[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sun Jul 24 22:10:43 UTC 2022
IPv4 R&E Routing Table Report 22:10 GMT Sun 24 Jul, 2022
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: 22456
Prefixes after maximum aggregation (per Origin AS): 11319
Deaggregation factor: 1.98
Unique aggregates announced (without unneeded subnets): 12578
Number of IPv4 prefixes with a valid ROA: 7956
Number of IPv4 prefixes with an invalid ROA: 183
Number of IPv4 prefixes with no ROA: 14317
Total ASes present in the Internet Routing Table: 2772
Prefixes per ASN: 8.10
Origin-only ASes present in the Internet Routing Table: 2389
Origin ASes announcing only one prefix: 1079
Transit ASes present in the Internet Routing Table: 383
Transit-only ASes present in the Internet Routing Table: 65
Paths with bogon ASNs present in the IPv4 Routing Table: 1
Average AS path length visible in the Internet Routing Table: 4.9
Max AS path length visible: 18
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 7
Number of instances of unregistered ASNs: 7
Number of 32-bit ASNs allocated by the RIRs: 39865
Number of 32-bit ASNs visible in the Routing Table: 642
Prefixes from 32-bit ASNs in the Routing Table: 4285
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 2
Number of addresses announced to Internet: 222212121
Equivalent to 13 /8s, 62 /16s and 176 /24s
Percentage of available address space announced: 6.0
Percentage of allocated address space announced: 6.0
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: 2855
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4733
Total APNIC prefixes after maximum aggregation: 2320
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4768
Unique aggregates announced from the APNIC address blocks: 2655
APNIC Region origin ASes present in the Internet Routing Table: 591
APNIC Prefixes per ASN: 8.07
APNIC Region origin ASes announcing only one prefix: 259
APNIC Region transit ASes present in the Internet Routing Table: 70
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 236
Number of APNIC addresses announced to Internet: 46050112
Equivalent to 2 /8s, 190 /16s and 171 /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, 131072-151865
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: 11622
Total ARIN prefixes after maximum aggregation: 5237
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 11521
Unique aggregates announced from the ARIN address blocks: 5777
ARIN Region origin ASes present in the Internet Routing Table: 1214
ARIN Prefixes per ASN: 9.49
ARIN Region origin ASes announcing only one prefix: 424
ARIN Region transit ASes present in the Internet Routing Table: 160
Average ARIN Region AS path length visible: 4.7
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 178
Number of ARIN addresses announced to Internet: 111193969
Equivalent to 6 /8s, 160 /16s and 175 /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: 3622
Total RIPE prefixes after maximum aggregation: 2892
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3687
Unique aggregates announced from the RIPE address blocks: 3001
RIPE Region origin ASes present in the Internet Routing Table: 686
RIPE Prefixes per ASN: 5.37
RIPE Region origin ASes announcing only one prefix: 311
RIPE Region transit ASes present in the Internet Routing Table: 101
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 138
Number of RIPE addresses announced to Internet: 58052352
Equivalent to 3 /8s, 117 /16s and 207 /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
196608-213403
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: 1528
Total LACNIC prefixes after maximum aggregation: 660
LACNIC Deaggregation factor: 2.32
Prefixes being announced from the LACNIC address blocks: 1533
Unique aggregates announced from the LACNIC address blocks: 851
LACNIC Region origin ASes present in the Internet Routing Table: 159
LACNIC Prefixes per ASN: 9.64
LACNIC Region origin ASes announcing only one prefix: 59
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 4.6
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: 4251752
Equivalent to 0 /8s, 64 /16s and 224 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 944
Total AfriNIC prefixes after maximum aggregation: 203
AfriNIC Deaggregation factor: 4.65
Prefixes being announced from the AfriNIC address blocks: 945
Unique aggregates announced from the AfriNIC address blocks: 292
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 18.53
AfriNIC Region origin ASes announcing only one prefix: 26
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27
Number of AfriNIC addresses announced to Internet: 2663424
Equivalent to 0 /8s, 40 /16s and 164 /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 621 2140 456 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
1237 188 74 134 KREONET-AS-KR KISTI, KR
