[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Fri Mar 11 22:10:31 UTC 2022
IPv4 R&E Routing Table Report 22:10 GMT Fri 11 Mar, 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: 23415
Prefixes after maximum aggregation (per Origin AS): 12035
Deaggregation factor: 1.95
Unique aggregates announced (without unneeded subnets): 13835
Number of IPv4 prefixes with a valid ROA: 8556
Number of IPv4 prefixes with an invalid ROA: 172
Number of IPv4 prefixes with no ROA: 14687
Total ASes present in the Internet Routing Table: 2742
Prefixes per ASN: 8.54
Origin-only ASes present in the Internet Routing Table: 2368
Origin ASes announcing only one prefix: 1081
Transit ASes present in the Internet Routing Table: 374
Transit-only ASes present in the Internet Routing Table: 49
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 16
Max AS path prepend of ASN (211089) 11
Prefixes from unregistered ASNs in the Routing Table: 8
Number of instances of unregistered ASNs: 8
Number of 32-bit ASNs allocated by the RIRs: 38761
Number of 32-bit ASNs visible in the Routing Table: 620
Prefixes from 32-bit ASNs in the Routing Table: 3087
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: 240127631
Equivalent to 14 /8s, 80 /16s and 14 /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: 3474
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4764
Total APNIC prefixes after maximum aggregation: 2320
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4793
Unique aggregates announced from the APNIC address blocks: 2658
APNIC Region origin ASes present in the Internet Routing Table: 582
APNIC Prefixes per ASN: 8.24
APNIC Region origin ASes announcing only one prefix: 249
APNIC Region transit ASes present in the Internet Routing Table: 63
Average APNIC Region AS path length visible: 5.7
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 223
Number of APNIC addresses announced to Internet: 46026048
Equivalent to 2 /8s, 190 /16s and 77 /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: 12600
Total ARIN prefixes after maximum aggregation: 5990
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 12476
Unique aggregates announced from the ARIN address blocks: 7034
ARIN Region origin ASes present in the Internet Routing Table: 1202
ARIN Prefixes per ASN: 10.38
ARIN Region origin ASes announcing only one prefix: 429
ARIN Region transit ASes present in the Internet Routing Table: 159
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: 168
Number of ARIN addresses announced to Internet: 129060369
Equivalent to 7 /8s, 177 /16s and 78 /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: 3514
Total RIPE prefixes after maximum aggregation: 2827
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3603
Unique aggregates announced from the RIPE address blocks: 2923
RIPE Region origin ASes present in the Internet Routing Table: 679
RIPE Prefixes per ASN: 5.31
RIPE Region origin ASes announcing only one prefix: 317
RIPE Region transit ASes present in the Internet Routing Table: 98
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 16
Number of RIPE region 32-bit ASNs visible in the Routing Table: 135
Number of RIPE addresses announced to Internet: 58117312
Equivalent to 3 /8s, 118 /16s and 204 /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: 1617
Total LACNIC prefixes after maximum aggregation: 707
LACNIC Deaggregation factor: 2.29
Prefixes being announced from the LACNIC address blocks: 1627
Unique aggregates announced from the LACNIC address blocks: 929
LACNIC Region origin ASes present in the Internet Routing Table: 174
LACNIC Prefixes per ASN: 9.35
LACNIC Region origin ASes announcing only one prefix: 65
LACNIC Region transit ASes present in the Internet Routing Table: 28
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: 69
Number of LACNIC addresses announced to Internet: 4196990
Equivalent to 0 /8s, 64 /16s and 10 /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: 912
Total AfriNIC prefixes after maximum aggregation: 183
AfriNIC Deaggregation factor: 4.98
Prefixes being announced from the AfriNIC address blocks: 912
Unique aggregates announced from the AfriNIC address blocks: 287
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 18.61
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 14
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25
Number of AfriNIC addresses announced to Internet: 2725888
