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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Aug 12 18:45:42 UTC 2024


IPv4 R&E Routing Table Report   18:45 GMT Mon 12 Aug, 2024

  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:                               16278
    Prefixes after maximum aggregation (per Origin AS):            8425
    Deaggregation factor:                                          1.93
    Unique aggregates announced (without unneeded subnets):        9578
    Number of IPv4 prefixes with a valid ROA:                      4505
    Number of IPv4 prefixes with an invalid ROA:                     10
    Number of IPv4 prefixes with no ROA:                          11763
Total ASes present in the Internet Routing Table:                  2250
    Prefixes per ASN:                                              7.23
Origin-only ASes present in the Internet Routing Table:            1964
Origin ASes announcing only one prefix:                             822
Transit ASes present in the Internet Routing Table:                 286
Transit-only ASes present in the Internet Routing Table:             51
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:                                      15
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 1
    Number of instances of unregistered ASNs:                         1
Number of 32-bit ASNs allocated by the RIRs:                      45169
Number of 32-bit ASNs visible in the Routing Table:                 527
Prefixes from 32-bit ASNs in the Routing Table:                    1572
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:              4
Number of addresses announced to Internet:                    157574144
    Equivalent to 9 /8s, 100 /16s and 100 /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:        1783

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

Prefixes being announced by APNIC Region ASes:                     4717
    Total APNIC prefixes after maximum aggregation:                2310
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4714
    Unique aggregates announced from the APNIC address blocks:     2648
APNIC Region origin ASes present in the Internet Routing Table:     576
    APNIC Prefixes per ASN:                                        8.18
APNIC Region origin ASes announcing only one prefix:                243
APNIC Region transit ASes present in the Internet Routing Table:     61
Average APNIC Region AS path length visible:                        4.9
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    224
Number of APNIC addresses announced to Internet:               45742848
    Equivalent to 2 /8s, 185 /16s and 251 /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:                      8198
    Total ARIN prefixes after maximum aggregation:                 4815
    ARIN Deaggregation factor:                                     1.70
Prefixes being announced from the ARIN address blocks:             8203
    Unique aggregates announced from the ARIN address blocks:      5350
ARIN Region origin ASes present in the Internet Routing Table:     1256
    ARIN Prefixes per ASN:                                         6.53
ARIN Region origin ASes announcing only one prefix:                 434
ARIN Region transit ASes present in the Internet Routing Table:     153
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     203
Number of ARIN addresses announced to Internet:                92471296
    Equivalent to 5 /8s, 131 /16s and 0 /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,  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:                       903
    Total RIPE prefixes after maximum aggregation:                  624
    RIPE Deaggregation factor:                                     1.45
Prefixes being announced from the RIPE address blocks:              898
    Unique aggregates announced from the RIPE address blocks:       671
RIPE Region origin ASes present in the Internet Routing Table:      188
    RIPE Prefixes per ASN:                                         4.78
RIPE Region origin ASes announcing only one prefix:                  80
RIPE Region transit ASes present in the Internet Routing Table:      27
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          11
Number of RIPE region 32-bit ASNs visible in the Routing Table:      29
Number of RIPE addresses announced to Internet:                12848128
    Equivalent to 0 /8s, 196 /16s and 12 /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:                    1373
    Total LACNIC prefixes after maximum aggregation:                534
    LACNIC Deaggregation factor:                                   2.57
Prefixes being announced from the LACNIC address blocks:           1373
    Unique aggregates announced from the LACNIC address blocks:     724
LACNIC Region origin ASes present in the Internet Routing Table:    155
    LACNIC Prefixes per ASN:                                       8.86
LACNIC Region origin ASes announcing only one prefix:                56
LACNIC Region transit ASes present in the Internet Routing Table:    23
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:    63
Number of LACNIC addresses announced to Internet:               4192768
    Equivalent to 0 /8s, 63 /16s and 250 /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:                   1086
    Total AfriNIC prefixes after maximum aggregation:               141
    AfriNIC Deaggregation factor:                                  7.70
Prefixes being announced from the AfriNIC address blocks:          1086
    Unique aggregates announced from the AfriNIC address blocks:    182
AfriNIC Region origin ASes present in the Internet Routing Table:    23
    AfriNIC Prefixes per ASN:                                     47.22
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:                      2.8
    Max AfriNIC Region AS path length visible:                        6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    8
Number of AfriNIC addresses announced to Internet:              2310656
    Equivalent to 0 /8s, 35 /16s and 66 /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         590       2170     464  SINET-AS Research Organization of Informa
  7497         447        180      24  CSTNET-AS-AP Computer Network Information
  1237         190         74     145  KREONET-AS-KR KISTI, KR
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  AARNET-AS-AP Australian Academic and Rese
 55824         132         18      19  NKN-CORE-NW NKN Core Network, IN
  4538         129       4192      72  ERX-CERNET-BKB China Education and Resear
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, Tha
  4621          69         37      10  UNINET-AS-AP UNINET-, TH
 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        648     174  DNIC-AS-00668, US
  5786         199         16       1  UPRENET, PR
   376         191        162     148  RISQ-AS, CA
  2920         175         34       7  LACOE, US
  2152         150        507      97  CENIC-2152, US
 18558         140         18       4  NETBLK-RCOEK, US
    81         133        517      33  NCREN, US
   270         117        328      81  AS270, US
 23024          96          7      21  OCDE, US
 21976          87         50      17  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         136         24       5  ISU Internet Services Unit ISU, SA
  1103          96       1503      83  SURFNET-NL SURFnet, The Netherlands, NL
  3267          76         26      66  NIKS, RU
  1653          54        151      51  SUNET SUNET Swedish University Network, E
  1741          39        149      18  FUNETAS, FI
  3218          21          4      18  COSMOS-3218-AS AS-COSMOS root, RU
  8674          16          2      11  NETNOD-IX Netnod AB, SE
  1880          14          1       7  STUPI, SE
   224          13        256      13  UNINETT UNINETT, The Norwegian University
  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         157        176      42  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco, M
 11340         109         25      52  Red Universitaria Nacional, CL
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          49          5      17  CEDIA, EC
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
  4270          46         16       1  Red de Interconexion Universitaria, AR
  2715          45         99      34  Fundacao Carlos Chagas Filho de Amparo a 
 28614          38          2       2  Fundacao Universidade Regional de Blumena
  3596          37          8       4  Universidad Autonoma Metropolitana, MX

