[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Thu May 25 22:10:41 UTC 2023
IPv4 R&E Routing Table Report 22:10 GMT Thu 25 May, 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: 25342
Prefixes after maximum aggregation (per Origin AS): 12472
Deaggregation factor: 2.03
Unique aggregates announced (without unneeded subnets): 14206
Number of IPv4 prefixes with a valid ROA: 11113
Number of IPv4 prefixes with an invalid ROA: 191
Number of IPv4 prefixes with no ROA: 14038
Total ASes present in the Internet Routing Table: 2773
Prefixes per ASN: 9.14
Origin-only ASes present in the Internet Routing Table: 2388
Origin ASes announcing only one prefix: 1057
Transit ASes present in the Internet Routing Table: 385
Transit-only ASes present in the Internet Routing Table: 69
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: 41937
Number of 32-bit ASNs visible in the Routing Table: 653
Prefixes from 32-bit ASNs in the Routing Table: 4549
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: 5
Number of addresses announced to Internet: 243159378
Equivalent to 14 /8s, 126 /16s and 81 /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: 3347
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4722
Total APNIC prefixes after maximum aggregation: 2306
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4768
Unique aggregates announced from the APNIC address blocks: 2686
APNIC Region origin ASes present in the Internet Routing Table: 583
APNIC Prefixes per ASN: 8.18
APNIC Region origin ASes announcing only one prefix: 251
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: 226
Number of APNIC addresses announced to Internet: 45900096
Equivalent to 2 /8s, 188 /16s and 97 /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: 14283
Total ARIN prefixes after maximum aggregation: 6374
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 14084
Unique aggregates announced from the ARIN address blocks: 7210
ARIN Region origin ASes present in the Internet Routing Table: 1220
ARIN Prefixes per ASN: 11.54
ARIN Region origin ASes announcing only one prefix: 420
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: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 189
Number of ARIN addresses announced to Internet: 132391073
Equivalent to 7 /8s, 228 /16s and 32 /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: 3653
Total RIPE prefixes after maximum aggregation: 2881
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3803
Unique aggregates announced from the RIPE address blocks: 3104
RIPE Region origin ASes present in the Internet Routing Table: 686
RIPE Prefixes per ASN: 5.54
RIPE Region origin ASes announcing only one prefix: 305
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: 145
Number of RIPE addresses announced to Internet: 58106624
Equivalent to 3 /8s, 118 /16s and 163 /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: 1657
Total LACNIC prefixes after maximum aggregation: 699
LACNIC Deaggregation factor: 2.37
Prefixes being announced from the LACNIC address blocks: 1660
Unique aggregates announced from the LACNIC address blocks: 908
LACNIC Region origin ASes present in the Internet Routing Table: 160
LACNIC Prefixes per ASN: 10.38
LACNIC Region origin ASes announcing only one prefix: 56
LACNIC Region transit ASes present in the Internet Routing Table: 26
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: 65
Number of LACNIC addresses announced to Internet: 4073585
Equivalent to 0 /8s, 62 /16s and 40 /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: 1023
Total AfriNIC prefixes after maximum aggregation: 208
AfriNIC Deaggregation factor: 4.92
Prefixes being announced from the AfriNIC address blocks: 1022
Unique aggregates announced from the AfriNIC address blocks: 293
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 19.65
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: 2686464
Equivalent to 0 /8s, 40 /16s and 254 /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 2154 466 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
1237 194 74 140 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 117 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 2656 3592 373 GOOGLE-CLOUD-PLATFORM, US
16509 2079 1644 808 AMAZON-02, US
15169 821 2254 63 GOOGLE, US
14618 774 4015 572 AMAZON-AES, US
376 202 178 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
36492 154 11 39 GOOGLEWIFI, US
2152 139 507 91 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
81 129 521 32 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 1919 249 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 176 24 5 ISU Internet Services Unit ISU, SA
559 112 533 104 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 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 260 208 44 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
27947 122 0 92 Telconet S.A, EC
11340 114 25 51 Red Universitaria Nacional, CL
1251 61 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 257 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
327687 56 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 44 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
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 2656 3592 373 GOOGLE-CLOUD-PLATFORM, US
16509 2079 1644 808 AMAZON-02, US
15169 821 2254 63 GOOGLE, US
14618 774 4015 572 AMAZON-AES, US
2907 607 2154 466 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 260 208 44 Rede Nacional de Ensino e Pesquisa, BR
36914 257 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 2079 1271 AMAZON-02, US
15169 821 758 GOOGLE, US
7497 435 411 CSTNET-AS-AP Computer Network Information Cente
2018 381 309 TENET-1, ZA
36914 257 254 KENET-AS, KE
1916 260 216 Rede Nacional de Ensino e Pesquisa, BR
14618 774 202 AMAZON-AES, US
5786 198 197 UPRENET, PR
58647 178 176 KAGAWAU-AS Kagawa University, JP
8895 176 171 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
76.76.19.0/24 Origin: 16509 AMAZON-02, US
76.76.19.0/24 Transit: 27750 Cooperacion Latino Americana de Redes Av
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
202.58.231.0/24 Origin: 134096 EHEALTHNSW-AS-AP eHealth NSW, AU
202.58.231.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res
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 /16:2084 /17:493 /18:484
/19:723 /20:2769 /21:1024 /22:1638 /23:1718 /24:13653
/25:95 /26:75 /27:91 /28:27 /29:82 /30:41
/31:32 /32:11
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 284 2079 AMAZON-02, US
15169 273 821 GOOGLE, US
14618 250 774 AMAZON-AES, US
36914 245 257 KENET-AS, KE
396982 189 2656 GOOGLE-CLOUD-PLATFORM, US
8895 171 176 ISU Internet Services Unit ISU, SA
27947 95 122 Telconet S.A, EC
32440 79 108 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 3:69 5:18 8:28 12:1 13:44
14:88 15:66 16:108 18:52 23:115 24:3
31:10 34:18 35:50 38:9 40:1 41:117
42:10 44:8 45:54 46:10 47:1 49:6
50:2 52:558 54:228 58:1 59:19 60:4
61:3 62:12 63:36 64:160 65:13 66:65
67:59 68:10 69:35 70:43 71:3 72:13
74:143 76:45 77:11 78:3 79:10 80:17
81:26 82:7 83:6 84:10 85:47 86:10
87:2 88:1 89:17 91:57 92:3 93:4
94:4 95:2 96:7 97:1 98:11 99:47
101:7 102:17 103:325 104:201 107:33 108:99
109:12 110:2 111:16 114:31 115:1 116:8
117:61 118:32 119:21 121:29 122:8 123:8
124:38 125:4 128:87 129:45 130:143 131:56
132:64 133:157 134:100 135:4 136:295 137:101
138:10 139:18 140:36 141:4 142:269 143:29
144:39 145:2 146:143 147:65 148:201 149:16
150:130 151:13 152:146 153:14 154:30 155:65
156:69 157:40 158:43 159:148 160:27 161:32
162:86 163:80 164:20 165:57 166:1 167:24
168:161 169:12 170:113 171:1 172:113 173:112
174:2 175:31 176:11 177:6 178:1 179:9
180:15 182:1 184:3 185:99 186:3 187:18
188:19 189:3 190:5 191:36 192:1466 193:356
194:128 195:106 196:169 197:163 198:486 199:299
200:305 201:36 202:646 203:424 204:366 205:149
206:198 207:187 208:126 209:160 210:184 211:6
212:169 213:15 216:166 217:11 218:22 219:6
220:16 222:5 223:4
End of report
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