7575 176 330 122 AARNET-AS-AP Australian Academic and Re
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
4538 128 4192 73 ERX-CERNET-BKB China Education and Rese
55824 116 18 11 NKN-CORE-NW NKN Core Network, IN
4621 77 37 10 UNINET-AS-AP UNINET-, TH
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
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 2514 3360 360 GOOGLE-CLOUD-PLATFORM, US
15169 740 3278 67 GOOGLE, US
16509 434 279 224 AMAZON-02, US
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
36492 157 11 47 GOOGLEWIFI, US
2152 155 507 91 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
270 120 329 85 AS270, US
23024 114 7 17 OCDE, 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
680 283 1951 250 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 179 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 98 1520 86 SURFNET-NL SURFnet, The Netherlands, NL
2614 96 27 76 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
2200 64 599 59 FR-RENATER Reseau National de telecommu
1930 58 81 53 RCCN Fundacao para a Ciencia e a Tecnol
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 176 208 45 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
27947 118 0 88 Telconet S.A, EC
11340 107 25 52 Red Universitaria Nacional, CL
2715 59 102 39 Fundacao Carlos Chagas Filho de Amparo
1251 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
4270 43 16 1 Red de Interconexion Universitaria, AR
28571 41 40 18 UNIVERSIDADE DE SAO PAULO, BR
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28614 37 2 2 Fundacao Universidade Regional de Blume
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 377 319 73 TENET-1, ZA
36914 226 82 3 KENET-AS, KE
2561 67 4 32 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 37 28 3 RENU, UG
327700 33 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 19 8 1 TERNET, TZ
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, 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 2514 3360 360 GOOGLE-CLOUD-PLATFORM, US
15169 740 3278 67 GOOGLE, US
2907 621 2140 456 SINET-AS Research Organization of Infor
16509 434 279 224 AMAZON-02, US
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
2018 377 319 73 TENET-1, ZA
680 283 1951 250 DFN Verein zur Foerderung eines Deutsch
36914 226 82 3 KENET-AS, KE
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
15169 740 673 GOOGLE, US
7497 432 408 CSTNET-AS-AP Computer Network Information Cente
2018 377 304 TENET-1, ZA
36914 226 223 KENET-AS, KE
16509 434 210 AMAZON-02, US
5786 200 199 UPRENET, PR
8895 179 175 ISU Internet Services Unit ISU, SA
58647 175 173 KAGAWAU-AS Kagawa University, JP
2907 621 165 SINET-AS Research Organization of Information a
1916 176 131 Rede Nacional de Ensino e Pesquisa, BR
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
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US
64507 DOCUMENT 170.79.91.8/29 27817 Red Nacional Academica de Te
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, 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 /10:2 /11:3 /12:15
/13:28 /14:62 /15:149 /16:2061 /17:458 /18:463
/19:678 /20:2732 /21:951 /22:1476 /23:1601 /24:11332
/25:90 /26:57 /27:86 /28:24 /29:84 /30:33
/31:26 /32:44
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
15169 274 740 GOOGLE, US
36914 213 226 KENET-AS, KE
8895 174 179 ISU Internet Services Unit ISU, SA
396982 161 2514 GOOGLE-CLOUD-PLATFORM, US
27947 100 118 Telconet S.A, EC
16509 90 434 AMAZON-02, US
32440 73 88 LONI, US
23024 53 114 OCDE, US
36492 36 157 GOOGLEWIFI, US
46115 32 35 LUTHER, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 3:21 5:15 8:28 12:1 13:36
14:86 15:23 16:3 18:48 23:94 24:3
31:10 34:7 35:43 37:6 38:9 40:1
41:126 42:10 44:5 45:33 46:10 47:1
49:10 50:1 52:13 54:10 58:1 59:20
60:4 61:3 62:8 63:36 64:90 65:3
66:48 67:45 68:8 69:19 70:18 71:2
72:9 74:120 76:36 77:9 78:3 79:10
80:18 81:28 82:7 83:6 84:5 85:45
86:6 87:1 88:1 89:15 91:53 92:2
93:10 94:4 95:4 96:5 97:1 98:2
99:26 101:7 102:14 103:339 104:179 107:32
108:89 109:11 110:4 111:16 114:29 116:6
117:61 118:32 119:24 121:27 122:8 123:8
124:39 125:4 128:86 129:38 130:95 131:67
132:56 133:145 134:97 135:8 136:277 137:76
138:9 139:8 140:37 141:2 142:153 143:29
144:29 145:8 146:139 147:60 148:192 149:13
150:130 151:6 152:80 153:13 154:29 155:51
156:67 157:29 158:45 159:127 160:27 161:26
162:45 163:58 164:17 165:58 166:1 167:17
168:131 169:12 170:65 172:106 173:102 175:31
176:8 177:11 178:1 179:10 180:19 182:4
184:3 185:72 186:3 187:19 188:19 189:3
190:21 191:36 192:1413 193:313 194:126 195:86
196:162 197:132 198:470 199:270 200:215 201:35
202:631 203:430 204:313 205:127 206:199 207:173
208:79 209:143 210:184 211:13 212:175 213:8
216:121 217:19 218:22 219:6 220:17 222:5
223:3
End of report
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