[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Aug 10 22:10:42 UTC 2023
IPv4 R&E Routing Table Report 22:10 GMT Thu 10 Aug, 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: 25309
Prefixes after maximum aggregation (per Origin AS): 12429
Deaggregation factor: 2.04
Unique aggregates announced (without unneeded subnets): 14044
Number of IPv4 prefixes with a valid ROA: 11597
Number of IPv4 prefixes with an invalid ROA: 195
Number of IPv4 prefixes with no ROA: 13517
Total ASes present in the Internet Routing Table: 2736
Prefixes per ASN: 9.25
Origin-only ASes present in the Internet Routing Table: 2348
Origin ASes announcing only one prefix: 1032
Transit ASes present in the Internet Routing Table: 388
Transit-only ASes present in the Internet Routing Table: 75
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: 16
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: 42397
Number of 32-bit ASNs visible in the Routing Table: 629
Prefixes from 32-bit ASNs in the Routing Table: 4662
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: 6
Number of addresses announced to Internet: 242075944
Equivalent to 14 /8s, 109 /16s and 201 /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: 3351
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4656
Total APNIC prefixes after maximum aggregation: 2273
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4700
Unique aggregates announced from the APNIC address blocks: 2629
APNIC Region origin ASes present in the Internet Routing Table: 537
APNIC Prefixes per ASN: 8.75
APNIC Region origin ASes announcing only one prefix: 223
APNIC Region transit ASes present in the Internet Routing Table: 59
Average APNIC Region AS path length visible: 5.8
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 202
Number of APNIC addresses announced to Internet: 45702208
Equivalent to 2 /8s, 185 /16s and 92 /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: 14342
Total ARIN prefixes after maximum aggregation: 6422
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 14131
Unique aggregates announced from the ARIN address blocks: 7189
ARIN Region origin ASes present in the Internet Routing Table: 1224
ARIN Prefixes per ASN: 11.54
ARIN Region origin ASes announcing only one prefix: 424
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: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 190
Number of ARIN addresses announced to Internet: 131520545
Equivalent to 7 /8s, 214 /16s and 216 /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: 3621
Total RIPE prefixes after maximum aggregation: 2864
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3783
Unique aggregates announced from the RIPE address blocks: 3104
RIPE Region origin ASes present in the Internet Routing Table: 683
RIPE Prefixes per ASN: 5.54
RIPE Region origin ASes announcing only one prefix: 304
RIPE Region transit ASes present in the Internet Routing Table: 105
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 144
Number of RIPE addresses announced to Internet: 57937408
Equivalent to 3 /8s, 116 /16s and 14 /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: 1635
Total LACNIC prefixes after maximum aggregation: 695
LACNIC Deaggregation factor: 2.35
Prefixes being announced from the LACNIC address blocks: 1639
Unique aggregates announced from the LACNIC address blocks: 893
LACNIC Region origin ASes present in the Internet Routing Table: 163
LACNIC Prefixes per ASN: 10.06
LACNIC Region origin ASes announcing only one prefix: 56
LACNIC Region transit ASes present in the Internet Routing Table: 29
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 66
Number of LACNIC addresses announced to Internet: 4252871
Equivalent to 0 /8s, 64 /16s and 228 /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: 1050
Total AfriNIC prefixes after maximum aggregation: 170
AfriNIC Deaggregation factor: 6.18
Prefixes being announced from the AfriNIC address blocks: 1050
Unique aggregates announced from the AfriNIC address blocks: 223
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 21.00
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27
Number of AfriNIC addresses announced to Internet: 2660608
Equivalent to 0 /8s, 40 /16s and 153 /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 607 2146 465 SINET-AS Research Organization of Infor
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
1237 194 74 139 KREONET-AS-KR KISTI, KR
58647 178 18 2 KAGAWAU-AS Kagawa University, JP
7575 177 329 120 AARNET-AS-AP Australian Academic and Re
4538 130 4192 73 ERX-CERNET-BKB China Education and Rese
