[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Mon Jun 26 22:10:41 UTC 2023
IPv4 R&E Routing Table Report 22:10 GMT Mon 26 Jun, 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: 25232
Prefixes after maximum aggregation (per Origin AS): 12339
Deaggregation factor: 2.04
Unique aggregates announced (without unneeded subnets): 13969
Number of IPv4 prefixes with a valid ROA: 11272
Number of IPv4 prefixes with an invalid ROA: 196
Number of IPv4 prefixes with no ROA: 13764
Total ASes present in the Internet Routing Table: 2722
Prefixes per ASN: 9.27
Origin-only ASes present in the Internet Routing Table: 2342
Origin ASes announcing only one prefix: 1033
Transit ASes present in the Internet Routing Table: 380
Transit-only ASes present in the Internet Routing Table: 71
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: 20
Max AS path prepend of ASN (395156) 12
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: 42160
Number of 32-bit ASNs visible in the Routing Table: 623
Prefixes from 32-bit ASNs in the Routing Table: 4622
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: 7
Number of addresses announced to Internet: 243193384
Equivalent to 14 /8s, 126 /16s and 214 /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: 3410
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4613
Total APNIC prefixes after maximum aggregation: 2229
APNIC Deaggregation factor: 2.07
Prefixes being announced from the APNIC address blocks: 4657
Unique aggregates announced from the APNIC address blocks: 2591
APNIC Region origin ASes present in the Internet Routing Table: 529
APNIC Prefixes per ASN: 8.80
APNIC Region origin ASes announcing only one prefix: 220
APNIC Region transit ASes present in the Internet Routing Table: 56
Average APNIC Region AS path length visible: 5.6
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 197
Number of APNIC addresses announced to Internet: 45764416
Equivalent to 2 /8s, 186 /16s and 79 /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: 14231
Total ARIN prefixes after maximum aggregation: 6362
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 14019
Unique aggregates announced from the ARIN address blocks: 7134
ARIN Region origin ASes present in the Internet Routing Table: 1218
ARIN Prefixes per ASN: 11.51
ARIN Region origin ASes announcing only one prefix: 423
ARIN Region transit ASes present in the Internet Routing Table: 162
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: 132504737
Equivalent to 7 /8s, 229 /16s and 220 /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: 3644
Total RIPE prefixes after maximum aggregation: 2876
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3805
Unique aggregates announced from the RIPE address blocks: 3112
RIPE Region origin ASes present in the Internet Routing Table: 686
RIPE Prefixes per ASN: 5.55
RIPE Region origin ASes announcing only one prefix: 305
RIPE Region transit ASes present in the Internet Routing Table: 107
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 144
Number of RIPE addresses announced to Internet: 58010112
Equivalent to 3 /8s, 117 /16s and 42 /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: 1635
Total LACNIC prefixes after maximum aggregation: 690
LACNIC Deaggregation factor: 2.37
Prefixes being announced from the LACNIC address blocks: 1644
Unique aggregates announced from the LACNIC address blocks: 899
LACNIC Region origin ASes present in the Internet Routing Table: 161
LACNIC Prefixes per ASN: 10.21
LACNIC Region origin ASes announcing only one prefix: 58
LACNIC Region transit ASes present in the Internet Routing Table: 28
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: 65
Number of LACNIC addresses announced to Internet: 4238151
Equivalent to 0 /8s, 64 /16s and 171 /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: 1101
Total AfriNIC prefixes after maximum aggregation: 174
AfriNIC Deaggregation factor: 6.33
Prefixes being announced from the AfriNIC address blocks: 1100
Unique aggregates announced from the AfriNIC address blocks: 226
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 21.15
AfriNIC Region origin ASes announcing only one prefix: 27
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 2670080
Equivalent to 0 /8s, 40 /16s and 190 /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 606 2146 465 SINET-AS Research Organization of Infor
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
1237 193 74 139 KREONET-AS-KR KISTI, KR
58647 178 18 2 KAGAWAU-AS Kagawa University, JP
7575 176 329 120 AARNET-AS-AP Australian Academic and Re
4538 130 4192 73 ERX-CERNET-BKB China Education and Rese
