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

REN Routing Table Report cscora at frr.nsrc.org
Fri Jun 3 18:45:42 UTC 2022


IPv4 R&E Routing Table Report   18:45 GMT Fri 03 Jun, 2022

  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:                               15719
    Prefixes after maximum aggregation (per Origin AS):            8255
    Deaggregation factor:                                          1.90
    Unique aggregates announced (without unneeded subnets):        9627
    Number of IPv4 prefixes with a valid ROA:                      2778
    Number of IPv4 prefixes with an invalid ROA:                     17
    Number of IPv4 prefixes with no ROA:                          12924
Total ASes present in the Internet Routing Table:                  2248
    Prefixes per ASN:                                              6.99
Origin-only ASes present in the Internet Routing Table:            1946
Origin ASes announcing only one prefix:                             849
Transit ASes present in the Internet Routing Table:                 302
Transit-only ASes present in the Internet Routing Table:             56
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      17
    Max AS path prepend of ASN ( 10497)                              11
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:                      39539
Number of 32-bit ASNs visible in the Routing Table:                 496
Prefixes from 32-bit ASNs in the Routing Table:                    1457
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              2
Number of addresses announced to Internet:                    145535488
    Equivalent to 8 /8s, 172 /16s and 178 /24s
    Percentage of available address space announced:                3.9
    Percentage of allocated address space announced:                3.9
    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:        1571

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

Prefixes being announced by APNIC Region ASes:                     4291
    Total APNIC prefixes after maximum aggregation:                2076
    APNIC Deaggregation factor:                                    2.07
Prefixes being announced from the APNIC address blocks:            4292
    Unique aggregates announced from the APNIC address blocks:     2521
APNIC Region origin ASes present in the Internet Routing Table:     548
    APNIC Prefixes per ASN:                                        7.83
APNIC Region origin ASes announcing only one prefix:                241
APNIC Region transit ASes present in the Internet Routing Table:     62
Average APNIC Region AS path length visible:                        5.0
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    217
Number of APNIC addresses announced to Internet:               28901632
    Equivalent to 1 /8s, 185 /16s and 1 /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:                      8200
    Total ARIN prefixes after maximum aggregation:                 4785
    ARIN Deaggregation factor:                                     1.71
Prefixes being announced from the ARIN address blocks:             8216
    Unique aggregates announced from the ARIN address blocks:      5457
ARIN Region origin ASes present in the Internet Routing Table:     1245
    ARIN Prefixes per ASN:                                         6.60
ARIN Region origin ASes announcing only one prefix:                 446
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:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     177
Number of ARIN addresses announced to Internet:                96659712
    Equivalent to 5 /8s, 194 /16s and 233 /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:                       927
    Total RIPE prefixes after maximum aggregation:                  644
    RIPE Deaggregation factor:                                     1.44
Prefixes being announced from the RIPE address blocks:              916
    Unique aggregates announced from the RIPE address blocks:       625
RIPE Region origin ASes present in the Internet Routing Table:      203
    RIPE Prefixes per ASN:                                         4.51
RIPE Region origin ASes announcing only one prefix:                  89
RIPE Region transit ASes present in the Internet Routing Table:      31
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          12
Number of RIPE region 32-bit ASNs visible in the Routing Table:      28
Number of RIPE addresses announced to Internet:                13207808
    Equivalent to 0 /8s, 201 /16s and 137 /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:                    1405
    Total LACNIC prefixes after maximum aggregation:                568
    LACNIC Deaggregation factor:                                   2.47
Prefixes being announced from the LACNIC address blocks:           1402
    Unique aggregates announced from the LACNIC address blocks:     760
LACNIC Region origin ASes present in the Internet Routing Table:    165
    LACNIC Prefixes per ASN:                                       8.50
LACNIC Region origin ASes announcing only one prefix:                66
LACNIC Region transit ASes present in the Internet Routing Table:    22
Average LACNIC Region AS path length visible:                       4.7
    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:               4284416
    Equivalent to 0 /8s, 65 /16s and 96 /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:                    891
    Total AfriNIC prefixes after maximum aggregation:               177
    AfriNIC Deaggregation factor:                                  5.03
Prefixes being announced from the AfriNIC address blocks:           891
    Unique aggregates announced from the AfriNIC address blocks:    262
AfriNIC Region origin ASes present in the Internet Routing Table:    26
    AfriNIC Prefixes per ASN:                                     34.27
AfriNIC Region origin ASes announcing only one prefix:                7
AfriNIC Region transit ASes present in the Internet Routing Table:    9
Average AfriNIC Region AS path length visible:                      2.6
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    9
Number of AfriNIC addresses announced to Internet:              2481408
    Equivalent to 0 /8s, 37 /16s and 221 /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         571       2140     454  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  1237         187         74     135  KREONET-AS-KR KISTI, KR
  7575         176        330     122  AARNET-AS-AP Australian Academic and Re
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
 55824         115         18      11  NKN-CORE-NW NKN Core Network, IN
  4621          78         37      10  UNINET-AS-AP UNINET-, TH
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  2697          54          3      32  ERX-ERNET-AS Education and Research Net

