3 79:10
80:13 81:25 82:6 83:7 84:10 85:34
86:4 87:4 88:1 89:20 91:58 92:5
93:4 94:2 95:2 96:7 97:1 98:11
99:47 101:3 102:11 103:352 104:226 107:34
108:105 109:10 111:16 114:32 115:1 116:10
117:61 118:33 119:20 121:27 122:8 123:8
124:42 125:5 128:85 129:41 130:138 131:65
132:59 133:157 134:110 135:3 136:295 137:77
138:58 139:17 140:40 141:6 142:274 143:24
144:40 145:3 146:145 147:69 148:201 149:18
150:43 151:17 152:138 153:14 154:29 155:75
156:71 157:28 158:42 159:148 160:30 161:27
162:99 163:80 164:24 165:59 166:1 167:19
168:156 169:10 170:149 171:1 172:114 173:116
174:2 175:25 176:10 177:6 178:1 179:10
180:15 182:9 184:3 185:106 186:3 187:17
188:18 189:3 190:2 191:13 192:1508 193:284
194:127 195:72 196:156 197:118 198:482 199:305
200:251 201:34 202:638 203:414 204:369 205:150
206:197 207:171 208:146 209:170 210:205 211:14
212:162 213:16 216:178 217:13 218:22 219:5
220:17 222:2 223:14
End of report
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