[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Aug 14 22:10:41 UTC 2023
IPv4 R&E Routing Table Report 22:10 GMT Mon 14 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: 25140
Prefixes after maximum aggregation (per Origin AS): 12357
Deaggregation factor: 2.03
Unique aggregates announced (without unneeded subnets): 13981
Number of IPv4 prefixes with a valid ROA: 11446
Number of IPv4 prefixes with an invalid ROA: 192
Number of IPv4 prefixes with no ROA: 13502
Total ASes present in the Internet Routing Table: 2708
Prefixes per ASN: 9.28
Origin-only ASes present in the Internet Routing Table: 2318
Origin ASes announcing only one prefix: 1023
Transit ASes present in the Internet Routing Table: 390
Transit-only ASes present in the Internet Routing Table: 76
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: 16
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: 42430
Number of 32-bit ASNs visible in the Routing Table: 617
Prefixes from 32-bit ASNs in the Routing Table: 4636
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: 241153512
Equivalent to 14 /8s, 95 /16s and 181 /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: 99.6
Total number of prefixes smaller than registry allocations: 3351
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4663
Total APNIC prefixes after maximum aggregation: 2276
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4707
Unique aggregates announced from the APNIC address blocks: 2636
APNIC Region origin ASes present in the Internet Routing Table: 539
APNIC Prefixes per ASN: 8.73
APNIC Region origin ASes announcing only one prefix: 223
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: 203
Number of APNIC addresses announced to Internet: 44990784
Equivalent to 2 /8s, 174 /16s and 129 /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: 14347
Total ARIN prefixes after maximum aggregation: 6428
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 14135
Unique aggregates announced from the ARIN address blocks: 7195
ARIN Region origin ASes present in the Internet Routing Table: 1226
ARIN Prefixes per ASN: 11.53
ARIN Region origin ASes announcing only one prefix: 423
ARIN Region transit ASes present in the Internet Routing Table: 165
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 191
Number of ARIN addresses announced to Internet: 131620385
Equivalent to 7 /8s, 216 /16s and 94 /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: 3624
Total RIPE prefixes after maximum aggregation: 2867
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: 685
RIPE Prefixes per ASN: 5.53
RIPE Region origin ASes announcing only one prefix: 304
RIPE Region transit ASes present in the Internet Routing Table: 105
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: 144
Number of RIPE addresses announced to Internet: 57880320
Equivalent to 3 /8s, 115 /16s and 47 /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
196608-216475
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: 1448
Total LACNIC prefixes after maximum aggregation: 614
LACNIC Deaggregation factor: 2.36
Prefixes being announced from the LACNIC address blocks: 1453
Unique aggregates announced from the LACNIC address blocks: 819
LACNIC Region origin ASes present in the Internet Routing Table: 130
LACNIC Prefixes per ASN: 11.18
LACNIC Region origin ASes announcing only one prefix: 48
LACNIC Region transit ASes present in the Internet Routing Table: 27
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 54
Number of LACNIC addresses announced to Internet: 3996295
Equivalent to 0 /8s, 60 /16s and 250 /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: 1054
Total AfriNIC prefixes after maximum aggregation: 168
AfriNIC Deaggregation factor: 6.27
Prefixes being announced from the AfriNIC address blocks: 1054
Unique aggregates announced from the AfriNIC address blocks: 221
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 21.51
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: 4.3
