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

REN Routing Table Report cscora at frr.nsrc.org
Sun Feb 12 22:15:38 UTC 2023


IPv4 R&E Routing Table Report   22:15 GMT Sun 12 Feb, 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:                               18472
    Prefixes after maximum aggregation (per Origin AS):           10431
    Deaggregation factor:                                          1.77
    Unique aggregates announced (without unneeded subnets):       11640
    Number of IPv4 prefixes with a valid ROA:                      4440
    Number of IPv4 prefixes with an invalid ROA:                     72
    Number of IPv4 prefixes with no ROA:                          13960
Total ASes present in the Internet Routing Table:                  2750
    Prefixes per ASN:                                              6.72
Origin-only ASes present in the Internet Routing Table:            2377
Origin ASes announcing only one prefix:                            1044
Transit ASes present in the Internet Routing Table:                 373
Transit-only ASes present in the Internet Routing Table:             64
Paths with bogon ASNs present in the IPv4 Routing Table:              2
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      19
    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:                      41186
Number of 32-bit ASNs visible in the Routing Table:                 637
Prefixes from 32-bit ASNs in the Routing Table:                    1786
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:              2
Number of addresses announced to Internet:                    202187536
    Equivalent to 12 /8s, 13 /16s and 35 /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:        2188

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

Prefixes being announced by APNIC Region ASes:                     4719
    Total APNIC prefixes after maximum aggregation:                2302
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4720
    Unique aggregates announced from the APNIC address blocks:     2635
APNIC Region origin ASes present in the Internet Routing Table:     578
    APNIC Prefixes per ASN:                                        8.17
APNIC Region origin ASes announcing only one prefix:                243
APNIC Region transit ASes present in the Internet Routing Table:     64
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    221
Number of APNIC addresses announced to Internet:               45840960
    Equivalent to 2 /8s, 187 /16s and 122 /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, 131072-151865
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:                      7757
    Total ARIN prefixes after maximum aggregation:                 4509
    ARIN Deaggregation factor:                                     1.72
Prefixes being announced from the ARIN address blocks:             7777
    Unique aggregates announced from the ARIN address blocks:      5041
ARIN Region origin ASes present in the Internet Routing Table:     1212
    ARIN Prefixes per ASN:                                         6.42
ARIN Region origin ASes announcing only one prefix:                 419
ARIN Region transit ASes present in the Internet Routing Table:     156
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:     184
Number of ARIN addresses announced to Internet:                91786048
    Equivalent to 5 /8s, 120 /16s and 139 /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:                      3586
    Total RIPE prefixes after maximum aggregation:                 2841
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3574
    Unique aggregates announced from the RIPE address blocks:      2889
RIPE Region origin ASes present in the Internet Routing Table:      684
    RIPE Prefixes per ASN:                                         5.23
RIPE Region origin ASes announcing only one prefix:                 304
RIPE Region transit ASes present in the Internet Routing Table:      99
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          12
Number of RIPE region 32-bit ASNs visible in the Routing Table:     142
Number of RIPE addresses announced to Internet:                57920512
    Equivalent to 3 /8s, 115 /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
                       196608-213403
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:                    1391
    Total LACNIC prefixes after maximum aggregation:                564
    LACNIC Deaggregation factor:                                   2.47
Prefixes being announced from the LACNIC address blocks:           1389
    Unique aggregates announced from the LACNIC address blocks:     781
LACNIC Region origin ASes present in the Internet Routing Table:    151
    LACNIC Prefixes per ASN:                                       9.20
LACNIC Region origin ASes announcing only one prefix:                53
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       3.9
    Max LACNIC Region AS path length visible:                        10
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    61
Number of LACNIC addresses announced to Internet:               3980944
    Equivalent to 0 /8s, 60 /16s and 190 /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:                   1011
    Total AfriNIC prefixes after maximum aggregation:               207
    AfriNIC Deaggregation factor:                                  4.88
Prefixes being announced from the AfriNIC address blocks:          1010
    Unique aggregates announced from the AfriNIC address blocks:    292
AfriNIC Region origin ASes present in the Internet Routing Table:    54
    AfriNIC Prefixes per ASN:                                     18.70
AfriNIC Region origin ASes announcing only one prefix:               25
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      3.5
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   29
Number of AfriNIC addresses announced to Internet:              2658304
    Equivalent to 0 /8s, 40 /16s and 144 /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         595       2157     463  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  1237         188         74     134  KREONET-AS-KR KISTI, KR
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
  7575         173        329     119  AARNET-AS-AP Australian Academic and Re
  4538         129       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         119         18      12  NKN-CORE-NW NKN Core Network, IN
  4621          69         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/RedCLARA/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         199        178     148  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  2152         154        507      93  CSUNET-NW, US
 18558         133         18       4  NETBLK-RCOEK, US
   270         120        329      85  AS270, US
 23024         113          7      17  OCDE, US
  2920         109         34       7  LACOE, US
 32440          94         18      16  LONI, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US
 21976          87         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         281       1919     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         176         24       4  ISU Internet Services Unit ISU, SA
   559         116        550     105  SWITCH Peering requests: peering at switch
  1103          96       1518      85  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      75  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  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/RedCLARA/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         180        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         103         24      46  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  1251          57         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
 61468          46          3      14  CEDIA, EC
  4270          45         16       1  Red de Interconexion Universitaria, AR
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA

