[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RedCLARA (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Mon Nov 13 22:15:36 UTC 2023


IPv4 R&E Routing Table Report   22:15 GMT Mon 13 Nov, 2023

  IPv4 BGP Table (R&E) as seen at RedCLARA.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/RedCLARA/

Analysis Summary
----------------

BGP routing table entries examined:                               18513
    Prefixes after maximum aggregation (per Origin AS):           10358
    Deaggregation factor:                                          1.79
    Unique aggregates announced (without unneeded subnets):       11402
    Number of IPv4 prefixes with a valid ROA:                      5239
    Number of IPv4 prefixes with an invalid ROA:                     43
    Number of IPv4 prefixes with no ROA:                          13231
Total ASes present in the Internet Routing Table:                  2741
    Prefixes per ASN:                                              6.75
Origin-only ASes present in the Internet Routing Table:            2362
Origin ASes announcing only one prefix:                            1049
Transit ASes present in the Internet Routing Table:                 379
Transit-only ASes present in the Internet Routing Table:             71
Paths with bogon ASNs present in the IPv4 Routing Table:             87
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                92
    Number of instances of unregistered ASNs:                        92
Number of 32-bit ASNs allocated by the RIRs:                      43043
Number of 32-bit ASNs visible in the Routing Table:                 641
Prefixes from 32-bit ASNs in the Routing Table:                    1960
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:              3
Number of addresses announced to Internet:                    201957489
    Equivalent to 12 /8s, 9 /16s and 160 /24s
    Percentage of available address space announced:                5.5
    Percentage of allocated address space announced:                5.5
    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:        2141

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     4664
    Total APNIC prefixes after maximum aggregation:                2283
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4662
    Unique aggregates announced from the APNIC address blocks:     2597
APNIC Region origin ASes present in the Internet Routing Table:     539
    APNIC Prefixes per ASN:                                        8.65
APNIC Region origin ASes announcing only one prefix:                226
APNIC Region transit ASes present in the Internet Routing Table:     59
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    204
Number of APNIC addresses announced to Internet:               45564480
    Equivalent to 2 /8s, 183 /16s and 66 /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:                      7701
    Total ARIN prefixes after maximum aggregation:                 4442
    ARIN Deaggregation factor:                                     1.73
Prefixes being announced from the ARIN address blocks:             7728
    Unique aggregates announced from the ARIN address blocks:      4914
ARIN Region origin ASes present in the Internet Routing Table:     1216
    ARIN Prefixes per ASN:                                         6.36
ARIN Region origin ASes announcing only one prefix:                 428
ARIN Region transit ASes present in the Internet Routing Table:     159
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     192
Number of ARIN addresses announced to Internet:                91588992
    Equivalent to 5 /8s, 117 /16s and 137 /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:                      3563
    Total RIPE prefixes after maximum aggregation:                 2818
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3550
    Unique aggregates announced from the RIPE address blocks:      2875
RIPE Region origin ASes present in the Internet Routing Table:      686
    RIPE Prefixes per ASN:                                         5.17
RIPE Region origin ASes announcing only one prefix:                 305
RIPE Region transit ASes present in the Internet Routing Table:     102
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     147
Number of RIPE addresses announced to Internet:                57844992
    Equivalent to 3 /8s, 114 /16s and 165 /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:                    1434
    Total LACNIC prefixes after maximum aggregation:                595
    LACNIC Deaggregation factor:                                   2.41
Prefixes being announced from the LACNIC address blocks:           1511
    Unique aggregates announced from the LACNIC address blocks:     788
LACNIC Region origin ASes present in the Internet Routing Table:    172
    LACNIC Prefixes per ASN:                                       8.78
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:                       3.9
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    72
Number of LACNIC addresses announced to Internet:               4231089
    Equivalent to 0 /8s, 64 /16s and 143 /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:                   1059
    Total AfriNIC prefixes after maximum aggregation:               171
    AfriNIC Deaggregation factor:                                  6.19
Prefixes being announced from the AfriNIC address blocks:          1059
    Unique aggregates announced from the AfriNIC address blocks:    225
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     21.18
AfriNIC Region origin ASes announcing only one prefix:               25
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      3.3
    Max AfriNIC Region AS path length visible:                        8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2661888
    Equivalent to 0 /8s, 40 /16s and 158 /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         603       2162     466  SINET-AS Research Organization of Infor
  7497         437        180      23  CSTNET-AS-AP Computer Network Informati
  1237         196         74     142  KREONET-AS-KR KISTI, KR
 58647         177         18       2  KAGAWAU-AS Kagawa University, JP
  7575         176        329     119  AARNET-AS-AP Australian Academic and Re
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         127         19      17  NKN-CORE-NW NKN Core Network, IN
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          69         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         202        178     151  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
  2152         142        507      91  CSUNET-NW, US
 18558         141         18       4  NETBLK-RCOEK, US
    81         127        521      30  NCREN, US
   270         118        329      82  AS270, US
 23024         112          7      19  OCDE, US
 32440         111         35      18  LONI, US
  2920         103         34       7  LACOE, US
 21976          80         51      18  NJEDGE-NET, US

