[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Jul 22 22:10:39 UTC 2023
IPv4 R&E Routing Table Report 22:10 GMT Sat 22 Jul, 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: 25235
Prefixes after maximum aggregation (per Origin AS): 12381
Deaggregation factor: 2.04
Unique aggregates announced (without unneeded subnets): 14002
Number of IPv4 prefixes with a valid ROA: 11553
Number of IPv4 prefixes with an invalid ROA: 191
Number of IPv4 prefixes with no ROA: 13491
Total ASes present in the Internet Routing Table: 2733
Prefixes per ASN: 9.23
Origin-only ASes present in the Internet Routing Table: 2349
Origin ASes announcing only one prefix: 1030
Transit ASes present in the Internet Routing Table: 384
Transit-only ASes present in the Internet Routing Table: 71
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: 4
Number of instances of unregistered ASNs: 4
Number of 32-bit ASNs allocated by the RIRs: 42285
Number of 32-bit ASNs visible in the Routing Table: 627
Prefixes from 32-bit ASNs in the Routing Table: 4614
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: 243306464
Equivalent to 14 /8s, 128 /16s and 143 /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: 3375
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4652
Total APNIC prefixes after maximum aggregation: 2255
APNIC Deaggregation factor: 2.06
Prefixes being announced from the APNIC address blocks: 4697
Unique aggregates announced from the APNIC address blocks: 2628
APNIC Region origin ASes present in the Internet Routing Table: 540
APNIC Prefixes per ASN: 8.70
APNIC Region origin ASes announcing only one prefix: 224
APNIC Region transit ASes present in the Internet Routing Table: 59
Average APNIC Region AS path length visible: 5.6
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 203
Number of APNIC addresses announced to Internet: 45776192
Equivalent to 2 /8s, 186 /16s and 125 /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: 14317
Total ARIN prefixes after maximum aggregation: 6397
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 14103
Unique aggregates announced from the ARIN address blocks: 7166
ARIN Region origin ASes present in the Internet Routing Table: 1222
ARIN Prefixes per ASN: 11.54
ARIN Region origin ASes announcing only one prefix: 422
ARIN Region transit ASes present in the Internet Routing Table: 163
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: 189
Number of ARIN addresses announced to Internet: 132628001
Equivalent to 7 /8s, 231 /16s and 190 /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: 3615
Total RIPE prefixes after maximum aggregation: 2869
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3777
Unique aggregates announced from the RIPE address blocks: 3096
RIPE Region origin ASes present in the Internet Routing Table: 683
RIPE Prefixes per ASN: 5.53
RIPE Region origin ASes announcing only one prefix: 302
RIPE Region transit ASes present in the Internet Routing Table: 106
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 142
Number of RIPE addresses announced to Internet: 57997056
Equivalent to 3 /8s, 116 /16s and 247 /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: 1562
Total LACNIC prefixes after maximum aggregation: 684
LACNIC Deaggregation factor: 2.28
Prefixes being announced from the LACNIC address blocks: 1568
Unique aggregates announced from the LACNIC address blocks: 882
LACNIC Region origin ASes present in the Internet Routing Table: 163
LACNIC Prefixes per ASN: 9.62
LACNIC Region origin ASes announcing only one prefix: 56
LACNIC Region transit ASes present in the Internet Routing Table: 28
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: 4241791
Equivalent to 0 /8s, 64 /16s and 185 /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: 1085
Total AfriNIC prefixes after maximum aggregation: 172
AfriNIC Deaggregation factor: 6.31
Prefixes being announced from the AfriNIC address blocks: 1084
Unique aggregates announced from the AfriNIC address blocks: 224
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 21.25
AfriNIC Region origin ASes announcing only one prefix: 26
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27
Number of AfriNIC addresses announced to Internet: 2661632