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         366        319      71  TENET-1, ZA
 36914         249         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          43         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
 37182          31          8       1  TERNET, TZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH

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         595       2157     463  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         366        319      71  TENET-1, ZA
   680         281       1919     249  DFN Verein zur Foerderung eines Deutsch
 36914         249         82       3  KENET-AS, KE
   376         199        178     148  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  1237         188         74     134  KREONET-AS-KR KISTI, KR
   786         186       1775     183  JANET Jisc Services Limited, GB
  1916         180        208      44  Rede Nacional de Ensino e Pesquisa, BR

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         434          410  CSTNET-AS-AP Computer Network Information Cente
  2018         366          295  TENET-1, ZA
 36914         249          246  KENET-AS, KE
  5786         199          198  UPRENET, PR
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  8895         176          172  ISU Internet Services Unit ISU, SA
  1916         180          136  Rede Nacional de Ensino e Pesquisa, BR
 18558         133          129  NETBLK-RCOEK, US
 55824         119          107  NKN-CORE-NW NKN Core Network, IN
  2920         109          102  LACOE, US

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, 
     18621  UNALLOCATED  142.156.0.0/16           26677  ORION-ASN, CA
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
     64591  PRIVATE      200.29.164.128/29         6429  Telmex Chile Internet S.A., 
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

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

Unassigned Network     ASN Information  AS Name
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     27750  Cooperacion Latino Americana de Redes Av
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/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     /16:1967    /17:411     /18:432     
/19:561     /20:849     /21:839     /22:1456    /23:1527    /24:9978    
/25:86      /26:58      /27:89      /28:8       /29:13      /30:7       
/31:0       /32:3       

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

   ASN  No of nets  Total ann.  Description
 36914         236         249  KENET-AS, KE
  8895         171         176  ISU Internet Services Unit ISU, SA
 32440          79          94  LONI, US
 23024          52         113  OCDE, US
 46115          32          35  LUTHER, US
 25977          30          44  HCCS, US
 28614          30          36  Fundacao Universidade Regional de Blumenau, BR
 37182          30          31  TERNET, TZ
200521          30          53  SEAP-AGE, ES
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN

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       23:8      
  24:3        31:7        35:6        38:9        40:1        41:141    
  42:10       44:5        45:33       46:5        47:1        49:10     
  50:1        52:1        58:1        59:20       60:4        61:3      
  62:10       63:33       64:57       65:1        66:32       67:42     
  68:8        69:21       70:2        71:1        72:7        74:50     
  76:38       77:9        78:3        79:10       80:17       81:28     
  82:6        83:6        84:8        85:42       86:5        87:1      
  89:10       91:47       92:2        93:4        94:4        95:2      
  96:5        97:1        98:2       101:6       102:15      103:312    
 104:77      108:8       109:10      110:2       111:16      114:23     
 116:6       117:61      118:32      119:21      121:27      122:8      
 123:8       124:39      125:4       128:86      129:41      130:88     
 131:62      132:63      133:149     134:98      136:199     137:78     
 138:9       139:6       140:42      141:1       142:39      143:30     
 144:23      145:2       146:132     147:56      148:192     149:12     
 150:130     151:7       152:78      153:14      154:30      155:55     
 156:68      157:29      158:36      159:114     160:27      161:19     
 162:20      163:76      164:10      165:51      166:1       167:12     
 168:117     169:10      170:58      171:1       172:3       173:7      
 175:31      176:8       177:9       179:9       180:17      181:1      
 182:1       184:3       185:47      186:3       187:19      188:13     
 189:3       190:15      191:36      192:1421    193:336     194:132    
 195:80      196:159     197:152     198:468     199:250     200:221    
 201:35      202:625     203:418     204:341     205:126     206:183    
 207:162     208:65      209:111     210:186     211:18      212:168    
 213:5       216:88      217:11      218:22      219:6       220:17     
 222:5       223:4      

End of report


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