[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Fri Jan 21 22:10:33 UTC 2022
IPv4 R&E Routing Table Report 22:10 GMT Fri 21 Jan, 2022
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: 22842
Prefixes after maximum aggregation (per Origin AS): 11819
Deaggregation factor: 1.93
Unique aggregates announced (without unneeded subnets): 13681
Number of IPv4 prefixes with a valid ROA: 8037
Number of IPv4 prefixes with an invalid ROA: 168
Number of IPv4 prefixes with no ROA: 14637
Total ASes present in the Internet Routing Table: 2729
Prefixes per ASN: 8.37
Origin-only ASes present in the Internet Routing Table: 2354
Origin ASes announcing only one prefix: 1089
Transit ASes present in the Internet Routing Table: 375
Transit-only ASes present in the Internet Routing Table: 51
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 15
Max AS path prepend of ASN ( 10497) 11
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: 38350
Number of 32-bit ASNs visible in the Routing Table: 613
Prefixes from 32-bit ASNs in the Routing Table: 2810
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 4
Number of addresses announced to Internet: 239917309
Equivalent to 14 /8s, 76 /16s and 216 /24s
Percentage of available address space announced: 6.5
Percentage of allocated address space announced: 6.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 3401
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4597
Total APNIC prefixes after maximum aggregation: 2297
APNIC Deaggregation factor: 2.00
Prefixes being announced from the APNIC address blocks: 4621
Unique aggregates announced from the APNIC address blocks: 2586
APNIC Region origin ASes present in the Internet Routing Table: 567
APNIC Prefixes per ASN: 8.15
APNIC Region origin ASes announcing only one prefix: 250
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: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 219
Number of APNIC addresses announced to Internet: 45958464
Equivalent to 2 /8s, 189 /16s and 69 /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: 12227
Total ARIN prefixes after maximum aggregation: 5840
ARIN Deaggregation factor: 2.09
Prefixes being announced from the ARIN address blocks: 12117
Unique aggregates announced from the ARIN address blocks: 6960
ARIN Region origin ASes present in the Internet Routing Table: 1206
ARIN Prefixes per ASN: 10.05
ARIN Region origin ASes announcing only one prefix: 428
ARIN Region transit ASes present in the Internet Routing Table: 160
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 164
Number of ARIN addresses announced to Internet: 128923025
Equivalent to 7 /8s, 175 /16s and 53 /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: 3463
Total RIPE prefixes after maximum aggregation: 2794
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3539
Unique aggregates announced from the RIPE address blocks: 2918
RIPE Region origin ASes present in the Internet Routing Table: 676
RIPE Prefixes per ASN: 5.24
RIPE Region origin ASes announcing only one prefix: 322
RIPE Region transit ASes present in the Internet Routing Table: 101
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 134
Number of RIPE addresses announced to Internet: 58126528
Equivalent to 3 /8s, 118 /16s and 240 /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: 1636
Total LACNIC prefixes after maximum aggregation: 694
LACNIC Deaggregation factor: 2.36
Prefixes being announced from the LACNIC address blocks: 1646
Unique aggregates announced from the LACNIC address blocks: 917
LACNIC Region origin ASes present in the Internet Routing Table: 173
LACNIC Prefixes per ASN: 9.51
LACNIC Region origin ASes announcing only one prefix: 67
LACNIC Region transit ASes present in the Internet Routing Table: 27
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 70
Number of LACNIC addresses announced to Internet: 4152172
Equivalent to 0 /8s, 63 /16s and 91 /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: 915
Total AfriNIC prefixes after maximum aggregation: 190
AfriNIC Deaggregation factor: 4.82
Prefixes being announced from the AfriNIC address blocks: 915
Unique aggregates announced from the AfriNIC address blocks: 296
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 17.60
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2756096
Equivalent to 0 /8s, 42 /16s and 14 /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 619 2157 458 SINET-AS Research Organization of Infor
7497 431 182 24 CSTNET-AS-AP Computer Network Informati
58647 200 18 2 KAGAWAU-AS Kagawa University, JP
1237 188 74 135 KREONET-AS-KR KISTI, KR
7575 176 330 123 AARNET-AS-AP Australian Academic and Re
4538 127 4192 72 ERX-CERNET-BKB China Education and Rese
55824 115 18 11 NKN-CORE-NW NKN Core Network, IN