Equivalent to 0 /8s, 41 /16s and 152 /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 633 2157 459 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
58647 201 18 2 KAGAWAU-AS Kagawa University, JP
1237 189 74 135 KREONET-AS-KR KISTI, KR
7575 175 330 122 AARNET-AS-AP Australian Academic and Re
55824 129 19 23 NKN-CORE-NW NKN Core Network, IN
4538 128 4192 72 ERX-CERNET-BKB China Education and Rese
4621 79 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 1925 1591 644 AMAZON-02, US
396982 1358 1356 345 GOOGLE-CLOUD-PLATFORM, US
15169 736 3278 65 GOOGLE, US
14618 582 3987 446 AMAZON-AES, US
7896 252 51 7 NU-AS, US
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
36492 192 13 54 GOOGLEWIFI, US
2152 145 507 86 CSUNET-NW, US
18558 135 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
680 278 1965 244 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 181 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 99 1520 86 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
2614 69 30 59 ROEDUNET, RO
2200 66 647 61 FR-RENATER Reseau National de telecommu
1930 58 81 53 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 175 208 46 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
27947 117 0 88 Telconet S.A, EC
11340 107 25 52 Red Universitaria Nacional, CL
1251 60 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 43 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 356 319 71 TENET-1, ZA
36914 211 82 3 KENET-AS, KE
2561 72 5 31 EUN, EG
8094 50 48 4 PUKNET, ZA
327687 40 28 3 RENU, UG
327700 33 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 17 8 1 TERNET, TZ
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
16509 1925 1591 644 AMAZON-02, US
396982 1358 1356 345 GOOGLE-CLOUD-PLATFORM, US
15169 736 3278 65 GOOGLE, US
2907 633 2157 459 SINET-AS Research Organization of Infor
14618 582 3987 446 AMAZON-AES, US
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
2018 356 319 71 TENET-1, ZA
680 278 1965 244 DFN Verein zur Foerderung eines Deutsch
7896 252 51 7 NU-AS, US
36914 211 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 1358 1013 GOOGLE-CLOUD-PLATFORM, US
15169 736 671 GOOGLE, US
7497 432 408 CSTNET-AS-AP Computer Network Information Cente
2018 356 285 TENET-1, ZA
7896 252 245 NU-AS, US
36914 211 208 KENET-AS, KE
58647 201 199 KAGAWAU-AS Kagawa University, JP
5786 200 199 UPRENET, PR
8895 181 177 ISU Internet Services Unit ISU, SA
2907 633 174 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
22644 UNALLOCATED 147.140.64.32/27 14877 PENNREN, US
22644 UNALLOCATED 147.140.64.64/27 14877 PENNREN, US
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
395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, 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 /15:158 /16:2096 /17:448 /18:467
/19:698 /20:1841 /21:982 /22:1533 /23:1672 /24:12974
/25:80 /26:58 /27:58 /28:26 /29:90 /30:33
/31:25 /32:44
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 615 1925 AMAZON-02, US
15169 274 736 GOOGLE, US
36914 198 211 KENET-AS, KE
14618 193 582 AMAZON-AES, US
8895 176 181 ISU Internet Services Unit ISU, SA
396982 133 1358 GOOGLE-CLOUD-PLATFORM, US
27947 100 117 Telconet S.A, EC
23024 53 56 OCDE, US
36492 40 192 GOOGLEWIFI, US
58647 34 201 KAGAWAU-AS Kagawa University, JP
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 13:39
14:85 15:37 16:5 18:50 23:72 24:3
31:9 35:21 37:7 38:9 40:1 41:127
42:9 44:5 45:52 46:10 47:1 49:10
50:1 52:476 54:191 59:20 60:4 61:3
62:7 63:37 64:150 65:7 66:59 67:60
68:10 69:35 70:43 71:3 72:15 74:105
75:128 76:165 77:9 78:3 79:10 80:15
81:28 82:5 83:6 84:5 85:43 86:4
87:1 88:1 89:16 91:50 92:2 93:23
94:4 95:5 96:6 97:1 98:9 99:168
101:6 102:13 103:329 104:106 106:1 107:35
108:78 109:13 110:3 111:20 114:28 116:5
117:61 118:32 119:22 121:27 122:8 123:8
124:39 125:4 128:81 129:180 130:145 131:89
132:56 133:141 134:96 135:21 136:272 137:101
138:8 139:16 140:36 141:3 142:163 143:43
144:69 145:9 146:137 147:65 148:197 149:18
150:42 151:7 152:80 153:13 154:26 155:55
156:70 157:28 158:44 159:119 160:25 161:26
162:50 163:65 164:52 165:53 166:1 167:22
168:196 169:10 170:79 171:1 172:113 173:104
174:1 175:29 176:12 177:12 178:2 179:10
180:21 181:16 182:6 184:3 185:72 186:3
187:19 188:20 189:5 190:37 191:33 192:1430
193:277 194:123 195:82 196:152 197:116 198:478
199:289 200:231 201:36 202:634 203:425 204:345
205:190 206:220 207:182 208:97 209:150 210:183
211:13 212:149 213:15 216:152 217:20 218:22
219:6 220:16 222:5 223:3
End of report
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