[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UbuntuNet Alliance (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Dec 4 18:30:38 UTC 2024
IPv4 R&E Routing Table Report 18:30 GMT Wed 04 Dec, 2024
IPv4 BGP Table (R&E) as seen at UbuntuNet Alliance.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/UbuntuNet/
Analysis Summary
----------------
BGP routing table entries examined: 1367
Prefixes after maximum aggregation (per Origin AS): 408
Deaggregation factor: 3.35
Unique aggregates announced (without unneeded subnets): 470
Number of IPv4 prefixes with a valid ROA: 624
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 743
Total ASes present in the Internet Routing Table: 239
Prefixes per ASN: 5.72
Origin-only ASes present in the Internet Routing Table: 149
Origin ASes announcing only one prefix: 92
Transit ASes present in the Internet Routing Table: 90
Transit-only ASes present in the Internet Routing Table: 67
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.3
Max AS path length visible: 13
Max AS path prepend of ASN ( 45768) 8
Prefixes from unregistered ASNs in the Routing Table: 0
Number of instances of unregistered ASNs: 0
Number of 32-bit ASNs allocated by the RIRs: 45950
Number of 32-bit ASNs visible in the Routing Table: 52
Prefixes from 32-bit ASNs in the Routing Table: 90
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: 0
Number of addresses announced to Internet: 24045312
Equivalent to 1 /8s, 110 /16s and 231 /24s
Percentage of available address space announced: 0.6
Percentage of allocated address space announced: 0.6
Percentage of available address space allocated: 100.1
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 119
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 539
Total APNIC prefixes after maximum aggregation: 80
APNIC Deaggregation factor: 6.74
Prefixes being announced from the APNIC address blocks: 539
Unique aggregates announced from the APNIC address blocks: 83
APNIC Region origin ASes present in the Internet Routing Table: 32
APNIC Prefixes per ASN: 16.84
APNIC Region origin ASes announcing only one prefix: 11
APNIC Region transit ASes present in the Internet Routing Table: 18
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 11
Number of APNIC region 32-bit ASNs visible in the Routing Table: 6
Number of APNIC addresses announced to Internet: 4357632
Equivalent to 0 /8s, 66 /16s and 126 /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: 138
Total ARIN prefixes after maximum aggregation: 100
ARIN Deaggregation factor: 1.38
Prefixes being announced from the ARIN address blocks: 144
Unique aggregates announced from the ARIN address blocks: 120
ARIN Region origin ASes present in the Internet Routing Table: 49
ARIN Prefixes per ASN: 2.94
ARIN Region origin ASes announcing only one prefix: 31
ARIN Region transit ASes present in the Internet Routing Table: 22
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 8
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 16957696
Equivalent to 1 /8s, 2 /16s and 193 /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, 393216-402332
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, 45/8, 47/8, 48/8, 50/8, 52/8,
54/8, 55/8, 56/8, 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: 115
Total RIPE prefixes after maximum aggregation: 81
RIPE Deaggregation factor: 1.42
Prefixes being announced from the RIPE address blocks: 109
Unique aggregates announced from the RIPE address blocks: 91
RIPE Region origin ASes present in the Internet Routing Table: 55
RIPE Prefixes per ASN: 1.98
RIPE Region origin ASes announcing only one prefix: 31
RIPE Region transit ASes present in the Internet Routing Table: 24
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 10
Number of RIPE region 32-bit ASNs visible in the Routing Table: 13
Number of RIPE addresses announced to Internet: 379904
Equivalent to 0 /8s, 5 /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
196608-216475
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
53/8, 57/8, 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: 29
Total LACNIC prefixes after maximum aggregation: 17
LACNIC Deaggregation factor: 1.71
Prefixes being announced from the LACNIC address blocks: 29
Unique aggregates announced from the LACNIC address blocks: 18
LACNIC Region origin ASes present in the Internet Routing Table: 14
LACNIC Prefixes per ASN: 2.07
LACNIC Region origin ASes announcing only one prefix: 9
LACNIC Region transit ASes present in the Internet Routing Table: 6
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 12
Number of LACNIC addresses announced to Internet: 8960
