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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Aug 1 18:45:42 UTC 2024


IPv4 R&E Routing Table Report   18:45 GMT Thu 01 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:                               16221
    Prefixes after maximum aggregation (per Origin AS):            8384
    Deaggregation factor:                                          1.93
    Unique aggregates announced (without unneeded subnets):        9507
    Number of IPv4 prefixes with a valid ROA:                      4626
    Number of IPv4 prefixes with an invalid ROA:                     12
    Number of IPv4 prefixes with no ROA:                          11583
Total ASes present in the Internet Routing Table:                  2252
    Prefixes per ASN:                                              7.20
Origin-only ASes present in the Internet Routing Table:            1966
Origin ASes announcing only one prefix:                             821
Transit ASes present in the Internet Routing Table:                 286
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:                                      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:                      45064
Number of 32-bit ASNs visible in the Routing Table:                 527
Prefixes from 32-bit ASNs in the Routing Table:                    1536
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:                    157433600
    Equivalent to 9 /8s, 98 /16s and 63 /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:        1784

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

Prefixes being announced by APNIC Region ASes:                     4727
    Total APNIC prefixes after maximum aggregation:                2315
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4724
    Unique aggregates announced from the APNIC address blocks:     2652
APNIC Region origin ASes present in the Internet Routing Table:     579
    APNIC Prefixes per ASN:                                        8.16
APNIC Region origin ASes announcing only one prefix:                246
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:    228
Number of APNIC addresses announced to Internet:               45713920
    Equivalent to 2 /8s, 185 /16s and 138 /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:                      8130
    Total ARIN prefixes after maximum aggregation:                 4763
    ARIN Deaggregation factor:                                     1.71
Prefixes being announced from the ARIN address blocks:             8136
    Unique aggregates announced from the ARIN address blocks:      5269
ARIN Region origin ASes present in the Internet Routing Table:     1249
    ARIN Prefixes per ASN:                                         6.51
ARIN Region origin ASes announcing only one prefix:                 430
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:     198
Number of ARIN addresses announced to Internet:                92352256
    Equivalent to 5 /8s, 129 /16s and 47 /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:                       901
    Total RIPE prefixes after maximum aggregation:                  628
    RIPE Deaggregation factor:                                     1.43
Prefixes being announced from the RIPE address blocks:              896
    Unique aggregates announced from the RIPE address blocks:       673
RIPE Region origin ASes present in the Internet Routing Table:      190
    RIPE Prefixes per ASN:                                         4.72
RIPE Region origin ASes announcing only one prefix:                  81
RIPE Region transit ASes present in the Internet Routing Table:      28
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:      30
Number of RIPE addresses announced to Internet:                12855040
    Equivalent to 0 /8s, 196 /16s and 39 /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:                    1372
    Total LACNIC prefixes after maximum aggregation:                535
    LACNIC Deaggregation factor:                                   2.56
Prefixes being announced from the LACNIC address blocks:           1371
    Unique aggregates announced from the LACNIC address blocks:     726
LACNIC Region origin ASes present in the Internet Routing Table:    156
    LACNIC Prefixes per ASN:                                       8.79
LACNIC Region origin ASes announcing only one prefix:                55
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:    62
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:                   1090
    Total AfriNIC prefixes after maximum aggregation:               142
    AfriNIC Deaggregation factor:                                  7.68
Prefixes being announced from the AfriNIC address blocks:          1090
    Unique aggregates announced from the AfriNIC address blocks:    184
AfriNIC Region origin ASes present in the Internet Routing Table:    24
    AfriNIC Prefixes per ASN:                                     45.42
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:                        7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    9
Number of AfriNIC addresses announced to Internet:              2311168
    Equivalent to 0 /8s, 35 /16s and 68 /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         591       2162     464  SINET-AS Research Organization of Informa
  7497         447        180      24  CSTNET-AS-AP Computer Network Information
  1237         189         74     144  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         131         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
   376         202        162     151  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  2920         176         34       7  LACOE, US
  2152         149        507      97  CENIC-2152, US
 18558         135         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         158        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
 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 
 61468          45          5      15  CEDIA, EC
 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         532         82       3  KENET-AS, KE
  2018         379        319      71  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
327700          46         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          11          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA
 37654           6          1       6  RwEdNet-AS, RW
 37215           5          8       1  MAREN, MW

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         591       2162     464  SINET-AS Research Organization of Informa
 36914         532         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
   376         202        162     151  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  1237         189         74     144  KREONET-AS-KR KISTI, KR
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  2920         176         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         532          529  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         176          169  LACOE, US
  8895         136          131  ISU Internet Services Unit ISU, SA
 18558         135          131  NETBLK-RCOEK, US
  1916         158          116  Rede Nacional de Ensino e Pesquisa, BR
 55824         131          112  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      /16:1475    /17:368     /18:404     
/19:492     /20:755     /21:689     /22:1137    /23:1276    /24:9479    
/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         510         532  KENET-AS, KE
  8895         131         136  ISU Internet Services Unit ISU, SA
327700          40          46  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        14:91     
  23:5        24:3        35:7        38:10       40:1        41:234    
  42:10       44:4        45:44       47:1        49:10       50:3      
  52:1        58:1        59:19       60:6        61:3        62:3      
  63:33       64:44       65:1        66:37       67:42       68:10     
  69:19       70:2        71:1        72:7        74:48       76:41     
  77:8        80:5        81:1        82:4        83:1        84:2      
  85:17       86:5        87:1        89:2        91:13       92:2      
  93:1        96:5        97:1        98:2       101:1       102:2      
 103:317     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      129:29     
 130:92      131:57      132:67      133:155     134:106     136:198    
 137:45      138:58      139:5       140:36      141:3       142:24     
 143:23      144:23      145:1       146:134     147:61      148:186    
 149:11      150:40      151:9       152:135     153:3       154:28     
 155:63      156:133     157:21      158:32      159:120     160:30     
 161:16      162:24      163:65      164:14      165:47      166:1      
 167:10      168:120     169:6       170:89      171:1       172:3      
 173:6       175:29      176:8       177:6       179:12      180:16     
 181:1       182:9       184:6       185:12      186:3       187:18     
 188:4       189:4       190:18      191:13      192:1091    193:35     
 194:57      195:29      196:149     197:318     198:470     199:277    
 200:287     201:37      202:642     203:438     204:363     205:135    
 206:195     207:204     208:68      209:105     210:215     211:14     
 212:122     213:2       214:8       216:91      218:22      219:5      
 220:17      222:2       223:14     

End of report


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