[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Fri May 19 22:10:44 UTC 2023
IPv4 R&E Routing Table Report 22:10 GMT Fri 19 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: 25289
Prefixes after maximum aggregation (per Origin AS): 12454
Deaggregation factor: 2.03
Unique aggregates announced (without unneeded subnets): 14157
Number of IPv4 prefixes with a valid ROA: 11047
Number of IPv4 prefixes with an invalid ROA: 190
Number of IPv4 prefixes with no ROA: 14052
Total ASes present in the Internet Routing Table: 2765
Prefixes per ASN: 9.15
Origin-only ASes present in the Internet Routing Table: 2386
Origin ASes announcing only one prefix: 1057
Transit ASes present in the Internet Routing Table: 379
Transit-only ASes present in the Internet Routing Table: 64
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: 6
Number of instances of unregistered ASNs: 6
Number of 32-bit ASNs allocated by the RIRs: 41896
Number of 32-bit ASNs visible in the Routing Table: 652
Prefixes from 32-bit ASNs in the Routing Table: 4546
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: 243112266
Equivalent to 14 /8s, 125 /16s and 153 /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: 3349
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4741
Total APNIC prefixes after maximum aggregation: 2322
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4787
Unique aggregates announced from the APNIC address blocks: 2701
APNIC Region origin ASes present in the Internet Routing Table: 583
APNIC Prefixes per ASN: 8.21
APNIC Region origin ASes announcing only one prefix: 252
APNIC Region transit ASes present in the Internet Routing Table: 61
Average APNIC Region AS path length visible: 5.6
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 227
Number of APNIC addresses announced to Internet: 45912640
Equivalent to 2 /8s, 188 /16s and 146 /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: 14239
Total ARIN prefixes after maximum aggregation: 6359
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 14042
Unique aggregates announced from the ARIN address blocks: 7170
ARIN Region origin ASes present in the Internet Routing Table: 1220
ARIN Prefixes per ASN: 11.51
ARIN Region origin ASes announcing only one prefix: 422
ARIN Region transit ASes present in the Internet Routing Table: 160
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: 132435361
Equivalent to 7 /8s, 228 /16s and 205 /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: 3644
Total RIPE prefixes after maximum aggregation: 2874
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3794
Unique aggregates announced from the RIPE address blocks: 3095
RIPE Region origin ASes present in the Internet Routing Table: 682
RIPE Prefixes per ASN: 5.56
RIPE Region origin ASes announcing only one prefix: 302
RIPE Region transit ASes present in the Internet Routing Table: 104
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: 144
Number of RIPE addresses announced to Internet: 58038784
Equivalent to 3 /8s, 117 /16s and 154 /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: 1644
Total LACNIC prefixes after maximum aggregation: 685
LACNIC Deaggregation factor: 2.40
Prefixes being announced from the LACNIC address blocks: 1647
Unique aggregates announced from the LACNIC address blocks: 893
LACNIC Region origin ASes present in the Internet Routing Table: 160
LACNIC Prefixes per ASN: 10.29
LACNIC Region origin ASes announcing only one prefix: 56
LACNIC Region transit ASes present in the Internet Routing Table: 25
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: 65
Number of LACNIC addresses announced to Internet: 4037481
Equivalent to 0 /8s, 61 /16s and 155 /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: 1015
Total AfriNIC prefixes after maximum aggregation: 208
AfriNIC Deaggregation factor: 4.88
Prefixes being announced from the AfriNIC address blocks: 1014
Unique aggregates announced from the AfriNIC address blocks: 293
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 19.50
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 2655 3592 372 GOOGLE-CLOUD-PLATFORM, US
16509 2069 1641 799 AMAZON-02, US
15169 822 2254 63 GOOGLE, US
14618 771 4014 571 AMAZON-AES, US
376 202 178 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
2152 140 507 92 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
81 129 521 32 NCREN, US
36492 126 9 33 GOOGLEWIFI, 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
559 112 533 104 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 375 319 72 TENET-1, ZA
36914 254 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
327687 58 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 43 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 2655 3592 372 GOOGLE-CLOUD-PLATFORM, US
16509 2069 1641 799 AMAZON-02, US
15169 822 2254 63 GOOGLE, US
14618 771 4014 571 AMAZON-AES, US
2907 607 2154 466 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
2018 375 319 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 254 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 2069 1270 AMAZON-02, US
15169 822 759 GOOGLE, US
7497 435 411 CSTNET-AS-AP Computer Network Information Cente
2018 375 303 TENET-1, ZA
36914 254 251 KENET-AS, KE
1916 260 216 Rede Nacional de Ensino e Pesquisa, BR
14618 771 200 AMAZON-AES, US
5786 198 197 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
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US
18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, 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 /17:489 /18:484
/19:724 /20:2768 /21:1021 /22:1640 /23:1709 /24:13615
/25:95 /26:75 /27:91 /28:27 /29:81 /30:41
/31:32 /32:11
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 283 2069 AMAZON-02, US
15169 274 822 GOOGLE, US
14618 251 771 AMAZON-AES, US
36914 242 254 KENET-AS, KE
396982 188 2655 GOOGLE-CLOUD-PLATFORM, US
8895 172 177 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 13:43
14:88 15:66 16:105 18:51 23:115 24:3
31:10 34:18 35:50 38:9 40:1 41:116
42:10 44:8 45:54 46:10 47:1 49:6
50:4 52:559 54:228 58:1 59:19 60:4
61:3 62:12 63:36 64:161 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
101:7 102:17 103:324 104:200 107:33 108:99
109:12 110:2 111:16 114:31 115:1 116:8
117:61 118:32 119:21 121:29 122:8 123:8
124:39 125:4 128:87 129:45 130:142 131:56
132:52 133:157 134:100 135:4 136:293 137:102
138:10 139:18 140:36 141:4 142:269 143:29
144:39 145:2 146:143 147:65 148:201 149:16
150:130 151:13 152:146 153:14 154:31 155:65
156:69 157:40 158:40 159:148 160:27 161:32
162:65 163:80 164:20 165:57 166:1 167:24
168:153 169:12 170:113 171:1 172:113 173:112
174:2 175:31 176:11 177:9 178:1 179:9
180:15 182:1 184:3 185:99 186:3 187:18
188:19 189:3 190:5 191:36 192:1453 193:356
194:128 195:105 196:169 197:160 198:486 199:299
200:305 201:36 202:646 203:432 204:367 205:148
206:198 207:188 208:125 209:160 210:189 211:17
212:169 213:15 216:166 217:11 218:22 219:6
220:16 222:5 223:4
End of report
More information about the ren-bgp-stats-all
mailing list