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
 36914         524         82       3  KENET-AS, KE
  2018         379        319      71  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
327700          47         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          14          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA
 37215           7          8       1  MAREN, MW
 37654           6          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         590       2170     464  SINET-AS Research Organization of Informa
 36914         524         82       3  KENET-AS, KE
  7497         447        180      24  CSTNET-AS-AP Computer Network Information
  2018         379        319      71  TENET-1, ZA
   668         205        648     174  DNIC-AS-00668, US
  5786         199         16       1  UPRENET, PR
   376         191        162     148  RISQ-AS, CA
  1237         190         74     145  KREONET-AS-KR KISTI, KR
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  2920         175         34       7  LACOE, US

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

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

   ASN  No of nets  Net Savings  Description
 36914         524          521  KENET-AS, KE
  7497         447          423  CSTNET-AS-AP Computer Network Information Cente
  2018         379          308  TENET-1, ZA
  5786         199          198  UPRENET, PR
 58647         180          178  KAGAWAU-AS Kagawa University, JP
  2920         175          168  LACOE, US
 18558         140          136  NETBLK-RCOEK, US
  8895         136          131  ISU Internet Services Unit ISU, SA
  1916         157          115  Rede Nacional de Ensino e Pesquisa, BR
 55824         132          113  NKN-CORE-NW NKN Core Network, IN

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
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, US

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

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  RESERVED, ZZ
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
202.46.0.0/20        Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20       Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.240.0/20      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.240.0/20     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.245.0/24      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese

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       /10:1       /11:1       /12:9       
/13:17      /14:30      /15:87      /16:1477    /17:369     /18:395     
/19:493     /20:760     /21:696     /22:1137    /23:1283    /24:9522    
/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         502         524  KENET-AS, KE
  8895         131         136  ISU Internet Services Unit ISU, SA
327700          41          47  MoRENet, MZ
 23024          38          96  OCDE, US
 32440          36          63  LONI, US
  3267          35          76  NIKS, RU
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
 25977          30          44  HCCS, US
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US

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

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

   1:2         4:2         6:4         8:2        12:1        14:92     
  23:6        24:3        35:7        38:10       40:1        41:238    
  42:10       44:4        45:41       47:1        49:10       50:3      
  52:1        58:1        59:19       60:6        61:3        62:3      
  63:33       64:44       65:1        66:35       67:42       68:12     
  69:19       70:2        71:1        72:7        74:50       76:41     
  77:8        80:5        81:1        82:4        83:1        84:2      
  85:20       86:5        87:1        89:2        91:13       92:2      
  93:1        96:5        97:1        98:2       101:1       102:1      
 103:315     104:79      108:10      109:7       111:16      113:2      
 114:24      116:8       117:61      118:34      119:23      121:27     
 122:8       123:8       124:42      125:5       128:82      129:27     
 130:95      131:57      132:67      133:155     134:106     136:199    
 137:46      138:58      139:5       140:36      141:3       142:25     
 143:22      144:23      145:1       146:134     147:61      148:187    
 149:13      150:40      151:9       152:135     153:3       154:28     
 155:63      156:132     157:21      158:35      159:120     160:30     
 161:16      162:24      163:65      164:14      165:47      166:1      
 167:10      168:119     169:6       170:89      171:1       172:3      
 173:6       175:29      176:8       177:6       179:10      180:16     
 181:1       182:9       184:7       185:12      186:3       187:20     
 188:4       189:4       190:19      191:13      192:1089    193:37     
 194:57      195:29      196:148     197:312     198:474     199:278    
 200:287     201:37      202:643     203:435     204:369     205:125    
 206:209     207:227     208:66      209:105     210:219     211:14     
 212:122     213:2       214:8       216:89      218:22      219:5      
 220:17      222:2       223:14     

End of report


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