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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         185       1767     182  JANET Jisc Services Limited, GB
  8895         159         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          76        462      76  BELWUE BelWue-Koordination, DE
  3267          68         69      49  RUNNET, RU
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         172        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         104         24      48  Red Universitaria Nacional, CL
271640          68          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          51         17       4  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
 61468          47          3      14  CEDIA, EC
  2715          44         99      34  Fundacao Carlos Chagas Filho de Amparo 
 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/RedCLARA/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         380        319      71  TENET-1, ZA
 36914         245         82       3  KENET-AS, KE
327687         166         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          14          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA
 37654          11          1       6  RwEdNet-AS, RW

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         603       2162     466  SINET-AS Research Organization of Infor
  7497         437        180      23  CSTNET-AS-AP Computer Network Informati
  2018         380        319      71  TENET-1, ZA
   680         283       1903     249  DFN Verein zur Foerderung eines Deutsch
 36914         245         82       3  KENET-AS, KE
   376         202        178     151  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
  1237         196         74     142  KREONET-AS-KR KISTI, KR
   786         185       1767     182  JANET Jisc Services Limited, GB
 58647         177         18       2  KAGAWAU-AS Kagawa University, JP

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  7497         437          414  CSTNET-AS-AP Computer Network Information Cente
  2018         380          309  TENET-1, ZA
 36914         245          242  KENET-AS, KE
  5786         197          196  UPRENET, PR
 58647         177          175  KAGAWAU-AS Kagawa University, JP
327687         166          163  RENU, UG
  8895         159          154  ISU Internet Services Unit ISU, SA
 18558         141          137  NETBLK-RCOEK, US
  1916         172          129  Rede Nacional de Ensino e Pesquisa, BR
 65085         154          118  -Private Use AS-, ZZ

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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
     65248  PRIVATE      134.171.169.0/24         11340  Red Universitaria Nacional, 
     65101  PRIVATE      137.54.122.0/23            225  VIRGINIA-AS, US
     65200  PRIVATE      170.140.99.0/24          10490  SOUTHERN-CROSSROADS-SOX, US
     11570  UNALLOCATED  192.94.216.0/24          40498  ABQG, US
     11570  UNALLOCATED  192.207.226.0/24         40498  ABQG, US
     11570  UNALLOCATED  198.59.106.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.107.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.108.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.188.0/24          40498  ABQG, US

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-badAS

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
134.208.0.0/16       Origin:     17711  NDHU-TW National Dong Hwa University, TW
134.208.0.0/16      Transit:      7539  TWAREN-TW National Center for High-perfo
192.31.196.0/24      Origin:       112  RESERVED, ZZ
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
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/RedCLARA/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       /11:1       /12:10      
/13:18      /14:35      /15:121     /16:1976    /17:423     /18:437     
/19:568     /20:837     /21:827     /22:1467    /23:1505    /24:10022   
/25:87      /26:67      /27:71      /28:7       /29:16      /30:9       
/31:0       /32:6       

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 36914         234         245  KENET-AS, KE
  8895         154         159  ISU Internet Services Unit ISU, SA
 32440          81         111  LONI, US
 23024          52         112  OCDE, US
327700          35          40  MoRENet, MZ
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          32          55  SEAP-AGE, ES
 25977          30          44  HCCS, US
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2         5:15        8:2        12:1        14:89       23:5      
  24:3        31:7        35:6        38:9        40:1        41:115    
  42:10       44:7        45:43       46:5        47:1        49:9      
  50:1        52:1        58:1        59:19       60:5        61:3      
  62:11       63:32       64:48       65:1        66:39       67:41     
  68:9        69:17       70:2        71:1        72:7        74:49     
  76:41       77:9        78:3        79:10       80:12       81:25     
  82:7        83:6        84:8        85:27       86:4        87:1      
  89:10       91:50       92:2        93:4        94:4        95:2      
  96:5        97:1        98:2       101:2       102:34      103:269    
 104:75      108:8       109:9       111:16      114:23      116:6      
 117:61      118:32      119:18      121:28      122:8       123:8      
 124:40      125:4       128:88      129:47      130:85      131:64     
 132:64      133:152     134:106     136:196     137:129     138:9      
 139:5       140:37      141:3       142:38      143:22      144:23     
 145:2       146:132     147:54      148:193     149:11      150:44     
 151:12      152:133     153:14      154:30      155:63      156:65     
 157:18      158:33      159:115     160:30      161:17      162:20     
 163:78      164:13      165:47      166:1       167:13      168:121    
 169:8       170:78      171:1       172:3       173:7       175:18     
 176:8       177:6       179:12      180:15      181:1       182:1      
 184:3       185:56      186:3       187:18      188:13      189:3      
 190:20      191:13      192:1433    193:289     194:127     195:81     
 196:201     197:161     198:455     199:248     200:323     201:39     
 202:620     203:427     204:347     205:124     206:187     207:149    
 208:73      209:108     210:194     211:14      212:160     213:5      
 216:84      217:9       218:22      219:5       220:16      222:2      
 223:14     

End of report


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