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25
Number of AfriNIC addresses announced to Internet: 2664448
Equivalent to 0 /8s, 40 /16s and 168 /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 2162 465 SINET-AS Research Organization of Infor
7497 433 180 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 125 18 17 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 61 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 2685 3596 388 GOOGLE-CLOUD-PLATFORM, US
16509 2145 1702 851 AMAZON-02, US
15169 825 1997 61 GOOGLE, US
14618 803 4015 600 AMAZON-AES, US
376 202 178 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
36492 157 11 35 GOOGLEWIFI, US
2152 148 507 92 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
81 127 521 30 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 162 24 5 ISU Internet Services Unit ISU, SA
559 113 533 105 SWITCH Peering requests: peering at switch
1103 94 1502 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 81 661 76 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 125 0 95 Telconet S.A, EC
11340 115 25 52 Red Universitaria Nacional, CL
271640 73 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
28614 38 2 2 Fundacao Universidade Regional de Blume
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 370 319 71 TENET-1, ZA
36914 260 82 3 KENET-AS, KE
327687 163 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 14 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 2685 3596 388 GOOGLE-CLOUD-PLATFORM, US
16509 2145 1702 851 AMAZON-02, US
15169 825 1997 61 GOOGLE, US
14618 803 4015 600 AMAZON-AES, US
2907 608 2162 465 SINET-AS Research Organization of Infor
7497 433 180 23 CSTNET-AS-AP Computer Network Informati
2018 370 319 71 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 260 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 2145 1294 AMAZON-02, US
15169 825 764 GOOGLE, US
7497 433 410 CSTNET-AS-AP Computer Network Information Cente
2018 370 299 TENET-1, ZA
36914 260 257 KENET-AS, KE
1916 260 217 Rede Nacional de Ensino e Pesquisa, BR
14618 803 203 AMAZON-AES, US
5786 197 196 UPRENET, PR
58647 178 176 KAGAWAU-AS Kagawa University, JP
327687 163 160 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 RESERVED, ZZ
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 /12:18
/13:34 /14:81 /15:161 /16:2085 /17:506 /18:480
/19:729 /20:2760 /21:1002 /22:1626 /23:1700 /24:13510
/25:93 /26:72 /27:80 /28:21 /29:86 /30:41
/31:35 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 299 2145 AMAZON-02, US
15169 274 825 GOOGLE, US
14618 263 803 AMAZON-AES, US
36914 248 260 KENET-AS, KE
396982 198 2685 GOOGLE-CLOUD-PLATFORM, US
8895 157 162 ISU Internet Services Unit ISU, SA
27947 98 125 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 3:74 5:20 8:28 12:1 13:45
14:89 15:69 16:112 18:57 23:111 24:3
31:10 34:20 35:47 38:9 40:1 41:117
42:10 43:1 44:8 45:54 46:11 47:1
49:9 50:2 52:558 54:228 58:1 59:19
60:4 61:3 62:11 63:36 64:162 65:13
66:69 67:60 68:10 69:36 70:44 71:3
72:11 74:143 76:46 77:11 78:3 79:10
80:14 81:26 82:7 83:6 84:10 85:46
86:10 87:2 88:1 89:17 91:57 92:4
93:4 94:4 95:2 96:7 97:1 98:12
99:47 101:3 102:32 103:279 104:217 107:33
108:103 109:12 111:16 114:31 115:1 116:8
117:61 118:32 119:18 121:28 122:8 123:8
124:38 125:4 128:87 129:51 130:142 131:60
132:60 133:155 134:105 135:3 136:294 137:146
138:11 139:17 140:38 141:4 142:276 143:21
144:39 145:3 146:143 147:66 148:200 149:17
150:43 151:14 152:139 153:14 154:31 155:73
156:69 157:23 158:43 159:148 160:29 161:36
162:86 163:84 164:20 165:51 166:1 167:22
168:142 169:12 170:69 171:1 172:114 173:113
174:2 175:27 176:11 177:5 178:1 179:7
180:15 182:1 184:3 185:104 186:3 187:18
188:19 189:3 190:4 191:13 192:1470 193:308
194:125 195:86 196:202 197:165 198:487 199:305
200:287 201:36 202:627 203:431 204:370 205:147
206:204 207:190 208:128 209:164 210:189 211:15
212:170 213:15 216:166 217:12 218:22 219:5
220:16 222:2 223:14
End of report
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