55824 125 18 17 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 61 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 2684 3596 388 GOOGLE-CLOUD-PLATFORM, US
16509 2142 1702 848 AMAZON-02, US
15169 825 1997 61 GOOGLE, US
14618 803 4015 600 AMAZON-AES, US
376 202 178 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
36492 157 11 35 GOOGLEWIFI, US
2152 148 507 92 CSUNET-NW, US
18558 136 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 1903 249 DFN Verein zur Foerderung eines Deutsch
786 186 1767 183 JANET Jisc Services Limited, GB
8895 163 24 5 ISU Internet Services Unit ISU, SA
559 113 533 105 SWITCH Peering requests: peering at switch
1103 94 1502 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 74 465 74 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 260 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
27947 126 0 96 Telconet S.A, EC
11340 115 25 52 Red Universitaria Nacional, CL
271640 73 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 48 16 1 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
28614 38 2 2 Fundacao Universidade Regional de Blume
3596 35 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 371 319 71 TENET-1, ZA
36914 256 82 3 KENET-AS, KE
327687 164 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 39 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
37654 10 1 6 RwEdNet-AS, RW
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 2684 3596 388 GOOGLE-CLOUD-PLATFORM, US
16509 2142 1702 848 AMAZON-02, US
15169 825 1997 61 GOOGLE, US
14618 803 4015 600 AMAZON-AES, US
2907 607 2146 465 SINET-AS Research Organization of Infor
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
2018 371 319 71 TENET-1, ZA
680 284 1903 249 DFN Verein zur Foerderung eines Deutsch
1916 260 176 43 Rede Nacional de Ensino e Pesquisa, BR
36914 256 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 2142 1294 AMAZON-02, US
15169 825 764 GOOGLE, US
7497 435 412 CSTNET-AS-AP Computer Network Information Cente
2018 371 300 TENET-1, ZA
36914 256 253 KENET-AS, KE
1916 260 217 Rede Nacional de Ensino e Pesquisa, BR
14618 803 203 AMAZON-AES, US
5786 197 196 UPRENET, PR
58647 178 176 KAGAWAU-AS Kagawa University, JP
327687 164 161 RENU, UG
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
329301 UNALLOCATED 102.211.140.0/22 36944 UBUNTU-UNICAST-AS, MW
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
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
102.211.140.0/22 Origin: 329301 UNASSIGNED
102.211.140.0/22 Transit: 36944 UBUNTU-UNICAST-AS, MW
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
193.37.39.0/24 Origin: 16509 AMAZON-02, US
193.37.39.0/24 Transit: 27750 Cooperacion Latino Americana de Redes Av
193.84.26.0/24 Origin: 16509 AMAZON-02, US
193.84.26.0/24 Transit: 27750 Cooperacion Latino Americana de Redes Av
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 /10:2 /11:4 /12:19
/13:34 /14:81 /15:161 /16:2085 /17:506 /18:480
/19:729 /20:2773 /21:1018 /22:1647 /23:1708 /24:13618
/25:94 /26:73 /27:80 /28:21 /29:86 /30:41
/31:35 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 297 2142 AMAZON-02, US
15169 274 825 GOOGLE, US
14618 263 803 AMAZON-AES, US
36914 244 256 KENET-AS, KE
396982 198 2684 GOOGLE-CLOUD-PLATFORM, US
8895 158 163 ISU Internet Services Unit ISU, SA
27947 98 126 Telconet S.A, EC
32440 80 109 LONI, US
23024 52 113 OCDE, US
1916 39 260 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 3:74 5:20 8:28 12:1 13:45
14:88 15:69 16:112 18:57 23:111 24:3
31:10 34:20 35:47 38:9 40:1 41:117
42:10 43:1 44:8 45:55 46:11 47:1
49:9 50:2 52:558 54:228 58:1 59:19
60:4 61:3 62:11 63:36 64:162 65:13
66:69 67:60 68:10 69:36 70:44 71:3
72:11 74:143 76:46 77:11 78:3 79:10
80:14 81:26 82:7 83:6 84:10 85:46
86:10 87:2 88:1 89:17 91:57 92:4
93:4 94:4 95:2 96:7 97:1 98:12
99:47 101:3 102:32 103:277 104:217 107:33
108:102 109:12 111:16 114:31 115:1 116:8
117:61 118:32 119:18 121:28 122:8 123:8
124:39 125:4 128:87 129:48 130:142 131:59
132:60 133:155 134:105 135:3 136:294 137:146
138:10 139:17 140:38 141:4 142:275 143:21
144:39 145:3 146:144 147:67 148:200 149:17
150:43 151:14 152:139 153:14 154:31 155:73
156:69 157:23 158:43 159:148 160:29 161:36
162:87 163:85 164:20 165:51 166:1 167:22
168:160 169:12 170:119 171:1 172:114 173:113
174:2 175:27 176:11 177:5 178:1 179:9
180:15 182:1 184:2 185:104 186:3 187:18
188:19 189:3 190:5 191:13 192:1471 193:309
194:121 195:86 196:204 197:161 198:487 199:306
200:332 201:36 202:628 203:430 204:371 205:147
206:204 207:190 208:127 209:164 210:190 211:14
212:170 213:15 216:166 217:12 218:22 219:5
220:16 222:2 223:14
End of report
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