4621 80 37 10 UNINET-AS-AP UNINET-, TH
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
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
16509 1857 1575 546 AMAZON-02, US
396982 1075 1026 292 GOOGLE-CLOUD-PLATFORM, US
15169 733 3274 64 GOOGLE, US
14618 568 3987 434 AMAZON-AES, US
7896 251 51 7 NU-AS, US
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
36492 177 12 53 GOOGLEWIFI, US
2152 144 507 86 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, 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
680 279 1950 245 DFN Verein zur Foerderung eines Deutsch
786 185 1774 182 JANET Jisc Services Limited, GB
8895 182 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 98 1520 85 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
553 72 449 72 BELWUE BelWue-Koordination, DE
2200 67 647 61 FR-RENATER Reseau National de telecommu
2614 58 32 55 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
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 202 207 42 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
27947 110 0 84 Telconet S.A, EC
11340 107 25 53 Red Universitaria Nacional, CL
1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
52286 54 4 31 Columbus Networks Guatemala, GT
19611 45 17 2 Associacao Antonio Vieira - Unisinos, B
4270 44 16 1 Red de Interconexion Universitaria, AR
28614 38 2 2 Fundacao Universidade Regional de Blume
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 350 319 74 TENET-1, ZA
36914 204 82 3 KENET-AS, KE
2561 72 5 31 EUN, EG
8094 50 48 4 PUKNET, ZA
327700 45 16 1 MoRENet, MZ
327687 39 28 3 RENU, UG
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37182 12 8 1 TERNET, TZ
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
16509 1857 1575 546 AMAZON-02, US
396982 1075 1026 292 GOOGLE-CLOUD-PLATFORM, US
15169 733 3274 64 GOOGLE, US
2907 619 2157 458 SINET-AS Research Organization of Infor
14618 568 3987 434 AMAZON-AES, US
7497 431 182 24 CSTNET-AS-AP Computer Network Informati
2018 350 319 74 TENET-1, ZA
680 279 1950 245 DFN Verein zur Foerderung eines Deutsch
7896 251 51 7 NU-AS, US
36914 204 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
396982 1075 783 GOOGLE-CLOUD-PLATFORM, US
15169 733 669 GOOGLE, US
7497 431 407 CSTNET-AS-AP Computer Network Information Cente
2018 350 276 TENET-1, ZA
7896 251 244 NU-AS, US
36914 204 201 KENET-AS, KE
5786 200 199 UPRENET, PR
58647 200 198 KAGAWAU-AS Kagawa University, JP
8895 182 178 ISU Internet Services Unit ISU, SA
2907 619 161 SINET-AS Research Organization of Information a
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
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US
64507 DOCUMENT 170.79.91.8/29 27817 Red Nacional Academica de Te
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-spar
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
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US
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 /11:3 /12:17
/13:32 /14:77 /15:159 /16:2094 /17:432 /18:454
/19:695 /20:1664 /21:963 /22:1498 /23:1630 /24:12703
/25:78 /26:64 /27:62 /28:28 /29:88 /30:32
/31:22 /32:44
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 546 1857 AMAZON-02, US
15169 273 733 GOOGLE, US
36914 191 204 KENET-AS, KE
14618 188 568 AMAZON-AES, US
8895 177 182 ISU Internet Services Unit ISU, SA
396982 100 1075 GOOGLE-CLOUD-PLATFORM, US
27947 99 110 Telconet S.A, EC
23024 53 56 OCDE, US
36492 40 177 GOOGLEWIFI, US
327700 39 45 MoRENet, MZ
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:4 3:56 5:17 8:4 12:1 13:158
14:85 15:30 16:5 18:43 23:70 24:3
31:9 35:8 37:6 38:9 40:1 41:125
42:8 44:5 45:52 46:10 47:1 49:8
50:1 52:472 54:159 59:4 60:4 61:3
62:7 63:37 64:128 65:5 66:57 67:60
68:10 69:35 70:15 71:3 72:31 74:103
75:128 76:165 77:9 78:3 79:10 80:16
81:28 82:6 83:7 84:5 85:38 86:4
87:1 88:1 89:16 91:52 92:2 93:19
94:4 95:5 96:6 97:1 98:9 99:167
101:6 102:13 103:312 104:96 106:1 107:18
108:68 109:13 110:3 111:20 112:4 114:23
116:5 117:61 119:21 121:26 123:8 124:39
125:4 128:86 129:179 130:108 131:83 132:58
133:140 134:98 135:20 136:266 137:92 138:8
139:16 140:38 141:4 142:162 143:43 144:68
145:2 146:137 147:65 148:197 149:18 150:35
151:7 152:80 153:11 154:25 155:54 156:69
157:28 158:44 159:119 160:25 161:21 162:41
163:65 164:31 165:57 166:1 167:22 168:192
169:10 170:77 171:1 172:113 173:96 174:1
175:31 176:12 177:12 178:3 179:10 180:21
181:12 182:6 184:4 185:70 186:3 187:18
188:19 189:5 190:37 191:33 192:1431 193:253
194:122 195:90 196:150 197:117 198:474 199:283
200:240 201:36 202:608 203:416 204:344 205:189
206:214 207:182 208:89 209:149 210:182 211:13
212:174 213:15 216:148 217:24 218:25 219:6
220:17 222:5 223:3
End of report
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