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

REN Routing Table Report cscora at frr.nsrc.org
Sat Apr 15 18:45:40 UTC 2023


IPv4 R&E Routing Table Report   18:45 GMT Sat 15 Apr, 2023

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

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

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

BGP routing table entries examined:                               15444
    Prefixes after maximum aggregation (per Origin AS):            8170
    Deaggregation factor:                                          1.89
    Unique aggregates announced (without unneeded subnets):        9265
    Number of IPv4 prefixes with a valid ROA:                      2732
    Number of IPv4 prefixes with an invalid ROA:                     10
    Number of IPv4 prefixes with no ROA:                          12702
Total ASes present in the Internet Routing Table:                  2152
    Prefixes per ASN:                                              7.18
Origin-only ASes present in the Internet Routing Table:            1861
Origin ASes announcing only one prefix:                             776
Transit ASes present in the Internet Routing Table:                 291
Transit-only ASes present in the Internet Routing Table:             53
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      19
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 5
    Number of instances of unregistered ASNs:                         5
Number of 32-bit ASNs allocated by the RIRs:                      41662
Number of 32-bit ASNs visible in the Routing Table:                 429
Prefixes from 32-bit ASNs in the Routing Table:                    1342
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:                    160460288
    Equivalent to 9 /8s, 144 /16s and 110 /24s
    Percentage of available address space announced:                4.3
    Percentage of allocated address space announced:                4.3
    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:        1559

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

Prefixes being announced by APNIC Region ASes:                     4187
    Total APNIC prefixes after maximum aggregation:                2092
    APNIC Deaggregation factor:                                    2.00
Prefixes being announced from the APNIC address blocks:            4188
    Unique aggregates announced from the APNIC address blocks:     2360
APNIC Region origin ASes present in the Internet Routing Table:     477
    APNIC Prefixes per ASN:                                        8.78
APNIC Region origin ASes announcing only one prefix:                196
APNIC Region transit ASes present in the Internet Routing Table:     53
Average APNIC Region AS path length visible:                        5.0
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    145
Number of APNIC addresses announced to Internet:               45589760
    Equivalent to 2 /8s, 183 /16s and 165 /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:                      7986
    Total ARIN prefixes after maximum aggregation:                 4721
    ARIN Deaggregation factor:                                     1.69
Prefixes being announced from the ARIN address blocks:             8000
    Unique aggregates announced from the ARIN address blocks:      5295
ARIN Region origin ASes present in the Internet Routing Table:     1232
    ARIN Prefixes per ASN:                                         6.49
ARIN Region origin ASes announcing only one prefix:                 433
ARIN Region transit ASes present in the Internet Routing Table:     160
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:     187
Number of ARIN addresses announced to Internet:                95208448
    Equivalent to 5 /8s, 172 /16s and 196 /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:                       950
    Total RIPE prefixes after maximum aggregation:                  641
    RIPE Deaggregation factor:                                     1.48
Prefixes being announced from the RIPE address blocks:              942
    Unique aggregates announced from the RIPE address blocks:       644
RIPE Region origin ASes present in the Internet Routing Table:      208
    RIPE Prefixes per ASN:                                         4.53
RIPE Region origin ASes announcing only one prefix:                  86
RIPE Region transit ASes present in the Internet Routing Table:      33
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:      25
Number of RIPE addresses announced to Internet:                13234688
    Equivalent to 0 /8s, 201 /16s and 242 /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:                    1484
    Total LACNIC prefixes after maximum aggregation:                577
    LACNIC Deaggregation factor:                                   2.57
Prefixes being announced from the LACNIC address blocks:           1481
    Unique aggregates announced from the LACNIC address blocks:     795
LACNIC Region origin ASes present in the Internet Routing Table:    155
    LACNIC Prefixes per ASN:                                       9.55
LACNIC Region origin ASes announcing only one prefix:                52
LACNIC Region transit ASes present in the Internet Routing Table:    25
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        11
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    63
Number of LACNIC addresses announced to Internet:               3990528
    Equivalent to 0 /8s, 60 /16s and 228 /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:                    832
    Total AfriNIC prefixes after maximum aggregation:               134
    AfriNIC Deaggregation factor:                                  6.21
Prefixes being announced from the AfriNIC address blocks:           831
    Unique aggregates announced from the AfriNIC address blocks:    169
AfriNIC Region origin ASes present in the Internet Routing Table:    24
    AfriNIC Prefixes per ASN:                                     34.62
AfriNIC Region origin ASes announcing only one prefix:                9
AfriNIC Region transit ASes present in the Internet Routing Table:    6
Average AfriNIC Region AS path length visible:                      2.5
    Max AfriNIC Region AS path length visible:                        8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    9
Number of AfriNIC addresses announced to Internet:              2436096
    Equivalent to 0 /8s, 37 /16s and 44 /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         596       2155     466  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  1237         189         74     139  KREONET-AS-KR KISTI, KR
 58647         178         18       2  KAGAWAU-AS Kagawa University, JP
  7575         174        329     119  AARNET-AS-AP Australian Academic and Re
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
  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
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   668         205        572     173  DNIC-AS-00668, US
   376         198        178     148  RISQ-AS, CA
  5786         194         16       1  UPRENET, PR
  2152         151        507      92  CSUNET-NW, US
 18558         139         18       4  NETBLK-RCOEK, US
    81         129        521      32  NCREN, US
   270         120        329      85  AS270, US
 23024         112          7      17  OCDE, US
  2920         107         34       7  LACOE, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US