Equivalent to 0 /8s, 40 /16s and 157 /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 608 2147 466 SINET-AS Research Organization of Infor
7497 434 180 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 122 18 14 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 2677 3595 383 GOOGLE-CLOUD-PLATFORM, US
16509 2139 1686 844 AMAZON-02, US
15169 826 2253 62 GOOGLE, US
14618 793 4013 591 AMAZON-AES, US
376 201 178 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
36492 157 11 35 GOOGLEWIFI, US
2152 142 507 92 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
81 128 521 31 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
680 283 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
559 111 533 103 SWITCH Peering requests: peering at switch
1103 94 1502 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 81 676 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 259 176 42 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
27947 124 0 94 Telconet S.A, EC
11340 114 25 51 Red Universitaria Nacional, CL
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 48 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
3596 35 4 3 Universidad Autonoma Metropolitana, MX
263683 35 10 23 Universidad de Costa Rica, CR
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 370 319 72 TENET-1, ZA
36914 260 82 3 KENET-AS, KE
327687 161 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 43 16 1 MoRENet, MZ
37215 37 8 1 MAREN, MW
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
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 2677 3595 383 GOOGLE-CLOUD-PLATFORM, US
16509 2139 1686 844 AMAZON-02, US
15169 826 2253 62 GOOGLE, US
14618 793 4013 591 AMAZON-AES, US
2907 608 2147 466 SINET-AS Research Organization of Infor
7497 434 180 23 CSTNET-AS-AP Computer Network Informati
2018 370 319 72 TENET-1, ZA
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
36914 260 82 3 KENET-AS, KE
1916 259 176 42 Rede Nacional de Ensino e Pesquisa, BR
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 2139 1295 AMAZON-02, US
15169 826 764 GOOGLE, US
7497 434 411 CSTNET-AS-AP Computer Network Information Cente
2018 370 298 TENET-1, ZA
36914 260 257 KENET-AS, KE
1916 259 217 Rede Nacional de Ensino e Pesquisa, BR
14618 793 202 AMAZON-AES, US
5786 197 196 UPRENET, PR
58647 178 176 KAGAWAU-AS Kagawa University, JP
8895 163 158 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
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
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 /12:20
/13:34 /14:81 /15:161 /16:2083 /17:502 /18:478
/19:728 /20:2775 /21:1021 /22:1633 /23:1710 /24:13562
/25:94 /26:73 /27:79 /28:21 /29:84 /30:41
/31:35 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 295 2139 AMAZON-02, US
15169 274 826 GOOGLE, US
14618 257 793 AMAZON-AES, US
36914 248 260 KENET-AS, KE
396982 195 2677 GOOGLE-CLOUD-PLATFORM, US
8895 158 163 ISU Internet Services Unit ISU, SA
27947 97 124 Telconet S.A, EC
32440 79 108 LONI, US
23024 52 113 OCDE, US
1916 39 259 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 3:78 5:20 8:28 12:1 13:45
14:89 15:69 16:112 18:57 23:114 24:3
31:10 34:20 35:47 38:9 40:1 41:147
42:10 43:1 44:8 45:58 46:11 47:1
49:9 50:2 52:558 54:228 58:1 59:19
60:4 61:3 62:11 63:36 64:167 65:13
66:66 67:60 68:10 69:36 70:44 71:3
72:13 74:143 76:46 77:11 78:3 79:10
80:14 81:26 82:7 83:6 84:10 85:45
86:10 87:2 88:1 89:17 91:56 92:4
93:4 94:4 95:2 96:7 97:1 98:11
99:47 101:3 102:31 103:281 104:213 107:33
108:102 109:12 111:16 114:31 115:1 116:8
117:61 118:32 119:18 121:28 122:8 123:8
124:38 125:4 128:87 129:46 130:142 131:56
132:60 133:155 134:105 135:3 136:294 137:145
138:12 139:17 140:36 141:4 142:275 143:21
144:39 145:3 146:144 147:66 148:201 149:16
150:43 151:14 152:138 153:14 154:31 155:73
156:69 157:28 158:43 159:148 160:27 161:36
162:86 163:83 164:20 165:50 166:1 167:22
168:149 169:12 170:118 171:1 172:114 173:111
174:2 175:27 176:11 177:5 178:1 179:9
180:15 182:1 184:3 185:101 186:3 187:18
188:19 189:3 190:5 191:13 192:1469 193:308
194:125 195:85 196:201 197:166 198:487 199:306
200:278 201:36 202:633 203:431 204:368 205:146
206:203 207:189 208:129 209:162 210:185 211:3
212:166 213:15 216:166 217:12 218:22 219:6
220:16 222:2 223:14
End of report
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