Equivalent to 0 /8s, 0 /16s and 35 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 546
Total AfriNIC prefixes after maximum aggregation: 130
AfriNIC Deaggregation factor: 4.20
Prefixes being announced from the AfriNIC address blocks: 546
Unique aggregates announced from the AfriNIC address blocks: 158
AfriNIC Region origin ASes present in the Internet Routing Table: 22
AfriNIC Prefixes per ASN: 24.82
AfriNIC Region origin ASes announcing only one prefix: 10
AfriNIC Region transit ASes present in the Internet Routing Table: 7
Average AfriNIC Region AS path length visible: 2.2
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 9
Number of AfriNIC addresses announced to Internet: 2341120
Equivalent to 0 /8s, 35 /16s and 185 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 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
7497 257 122 8 CSTNET-AS-AP Computer Network Information
55824 106 16 4 NKN-CORE-NW NKN Core Network, IN
38280 50 3 2 MONASHUNI-MY-AS-AP Monash University Sunw
4538 25 848 10 ERX-CERNET-BKB China Education and Resear
18422 16 17 2 ITRINET-AS-TW Industrial Technology Resea
9270 15 2 7 APAN-KR-AS National Infomation Society Ag
7560 9 1 5 CHONBUK-AS Jeonbuk National University, K
55847 7 0 6 NKN-EDGE-NW NKN EDGE Network, IN
24151 4 0 3 CNNIC-CRITICAL-AP China Internet Network
24348 4 64 4 CNGI-BJ-IX2-AS-AP CERNET2 IX at Tsinghua
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
237 34 299 19 MERIT-AS-14, US
3 25 400 11 MIT-GATEWAYS, US
36375 9 120 5 UMICH-AS-5, US
26499 6 1 5 VATECH-DCMETRO, US
3685 4 3 4 BUFFALO-ASN, US
103 3 0 3 NWU-AS, US
231 3 192 2 MISU-231, US
13796 3 22 3 UCONN-ARIN, US
7377 2 3072 2 UCSD, US
22742 2 1 2 CT-EDU-NET, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
60187 13 4 5 LGFL-AS, GB
47623 11 1 1 IIAP-ASNET-AS, AM
31638 6 0 3 ASN-LEPIDA, IT
5567 4 6 4 AS5567, RU
208178 4 0 1 NLR, RU
1213 3 17 3 HEANET, IE
3218 3 1 1 COSMOS-3218-AS AS-COSMOS root, RU
3241 3 0 2 EDI, LV
5386 3 1 1 COSMOS-SN-AS SpaceNet, RU
8326 3 4 3 PL-BYDMAN-EDU Educational Users, PL
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
269224 7 0 1 Universidade La Salle, BR
61468 5 0 3 CEDIA, EC
268334 3 0 2 Fundacao Universidade Alto Vale do Rio do
269825 3 0 1 UNIVERSIDAD DE LAS AMERICAS, EC
268839 2 0 1 Associacao Pro Ensino Superior em Novo Ha
22724 1 0 1 PUNTONET S.A., EC
265884 1 0 1 CONSEJO NACIONAL DE INVESTIGACIONES CIENT
267630 1 0 1 UNIVERSIDADE ESTADUAL DO MARANHAO, BR
268005 1 0 1 Epagri - Emp. Pesq. Agrop. e Ext. Rural d
268118 1 0 1 UNIVERSIDADE FEDERAL DE SANTA MARIA, BR
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 380 319 70 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
37215 32 8 1 MAREN, MW
36914 27 82 3 KENET-AS, KE
327700 16 16 1 MoRENet, MZ
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
37654 6 0 5 RwEdNet-AS, RW
37520 3 16 3 Rhodes-Univ, ZA
37182 2 0 2 TERNET, TZ
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 380 319 70 TENET-1, ZA
7497 257 122 8 CSTNET-AS-AP Computer Network Information
55824 106 16 4 NKN-CORE-NW NKN Core Network, IN
38280 50 3 2 MONASHUNI-MY-AS-AP Monash University Sunw
8094 47 48 18 PUKNET, ZA
237 34 299 19 MERIT-AS-14, US
37215 32 8 1 MAREN, MW
36914 27 82 3 KENET-AS, KE
3 25 400 11 MIT-GATEWAYS, US
4538 25 848 10 ERX-CERNET-BKB China Education and Resear
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 257 249 CSTNET-AS-AP Computer Network Information Cente
55824 106 102 NKN-CORE-NW NKN Core Network, IN
38280 50 48 MONASHUNI-MY-AS-AP Monash University Sunway Cam
37215 32 31 MAREN, MW
8094 47 29 PUKNET, ZA
36914 27 24 KENET-AS, KE
237 34 15 MERIT-AS-14, US
4538 25 15 ERX-CERNET-BKB China Education and Research Net
327700 16 15 MoRENet, MZ
3 25 14 MIT-GATEWAYS, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-CIDRnet
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 /10:1 /11:0 /12:2
/13:2 /14:6 /15:14 /16:87 /17:38 /18:29
/19:40 /20:41 /21:61 /22:122 /23:118 /24:805
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
37215 26 32 MAREN, MW
36914 17 27 KENET-AS, KE
327700 15 16 MoRENet, MZ
60187 11 13 LGFL-AS, GB
47623 10 11 IIAP-ASNET-AS, AM
31638 6 6 ASN-LEPIDA, IT
2018 4 380 TENET-1, ZA
3241 3 3 EDI, LV
36599 2 2 SOFTETHER-AMERICA, US
37182 2 2 TERNET, TZ
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 8:2 12:1 14:92 23:6
24:3 31:1 35:3 37:8 38:8 41:54
42:11 44:4 45:45 46:1 47:1 49:10
50:2 52:1 59:19 60:5 61:3 62:1
89:4 101:1 102:1 114:7 116:6 118:32
119:22 124:42 143:7 146:11 152:9 154:31
155:15 156:1 159:96 168:45 192:19 196:140
197:3 198:14 199:1
End of report
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