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

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8895         135         24       3  ISU Internet Services Unit ISU, SA
  1103          95       1518      84  SURFNET-NL SURFnet, The Netherlands, NL
  3267          56         63      41  RUNNET, RU
  1653          50        151      47  SUNET SUNET Swedish University Network,
  1741          39        149      18  FUNETAS, FI
  5495          26          7       8  ASN-SPBGU St.Petersburg, Russia, RU
  3218          21          4      18  COSMOS-3218-AS AS-COSMOS root, RU
  8674          17          2      11  NETNOD-IX Netnod AB, SE
   224          13        256      13  UNINETT UNINETT, The Norwegian Universi
  1101          13        481      13  IP-EEND-AS IP-EEND BV, NL

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         223        208      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         103         24      47  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          45         16       1  Red de Interconexion Universitaria, AR
 61468          42          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         379        319      72  TENET-1, ZA
 36914         249         82       3  KENET-AS, KE
327687          63         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          30         16       1  MoRENet, MZ
 37501          11         49       6  UOFS, ZA
 37654          10          1       6  RwEdNet-AS, RW
 36982           8         33       8  UCT, ZA
 31960           5          1       1  EMUNET, MZ
328358           5          1       1  Makerere-AS, UG

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         596       2155     466  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         379        319      72  TENET-1, ZA
 36914         249         82       3  KENET-AS, KE
  1916         223        208      43  Rede Nacional de Ensino e Pesquisa, BR
   668         205        572     173  DNIC-AS-00668, US
   376         198        178     148  RISQ-AS, CA
  5786         194         16       1  UPRENET, PR
  1237         189         74     139  KREONET-AS-KR KISTI, KR
 58647         178         18       2  KAGAWAU-AS Kagawa University, JP

Complete listing at https://bgp.nsrc.org/REN/TENET/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         379          307  TENET-1, ZA
 36914         249          246  KENET-AS, KE
  5786         194          193  UPRENET, PR
  1916         223          180  Rede Nacional de Ensino e Pesquisa, BR
 58647         178          176  KAGAWAU-AS Kagawa University, JP
 18558         139          135  NETBLK-RCOEK, US
  8895         135          132  ISU Internet Services Unit ISU, SA
  2920         107          100  LACOE, US
    81         129           97  NCREN, US

Complete listing at https://bgp.nsrc.org/REN/TENET/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
     18838  UNALLOCATED  168.8.240.0/20            3480  PEACHNET-AS3480, US
     18838  UNALLOCATED  168.9.0.0/20              3480  PEACHNET-AS3480, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

Complete listing at https://bgp.nsrc.org/REN/TENET/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:         0  UNALLOCATED
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/TENET/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       /12:9       
/13:17      /14:30      /15:88      /16:1476    /17:354     /18:396     
/19:473     /20:747     /21:687     /22:1175    /23:1249    /24:8739    
/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
 36914         236         249  KENET-AS, KE
  8895         130         135  ISU Internet Services Unit ISU, SA
 23024          51         112  OCDE, US
 32440          37          59  LONI, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
 25977          30          44  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 40326          29          33  ECKERD-COLLEGE, US

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

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

   1:1         4:2         6:4         8:2        12:1        23:9      
  24:3        35:8        38:9        40:1        41:103      42:10     
  44:4        45:23       47:1        49:3        50:1        52:1      
  58:1        59:20       60:4        61:3        62:6        63:33     
  64:53       65:1        66:33       67:41       68:8        69:19     
  70:2        71:1        72:7        74:50       76:41       77:6      
  80:8        81:1        82:4        84:4        85:18       86:5      
  87:1        89:2        91:14       92:2        93:1        96:5      
  97:1        98:2       101:6       102:9       103:189     104:77     
 108:9       109:6       110:2       114:23      116:6       117:61     
 118:32      119:21      121:12      122:8       123:8       124:39     
 125:4       128:83      129:33      130:87      131:53      132:62     
 133:157     134:99      136:193     137:84      138:9       139:5      
 140:49      141:1       142:39      143:27      144:1       146:131    
 147:54      148:186     149:12      150:130     151:8       152:144    
 153:2       154:30      155:55      156:66      157:34      158:5      
 159:114     160:27      161:21      162:21      163:80      164:10     
 165:51      166:1       167:16      168:124     169:7       170:63     
 171:1       172:3       173:7       175:31      176:8       177:9      
 179:10      180:1       181:1       182:1       184:3       185:15     
 186:3       187:19      188:3       189:3       190:18      191:36     
 192:1042    193:33      194:58      195:20      196:160     197:154    
 198:484     199:279     200:309     201:39      202:596     203:429    
 204:355     205:131     206:186     207:166     208:63      209:115    
 210:185     211:17      212:130     213:3       214:8       216:86     
 217:1       218:22      219:6       220:12      222:5       223:4      


End of report


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