[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Mon Mar 20 22:10:41 UTC 2023
IPv4 R&E Routing Table Report 22:10 GMT Mon 20 Mar, 2023
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: 25054
Prefixes after maximum aggregation (per Origin AS): 12394
Deaggregation factor: 2.02
Unique aggregates announced (without unneeded subnets): 14065
Number of IPv4 prefixes with a valid ROA: 10766
Number of IPv4 prefixes with an invalid ROA: 182
Number of IPv4 prefixes with no ROA: 14106
Total ASes present in the Internet Routing Table: 2774
Prefixes per ASN: 9.03
Origin-only ASes present in the Internet Routing Table: 2389
Origin ASes announcing only one prefix: 1059
Transit ASes present in the Internet Routing Table: 385
Transit-only ASes present in the Internet Routing Table: 66
Paths with bogon ASNs present in the IPv4 Routing Table: 1
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 20
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 5
Number of instances of unregistered ASNs: 5
Number of 32-bit ASNs allocated by the RIRs: 41479
Number of 32-bit ASNs visible in the Routing Table: 648
Prefixes from 32-bit ASNs in the Routing Table: 4463
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: 4
Number of addresses announced to Internet: 243137866
Equivalent to 14 /8s, 125 /16s and 253 /24s
Percentage of available address space announced: 6.6
Percentage of allocated address space announced: 6.6
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: 3333
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4717
Total APNIC prefixes after maximum aggregation: 2312
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4762
Unique aggregates announced from the APNIC address blocks: 2677
APNIC Region origin ASes present in the Internet Routing Table: 578
APNIC Prefixes per ASN: 8.24
APNIC Region origin ASes announcing only one prefix: 249
APNIC Region transit ASes present in the Internet Routing Table: 61
Average APNIC Region AS path length visible: 5.7
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 225
Number of APNIC addresses announced to Internet: 45836096
Equivalent to 2 /8s, 187 /16s and 103 /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: 14098
Total ARIN prefixes after maximum aggregation: 6317
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 13908
Unique aggregates announced from the ARIN address blocks: 7121
ARIN Region origin ASes present in the Internet Routing Table: 1227
ARIN Prefixes per ASN: 11.33
ARIN Region origin ASes announcing only one prefix: 425
ARIN Region transit ASes present in the Internet Routing Table: 164
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 188
Number of ARIN addresses announced to Internet: 132605633
Equivalent to 7 /8s, 231 /16s and 102 /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: 2877
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3766
Unique aggregates announced from the RIPE address blocks: 3086
RIPE Region origin ASes present in the Internet Routing Table: 688
RIPE Prefixes per ASN: 5.47
RIPE Region origin ASes announcing only one prefix: 308
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: 144
Number of RIPE addresses announced to Internet: 58008320
Equivalent to 3 /8s, 117 /16s and 35 /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: 1587
Total LACNIC prefixes after maximum aggregation: 676
LACNIC Deaggregation factor: 2.35
Prefixes being announced from the LACNIC address blocks: 1590
Unique aggregates announced from the LACNIC address blocks: 885
LACNIC Region origin ASes present in the Internet Routing Table: 158
LACNIC Prefixes per ASN: 10.06
LACNIC Region origin ASes announcing only one prefix: 52
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 63
Number of LACNIC addresses announced to Internet: 4029001
Equivalent to 0 /8s, 61 /16s and 122 /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: 1025
Total AfriNIC prefixes after maximum aggregation: 207
AfriNIC Deaggregation factor: 4.95
Prefixes being announced from the AfriNIC address blocks: 1024
Unique aggregates announced from the AfriNIC address blocks: 292
AfriNIC Region origin ASes present in the Internet Routing Table: 53
AfriNIC Prefixes per ASN: 19.32
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 2657536
Equivalent to 0 /8s, 40 /16s and 141 /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 602 2157 464 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
1237 192 74 139 KREONET-AS-KR KISTI, KR
58647 178 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 329 119 AARNET-AS-AP Australian Academic and Re
4538 130 4192 73 ERX-CERNET-BKB China Education and Rese
55824 118 18 11 NKN-CORE-NW NKN Core Network, IN
