[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Aug 1 22:10:43 UTC 2023
IPv4 R&E Routing Table Report 22:10 GMT Tue 01 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: 25222
Prefixes after maximum aggregation (per Origin AS): 12407
Deaggregation factor: 2.03
Unique aggregates announced (without unneeded subnets): 14023
Number of IPv4 prefixes with a valid ROA: 11572
Number of IPv4 prefixes with an invalid ROA: 194
Number of IPv4 prefixes with no ROA: 13456
Total ASes present in the Internet Routing Table: 2737
Prefixes per ASN: 9.22
Origin-only ASes present in the Internet Routing Table: 2353
Origin ASes announcing only one prefix: 1035
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: 42359
Number of 32-bit ASNs visible in the Routing Table: 625
Prefixes from 32-bit ASNs in the Routing Table: 4621
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: 243275248
Equivalent to 14 /8s, 128 /16s and 21 /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: 3337
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4650
Total APNIC prefixes after maximum aggregation: 2256
APNIC Deaggregation factor: 2.06
Prefixes being announced from the APNIC address blocks: 4693
Unique aggregates announced from the APNIC address blocks: 2617
APNIC Region origin ASes present in the Internet Routing Table: 537
APNIC Prefixes per ASN: 8.74
APNIC Region origin ASes announcing only one prefix: 224
APNIC Region transit ASes present in the Internet Routing Table: 57
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: 199
Number of APNIC addresses announced to Internet: 45773120
Equivalent to 2 /8s, 186 /16s and 113 /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: 14331
Total ARIN prefixes after maximum aggregation: 6415
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 14120
Unique aggregates announced from the ARIN address blocks: 7187
ARIN Region origin ASes present in the Internet Routing Table: 1228
ARIN Prefixes per ASN: 11.50
ARIN Region origin ASes announcing only one prefix: 426
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: 190
Number of ARIN addresses announced to Internet: 132596513
Equivalent to 7 /8s, 231 /16s and 67 /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: 3623
Total RIPE prefixes after maximum aggregation: 2873
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3786
Unique aggregates announced from the RIPE address blocks: 3105
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: 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: 143
Number of RIPE addresses announced to Internet: 57992448
Equivalent to 3 /8s, 116 /16s and 229 /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: 1578
Total LACNIC prefixes after maximum aggregation: 694
LACNIC Deaggregation factor: 2.27
Prefixes being announced from the LACNIC address blocks: 1582
Unique aggregates announced from the LACNIC address blocks: 891
LACNIC Region origin ASes present in the Internet Routing Table: 165
LACNIC Prefixes per ASN: 9.59
LACNIC Region origin ASes announcing only one prefix: 58
LACNIC Region transit ASes present in the Internet Routing Table: 27
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: 67
Number of LACNIC addresses announced to Internet: 4252559
Equivalent to 0 /8s, 64 /16s and 227 /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: 1036
Total AfriNIC prefixes after maximum aggregation: 165
AfriNIC Deaggregation factor: 6.28
Prefixes being announced from the AfriNIC address blocks: 1036
Unique aggregates announced from the AfriNIC address blocks: 218
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 20.72
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: 4.5
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2659328
Equivalent to 0 /8s, 40 /16s and 148 /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 123 18 15 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 2680 3596 385 GOOGLE-CLOUD-PLATFORM, US
16509 2142 1686 846 AMAZON-02, US
15169 826 2253 62 GOOGLE, US
14618 799 4014 595 AMAZON-AES, US
376 202 178 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
36492 157 11 35 GOOGLEWIFI, US
2152 146 507 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 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 114 25 51 Red Universitaria Nacional, CL
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 47 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 363 318 66 TENET-1, ZA
36914 250 82 3 KENET-AS, KE
327687 165 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 2680 3596 385 GOOGLE-CLOUD-PLATFORM, US
16509 2142 1686 846 AMAZON-02, US
15169 826 2253 62 GOOGLE, US
14618 799 4014 595 AMAZON-AES, US
2907 608 2147 466 SINET-AS Research Organization of Infor
7497 434 180 23 CSTNET-AS-AP Computer Network Informati
2018 363 318 66 TENET-1, ZA
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
1916 260 176 43 Rede Nacional de Ensino e Pesquisa, BR
36914 250 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 1296 AMAZON-02, US
15169 826 764 GOOGLE, US
7497 434 411 CSTNET-AS-AP Computer Network Information Cente
2018 363 297 TENET-1, ZA
36914 250 247 KENET-AS, KE
1916 260 217 Rede Nacional de Ensino e Pesquisa, BR
14618 799 204 AMAZON-AES, US
5786 197 196 UPRENET, PR
58647 178 176 KAGAWAU-AS Kagawa University, JP
327687 165 162 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
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
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
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 /15:161 /16:2086 /17:501 /18:477
/19:726 /20:2777 /21:1020 /22:1641 /23:1710 /24:13538
/25:94 /26:72 /27:80 /28:21 /29:87 /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 274 826 GOOGLE, US
14618 259 799 AMAZON-AES, US
36914 238 250 KENET-AS, KE
396982 197 2680 GOOGLE-CLOUD-PLATFORM, US
8895 158 163 ISU Internet Services Unit ISU, SA
27947 99 126 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 3:78 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 41:113
42:10 43:1 44:8 45:58 46:11 47:1
49:6 50:2 52:558 54:228 59:19 60:4
61:3 62:11 63:36 64:162 65:13 66:66
67:60 68:10 69:36 70:44 71:3 72:13
74:143 76:46 77:10 78:3 79:10 80:14
81:26 82:7 83:6 84:10 85:45 86:10
87:2 88:1 89:18 91:57 92:4 93:4
94:4 95:2 96:7 97:1 98:11 99:47
101:3 102:31 103:276 104:215 107:33 108:102
109:12 111:16 114:31 115:1 116:8 117:61
118:32 119:18 121:28 122:8 123:8 124:38
125:4 128:87 129:48 130:142 131:58 132:52
133:155 134:105 135:3 136:294 137:147 138:10
139:17 140:38 141:4 142:275 143:21 144:39
145:3 146:144 147:67 148:201 149:16 150:43
151:14 152:139 153:14 154:30 155:73 156:69
157:28 158:43 159:148 160:29 161:36 162:86
163:84 164:20 165:50 166:1 167:22 168:158
169:12 170:123 171:1 172:114 173:113 174:2
175:27 176:11 177:5 178:1 179:9 180:15
182:1 184:3 185:102 186:3 187:18 188:19
189:3 190:5 191:13 192:1474 193:308 194:124
195:86 196:203 197:159 198:483 199:306 200:283
201:36 202:632 203:431 204:371 205:147 206:202
207:189 208:125 209:162 210:185 211:3 212:169
213:15 216:166 217:12 218:22 219:6 220:16
222:2 223:14
End of report
More information about the ren-bgp-stats-all
mailing list