55824 118 18 11 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 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 2667 3594 379 GOOGLE-CLOUD-PLATFORM, US
16509 2116 1684 830 AMAZON-02, US
15169 823 2253 62 GOOGLE, US
14618 789 4013 586 AMAZON-AES, US
5786 198 16 1 UPRENET, PR
376 192 178 148 RISQ-AS, CA
36492 157 11 35 GOOGLEWIFI, US
2152 143 507 93 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
81 128 521 31 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 1919 250 DFN Verein zur Foerderung eines Deutsch
786 186 1767 183 JANET Jisc Services Limited, GB
8895 176 24 5 ISU Internet Services Unit ISU, SA
559 112 533 104 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 259 192 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
27947 127 0 97 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 48 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
263282 36 4 11 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
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 260 82 3 KENET-AS, KE
327687 165 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 41 16 1 MoRENet, MZ
37215 37 8 1 MAREN, MW
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
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 2667 3594 379 GOOGLE-CLOUD-PLATFORM, US
16509 2116 1684 830 AMAZON-02, US
15169 823 2253 62 GOOGLE, US
14618 789 4013 586 AMAZON-AES, US
2907 606 2146 465 SINET-AS Research Organization of Infor
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
2018 382 319 72 TENET-1, ZA
680 284 1919 250 DFN Verein zur Foerderung eines Deutsch
36914 260 82 3 KENET-AS, KE
1916 259 192 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 2116 1286 AMAZON-02, US
15169 823 761 GOOGLE, US
7497 435 412 CSTNET-AS-AP Computer Network Information Cente
2018 382 310 TENET-1, ZA
36914 260 257 KENET-AS, KE
1916 259 216 Rede Nacional de Ensino e Pesquisa, BR
14618 789 203 AMAZON-AES, US
5786 198 197 UPRENET, PR
58647 178 176 KAGAWAU-AS Kagawa University, JP
8895 176 171 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
29867 UNALLOCATED 64.202.80.0/20 22742 CT-EDU-NET, US
138933 UNALLOCATED 103.137.86.0/24 24490 TEIN2-SG-AP Trans-Eurasia In
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
29867 UNALLOCATED 192.160.243.0/24 22742 CT-EDU-NET, US
29867 UNALLOCATED 192.160.244.0/24 22742 CT-EDU-NET, US
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
64.202.80.0/20 Origin: 29867 UNASSIGNED
64.202.80.0/20 Transit: 22742 CT-EDU-NET, US
76.76.19.0/24 Origin: 16509 AMAZON-02, US
76.76.19.0/24 Transit: 27750 Cooperacion Latino Americana de Redes Av
102.36.194.0/23 Origin: 2018 TENET-1, ZA
102.36.194.0/23 Transit: 27750 Cooperacion Latino Americana de Redes Av
103.137.86.0/24 Origin: 138933 UNASSIGNED
103.137.86.0/24 Transit: 24490 TEIN2-SG-AP Trans-Eurasia Information Ne
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
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 /15:161 /16:2082 /17:497 /18:477
/19:722 /20:2769 /21:1029 /22:1634 /23:1711 /24:13550
/25:94 /26:75 /27:91 /28:22 /29:87 /30:41
/31:36 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 288 2116 AMAZON-02, US
15169 273 823 GOOGLE, US
14618 256 789 AMAZON-AES, US
36914 248 260 KENET-AS, KE
396982 195 2667 GOOGLE-CLOUD-PLATFORM, US
8895 171 176 ISU Internet Services Unit ISU, SA
27947 100 127 Telconet S.A, EC
32440 79 108 LONI, US
23024 52 113 OCDE, US
1916 39 259 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 3:75 5:18 8:28 12:1 13:45
14:89 15:69 16:108 18:55 23:113 24:3
31:10 34:18 35:47 38:9 40:1 41:146
42:10 44:8 45:55 46:11 47:1 49:6
50:2 52:558 54:228 59:19 60:4 61:3
62:12 63:36 64:167 65:13 66:66 67:60
68:10 69:35 70:43 71:3 72:13 74:143
76:46 77:11 78:3 79:10 80:14 81:26
82:7 83:6 84:10 85:45 86:10 87:2
88:1 89:18 91:56 92:4 93:4 94:4
95:2 96:2 97:1 98:11 99:47 101:3
102:31 103:263 104:209 107:33 108:101 109:12
111:16 114:31 115:1 116:8 117:61 118:32
119:18 121:29 122:8 123:8 124:38 125:4
128:87 129:45 130:141 131:57 132:64 133:155
134:104 135:4 136:295 137:148 138:12 139:18
140:36 141:4 142:273 143:21 144:39 145:2
146:143 147:65 148:201 149:16 150:40 151:14
152:146 153:14 154:31 155:75 156:69 157:28
158:41 159:148 160:26 161:34 162:86 163:81
164:20 165:55 166:1 167:23 168:159 169:12
170:114 171:1 172:114 173:112 174:2 175:19
176:11 177:5 178:1 179:9 180:15 182:1
184:3 185:100 186:3 187:18 188:19 189:3
190:5 191:36 192:1464 193:308 194:128 195:87
196:204 197:165 198:486 199:305 200:297 201:36
202:632 203:430 204:367 205:138 206:199 207:188
208:128 209:162 210:184 211:3 212:171 213:15
216:168 217:11 218:22 219:6 220:16 222:3
223:14
End of report
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