[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Apr 20 22:10:47 UTC 2023
IPv4 R&E Routing Table Report 22:10 GMT Thu 20 Apr, 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: 25159
Prefixes after maximum aggregation (per Origin AS): 12388
Deaggregation factor: 2.03
Unique aggregates announced (without unneeded subnets): 14033
Number of IPv4 prefixes with a valid ROA: 10931
Number of IPv4 prefixes with an invalid ROA: 181
Number of IPv4 prefixes with no ROA: 14047
Total ASes present in the Internet Routing Table: 2772
Prefixes per ASN: 9.08
Origin-only ASes present in the Internet Routing Table: 2388
Origin ASes announcing only one prefix: 1054
Transit ASes present in the Internet Routing Table: 384
Transit-only ASes present in the Internet Routing Table: 68
Paths with bogon ASNs present in the IPv4 Routing Table: 1
Average AS path length visible in the Internet Routing Table: 4.8
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: 41684
Number of 32-bit ASNs visible in the Routing Table: 649
Prefixes from 32-bit ASNs in the Routing Table: 4519
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: 4
Number of addresses announced to Internet: 243085342
Equivalent to 14 /8s, 125 /16s and 48 /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: 3324
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4723
Total APNIC prefixes after maximum aggregation: 2315
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4771
Unique aggregates announced from the APNIC address blocks: 2684
APNIC Region origin ASes present in the Internet Routing Table: 578
APNIC Prefixes per ASN: 8.25
APNIC Region origin ASes announcing only one prefix: 246
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: 45840704
Equivalent to 2 /8s, 187 /16s and 121 /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: 14182
Total ARIN prefixes after maximum aggregation: 6332
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 13989
Unique aggregates announced from the ARIN address blocks: 7133
ARIN Region origin ASes present in the Internet Routing Table: 1226
ARIN Prefixes per ASN: 11.41
ARIN Region origin ASes announcing only one prefix: 426
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: 132451521
Equivalent to 7 /8s, 229 /16s and 12 /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: 3648
Total RIPE prefixes after maximum aggregation: 2880
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3793
Unique aggregates announced from the RIPE address blocks: 3095
RIPE Region origin ASes present in the Internet Routing Table: 687
RIPE Prefixes per ASN: 5.52
RIPE Region origin ASes announcing only one prefix: 304
RIPE Region transit ASes present in the Internet Routing Table: 103
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: 143
Number of RIPE addresses announced to Internet: 58018816
Equivalent to 3 /8s, 117 /16s and 76 /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: 1645
Total LACNIC prefixes after maximum aggregation: 678
LACNIC Deaggregation factor: 2.43
Prefixes being announced from the LACNIC address blocks: 1648
Unique aggregates announced from the LACNIC address blocks: 886
LACNIC Region origin ASes present in the Internet Routing Table: 158
LACNIC Prefixes per ASN: 10.43
LACNIC Region origin ASes announcing only one prefix: 53
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: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64
Number of LACNIC addresses announced to Internet: 4102685
Equivalent to 0 /8s, 62 /16s and 154 /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: 955
Total AfriNIC prefixes after maximum aggregation: 177
AfriNIC Deaggregation factor: 5.40
Prefixes being announced from the AfriNIC address blocks: 954
Unique aggregates announced from the AfriNIC address blocks: 231
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 18.71
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 10
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: 27
Number of AfriNIC addresses announced to Internet: 2670336
Equivalent to 0 /8s, 40 /16s and 191 /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 2155 467 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
1237 192 74 139 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 69 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 2630 3590 362 GOOGLE-CLOUD-PLATFORM, US
16509 2052 1639 794 AMAZON-02, US
15169 801 2254 63 GOOGLE, US
14618 768 3998 567 AMAZON-AES, US
376 198 178 148 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 123 9 30 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 174 24 3 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 73 449 73 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 263 208 44 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
27947 115 0 85 Telconet S.A, EC
11340 114 25 51 Red Universitaria Nacional, CL
1251 60 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 382 319 72 TENET-1, ZA
36914 253 82 3 KENET-AS, KE
327687 62 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 34 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 2630 3590 362 GOOGLE-CLOUD-PLATFORM, US
16509 2052 1639 794 AMAZON-02, US
15169 801 2254 63 GOOGLE, US
14618 768 3998 567 AMAZON-AES, US
2907 608 2155 467 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
2018 382 319 72 TENET-1, ZA
680 283 1919 249 DFN Verein zur Foerderung eines Deutsch
1916 263 208 44 Rede Nacional de Ensino e Pesquisa, BR
36914 253 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 2052 1258 AMAZON-02, US
15169 801 738 GOOGLE, US
7497 434 410 CSTNET-AS-AP Computer Network Information Cente
2018 382 310 TENET-1, ZA
36914 253 250 KENET-AS, KE
1916 263 219 Rede Nacional de Ensino e Pesquisa, BR
14618 768 201 AMAZON-AES, US
5786 198 197 UPRENET, PR
58647 178 176 KAGAWAU-AS Kagawa University, JP
8895 174 171 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
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
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
216.169.147.0/24 Origin: 14618 AMAZON-AES, US
216.169.147.0/24 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 /15:160 /16:2085 /17:493 /18:479
/19:723 /20:2782 /21:1016 /22:1638 /23:1706 /24:13486
/25:95 /26:74 /27:97 /28:24 /29:79 /30:38
/31:31 /32:11
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 282 2052 AMAZON-02, US
15169 275 801 GOOGLE, US
14618 253 768 AMAZON-AES, US
36914 240 253 KENET-AS, KE
396982 181 2630 GOOGLE-CLOUD-PLATFORM, US
8895 169 174 ISU Internet Services Unit ISU, SA
27947 92 115 Telconet S.A, EC
32440 80 108 LONI, US
23024 52 113 OCDE, US
1916 40 263 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 2:1 3:68 5:17 8:28 12:1
13:43 14:88 15:66 16:101 18:49 23:114
24:3 31:10 34:10 35:48 37:1 38:9
40:1 41:110 42:10 44:7 45:54 46:10
47:1 49:6 50:1 52:559 54:228 58:1
59:20 60:4 61:3 62:12 63:36 64:162
65:13 66:64 67:59 68:10 69:35 70:42
71:3 72:13 74:144 76:46 77:11 78:3
79:10 80:17 81:28 82:7 83:6 84:10
85:47 86:5 87:2 88:1 89:17 91:56
92:3 93:4 94:4 95:2 96:7 97:1
98:11 99:47 101:7 102:16 103:331 104:202
107:33 108:98 109:12 110:2 111:16 114:31
115:1 116:8 117:61 118:32 119:21 121:28
122:8 123:8 124:39 125:4 128:86 129:46
130:142 131:59 132:58 133:157 134:100 135:4
136:291 137:106 138:10 139:18 140:39 141:4
142:251 143:27 144:39 145:2 146:144 147:65
148:201 149:16 150:130 151:13 152:146 153:14
154:31 155:65 156:69 157:39 158:41 159:148
160:27 161:33 162:63 163:79 164:20 165:56
166:1 167:23 168:160 169:11 170:110 171:1
172:113 173:112 174:2 175:31 176:11 177:9
178:1 179:9 180:15 182:1 184:3 185:90
186:3 187:19 188:19 189:3 190:5 191:36
192:1444 193:317 194:130 195:85 196:169 197:156
198:484 199:300 200:301 201:36 202:640 203:432
204:365 205:149 206:200 207:178 208:124 209:160
210:185 211:17 212:172 213:15 216:166 217:11
218:22 219:6 220:16 222:5 223:4
End of report
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