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol 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 2621 3587 354 GOOGLE-CLOUD-PLATFORM, US
16509 1961 1634 779 AMAZON-02, US
15169 797 2254 63 GOOGLE, US
14618 756 3994 558 AMAZON-AES, US
5786 199 16 1 UPRENET, PR
376 198 178 148 RISQ-AS, CA
2152 153 507 92 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
81 129 521 32 NCREN, US
270 120 329 85 AS270, 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 1919 249 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 177 24 5 ISU Internet Services Unit ISU, SA
559 113 533 105 SWITCH Peering requests: peering at switch
1103 95 1518 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
2200 64 599 59 FR-RENATER Reseau National de telecommu
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 258 208 44 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
27947 115 0 87 Telconet S.A, EC
11340 114 25 50 Red Universitaria Nacional, CL
1251 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 45 16 1 Red de Interconexion Universitaria, AR
28614 38 2 2 Fundacao Universidade Regional de Blume
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28571 37 40 18 UNIVERSIDADE DE SAO PAULO, BR
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 381 319 72 TENET-1, ZA
36914 236 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
327687 62 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
3208 32 2 1 ARN, DZ
37182 32 8 1 TERNET, TZ
327700 31 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
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 2621 3587 354 GOOGLE-CLOUD-PLATFORM, US
16509 1961 1634 779 AMAZON-02, US
15169 797 2254 63 GOOGLE, US
14618 756 3994 558 AMAZON-AES, US
2907 602 2157 464 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
2018 381 319 72 TENET-1, ZA
680 283 1919 249 DFN Verein zur Foerderung eines Deutsch
1916 258 208 44 Rede Nacional de Ensino e Pesquisa, BR
36914 236 82 3 KENET-AS, KE
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 1961 1182 AMAZON-02, US
15169 797 734 GOOGLE, US
7497 435 411 CSTNET-AS-AP Computer Network Information Cente
2018 381 309 TENET-1, ZA
36914 236 233 KENET-AS, KE
1916 258 214 Rede Nacional de Ensino e Pesquisa, BR
14618 756 198 AMAZON-AES, US
5786 199 198 UPRENET, PR
58647 178 176 KAGAWAU-AS Kagawa University, JP
8895 177 172 ISU Internet Services Unit ISU, SA
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
18621 UNALLOCATED 142.156.0.0/16 26677 ORION-ASN, CA
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
64507 DOCUMENT 170.79.91.8/29 27817 Red Nacional Academica de Te
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
102.36.194.0/23 Origin: 2018 TENET-1, ZA
102.36.194.0/23 Transit: 27750 Cooperacion Latino Americana de Redes Av
192.31.196.0/24 Origin: 112 UNASSIGNED
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
216.169.147.0/24 Origin: 14618 AMAZON-AES, US
216.169.147.0/24 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 /10:2 /11:4 /12:20
/13:34 /14:81 /15:160 /16:2091 /17:486 /18:475
/19:713 /20:2783 /21:1016 /22:1631 /23:1702 /24:13406
/25:95 /26:71 /27:99 /28:27 /29:78 /30:39
/31:30 /32:10
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 283 1961 AMAZON-02, US
15169 272 797 GOOGLE, US
14618 247 756 AMAZON-AES, US
36914 224 236 KENET-AS, KE
396982 181 2621 GOOGLE-CLOUD-PLATFORM, US
8895 172 177 ISU Internet Services Unit ISU, SA
27947 92 115 Telconet S.A, EC
32440 80 107 LONI, US
23024 52 113 OCDE, US
1916 38 258 Rede Nacional de Ensino e Pesquisa, BR
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 3:66 5:17 8:28 12:1 13:44
14:89 15:66 16:29 18:48 23:116 24:3
31:10 34:10 35:48 37:1 38:9 40:1
41:136 42:10 44:7 45:48 46:10 47:1
49:6 50:1 52:555 54:229 58:1 59:20
60:4 61:3 62:12 63:36 64:162 65:13
66:65 67:60 68:10 69:34 70:43 71:3
72:14 74:146 76:47 77:11 78:3 79:10
80:17 81:28 82:7 83:6 84:9 85:47
86:5 87:2 88:1 89:17 91:54 92:3
93:4 94:4 95:2 96:7 97:1 98:11
99:47 101:7 102:16 103:321 104:205 107:33
108:98 109:13 110:2 111:16 114:31 115:1
116:8 117:61 118:32 119:21 121:28 122:8
123:8 124:39 125:4 128:86 129:45 130:142
131:61 132:49 133:157 134:98 135:4 136:282
137:106 138:10 139:18 140:38 141:4 142:248
143:27 144:39 145:2 146:144 147:65 148:201
149:16 150:130 151:12 152:146 153:14 154:30
155:65 156:68 157:35 158:40 159:148 160:27
161:32 162:63 163:80 164:20 165:54 166:1
167:23 168:161 169:14 170:108 171:1 172:113
173:111 174:2 175:31 176:11 177:9 178:1
179:9 180:15 182:1 184:3 185:90 186:3
187:19 188:19 189:3 190:5 191:36 192:1461
193:355 194:128 195:88 196:169 197:141 198:492
199:297 200:264 201:36 202:639 203:432 204:363
205:153 206:201 207:180 208:127 209:159 210:186
211:17 212:170 213:15 216:161 217:12 218:22
219:6 220:16 222:5 223:4
End of report
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