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         210        702     178  DNIC-AS-00668, US
   376         202        178     151  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         151        507      90  CSUNET-NW, US
 18558         131         18       4  NETBLK-RCOEK, US
   270         120        329      88  AS270, US
 23024         114          7      17  OCDE, US
  2920         107         34       6  LACOE, US
 32531          91         16       1  FORDHAM-UNIVERSITY, US
 21976          85         51      18  NJEDGE-NET, 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         138         24       4  ISU Internet Services Unit ISU, SA
  1103          99       1520      86  SURFNET-NL SURFnet, The Netherlands, NL
  1653          51        167      48  SUNET SUNET Swedish University Network,
  3267          42         66      35  RUNNET, RU
  1741          39        149      18  FUNETAS, FI
   288          26          5      26  ESA Robert Bosch Strasse 5, DE
  3218          21          4      18  COSMOS-3218-AS AS-COSMOS root, RU
  8674          19          2      12  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         156        208      45  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          94         24      54  Red Universitaria Nacional, CL
  1251          60         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 19611          46         17       2  Associacao Antonio Vieira - Unisinos, B
  4270          42         16       1  Red de Interconexion Universitaria, AR
 61468          41          3      15  CEDIA, EC
 28571          38         42      16  UNIVERSIDADE DE SAO PAULO, BR
 28614          37          2       2  Fundacao Universidade Regional de Blume

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         374        319      74  TENET-1, ZA
 36914         221         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          37         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          18          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA
 37654          10          1       6  RwEdNet-AS, RW

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         571       2140     454  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  2018         374        319      74  TENET-1, ZA
 36914         221         82       3  KENET-AS, KE
   668         210        702     178  DNIC-AS-00668, US
   376         202        178     151  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  1237         187         74     135  KREONET-AS-KR KISTI, KR
  7575         176        330     122  AARNET-AS-AP Australian Academic and Re
 58647         175         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         432          408  CSTNET-AS-AP Computer Network Information Cente
  2018         374          300  TENET-1, ZA
 36914         221          218  KENET-AS, KE
  5786         200          199  UPRENET, PR
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  8895         138          134  ISU Internet Services Unit ISU, SA
 18558         131          127  NETBLK-RCOEK, US
  1916         156          111  Rede Nacional de Ensino e Pesquisa, BR
 55824         115          104  NKN-CORE-NW NKN Core Network, IN
  2920         107          101  LACOE, 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
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     22226  UNALLOCATED  156.1.0.0/16              2152  CSUNET-NW, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    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/TENET/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

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

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24      Transit:     11537  INTERNET2-RESEARCH-EDU, US

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       /12:3       
/13:6       /14:17      /15:44      /16:1434    /17:356     /18:391     
/19:466     /20:733     /21:668     /22:1127    /23:1299    /24:9171    
/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         208         221  KENET-AS, KE
  8895         133         138  ISU Internet Services Unit ISU, SA
 23024          53         114  OCDE, US
 25977          31          45  HCCS, US
 28614          31          37  Fundacao Universidade Regional de Blumenau, BR
 32440          30          45  LONI, US
327700          30          34  MoRENet, MZ
 18632          29          55  VOLCANO-VISION, US
 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)
----------------------------------------------

   1:3         4:2         6:4         8:2        12:1        14:85     
  18:43       23:11       24:3        35:6        38:9        40:1      
  41:125      42:4        44:3        45:31       47:1        49:10     
  50:4        52:1        59:19       60:4        61:3        62:1      
  63:38       64:53       65:4        66:50       67:44       68:9      
  69:19       70:2        71:1        72:9        74:18       76:33     
  77:4        80:10       81:1        82:3        84:1        85:20     
  86:4        87:1        89:2        91:15       93:1        96:5      
  97:1        98:2       101:6       102:6       103:304     104:76     
 107:16      108:11      109:7       110:4       111:16      114:23     
 116:7       117:61      118:32      119:23      121:17      122:8      
 123:8       124:39      125:4       128:87      129:31      130:93     
 131:77      132:58      133:145     134:95      136:199     137:67     
 138:9       139:5       140:50      141:3       142:42      143:28     
 144:23      146:128     147:56      148:186     149:12      150:130    
 151:12      152:76      153:1       154:29      155:51      156:66     
 157:27      158:44      159:115     160:26      161:40      162:25     
 163:64      164:19      165:67      166:1       167:16      168:123    
 169:10      170:67      171:1       172:2       173:7       175:30     
 176:8       177:11      179:10      180:20      181:1       182:6      
 184:4       185:11      186:3       187:19      188:3       189:5      
 190:34      191:34      192:1074    193:80      194:54      195:50     
 196:159     197:126     198:509     199:283     200:237     201:38     
 202:590     203:424     204:331     205:174     206:196     207:171    
 208:70      209:122     210:183     211:15      212:132     213:3      
 214:8       216:85      217:1       218:22      219:6       220:17     
 222:2       223:3      

End of report


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