[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Aug 11 22:10:42 UTC 2023
IPv4 R&E Routing Table Report 22:10 GMT Fri 11 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: 25306
Prefixes after maximum aggregation (per Origin AS): 12432
Deaggregation factor: 2.04
Unique aggregates announced (without unneeded subnets): 14049
Number of IPv4 prefixes with a valid ROA: 11617
Number of IPv4 prefixes with an invalid ROA: 196
Number of IPv4 prefixes with no ROA: 13493
Total ASes present in the Internet Routing Table: 2737
Prefixes per ASN: 9.25
Origin-only ASes present in the Internet Routing Table: 2349
Origin ASes announcing only one prefix: 1030
Transit ASes present in the Internet Routing Table: 388
Transit-only ASes present in the Internet Routing Table: 75
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: 42407
Number of 32-bit ASNs visible in the Routing Table: 628
Prefixes from 32-bit ASNs in the Routing Table: 4662
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: 241761768
Equivalent to 14 /8s, 104 /16s and 253 /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: 3357
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4666
Total APNIC prefixes after maximum aggregation: 2279
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4710
Unique aggregates announced from the APNIC address blocks: 2642
APNIC Region origin ASes present in the Internet Routing Table: 541
APNIC Prefixes per ASN: 8.71
APNIC Region origin ASes announcing only one prefix: 224
APNIC Region transit ASes present in the Internet Routing Table: 58
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: 204
Number of APNIC addresses announced to Internet: 45712960
Equivalent to 2 /8s, 185 /16s and 134 /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: 6421
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 14119
Unique aggregates announced from the ARIN address blocks: 7185
ARIN Region origin ASes present in the Internet Routing Table: 1224
ARIN Prefixes per ASN: 11.54
ARIN Region origin ASes announcing only one prefix: 424
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: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 189
Number of ARIN addresses announced to Internet: 131212833
Equivalent to 7 /8s, 210 /16s and 38 /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: 3618
Total RIPE prefixes after maximum aggregation: 2864
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3780
Unique aggregates announced from the RIPE address blocks: 3102
RIPE Region origin ASes present in the Internet Routing Table: 682
RIPE Prefixes per ASN: 5.54
RIPE Region origin ASes announcing only one prefix: 303
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: 57936896
Equivalent to 3 /8s, 116 /16s and 12 /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: 1635
Total LACNIC prefixes after maximum aggregation: 696
LACNIC Deaggregation factor: 2.35
Prefixes being announced from the LACNIC address blocks: 1640
Unique aggregates announced from the LACNIC address blocks: 894
LACNIC Region origin ASes present in the Internet Routing Table: 164
LACNIC Prefixes per ASN: 10.00
LACNIC Region origin ASes announcing only one prefix: 55
LACNIC Region transit ASes present in the Internet Routing Table: 29
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: 67
Number of LACNIC addresses announced to Internet: 4253575
Equivalent to 0 /8s, 64 /16s and 231 /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: 1052
Total AfriNIC prefixes after maximum aggregation: 168
AfriNIC Deaggregation factor: 6.26
Prefixes being announced from the AfriNIC address blocks: 1052
Unique aggregates announced from the AfriNIC address blocks: 221
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 21.92
AfriNIC Region origin ASes announcing only one prefix: 24
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: 24
Number of AfriNIC addresses announced to Internet: 2644224
Equivalent to 0 /8s, 40 /16s and 89 /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 605 2146 464 SINET-AS Research Organization of Infor
7497 432 180 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 2684 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
81 118 458 28 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
680 284 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
559 113 533 105 SWITCH Peering requests: peering at switch
1103 94 1502 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 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 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
4270 48 16 1 Red de Interconexion Universitaria, AR
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
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 261 82 3 KENET-AS, KE
327687 165 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 40 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 2684 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 605 2146 464 SINET-AS Research Organization of Infor
7497 432 180 23 CSTNET-AS-AP Computer Network Informati
2018 370 319 71 TENET-1, ZA
680 284 1903 249 DFN Verein zur Foerderung eines Deutsch
36914 261 82 3 KENET-AS, KE
1916 260 176 43 Rede Nacional de Ensino e Pesquisa, BR
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 432 409 CSTNET-AS-AP Computer Network Information Cente
2018 370 299 TENET-1, ZA
36914 261 258 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 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 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 /12:19
/13:34 /14:81 /15:161 /16:2080 /17:506 /18:479
/19:727 /20:2772 /21:1018 /22:1644 /23:1705 /24:13631
/25:94 /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 249 261 KENET-AS, KE
396982 198 2684 GOOGLE-CLOUD-PLATFORM, US
8895 158 163 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 41:116
42:10 43:1 44:8 45:59 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
99:47 101:3 102:32 103:284 104:217 107:33
108:103 109:12 111:16 114:31 115:1 116:8
117:61 118:32 119:18 121:28 122:8 123:8
124:39 125:4 128:87 129:48 130:142 131:59
132:60 133:155 134:105 135:3 136:294 137:147
138:11 139:17 140:38 141:4 142:276 143:21
144:39 145:3 146:143 147:67 148:200 149:17
150:43 151:14 152:136 153:14 154:30 155:73
156:69 157:23 158:43 159:147 160:29 161:36
162:87 163:85 164:20 165:51 166:1 167:22
168:160 169:12 170:120 171:1 172:114 173:113
174:2 175:27 176:11 177:5 178:1 179:9
180:15 182:1 184:2 185:103 186:3 187:18
188:19 189:3 190:5 191:13 192:1470 193:309
194:120 195:86 196:204 197:168 198:487 199:306
200:332 201:36 202:627 203:430 204:370 205:147
206:204 207:190 208:128 209:164 210:190 211:14
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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