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

REN Routing Table Report cscora at frr.nsrc.org
Sat Jan 7 19:00:43 UTC 2023


IPv4 R&E Routing Table Report   19:00 GMT Sat 07 Jan, 2023

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

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

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

BGP routing table entries examined:                               17650
    Prefixes after maximum aggregation (per Origin AS):           10040
    Deaggregation factor:                                          1.76
    Unique aggregates announced (without unneeded subnets):       11141
    Number of IPv4 prefixes with a valid ROA:                      4484
    Number of IPv4 prefixes with an invalid ROA:                     45
    Number of IPv4 prefixes with no ROA:                          13121
Total ASes present in the Internet Routing Table:                  2679
    Prefixes per ASN:                                              6.59
Origin-only ASes present in the Internet Routing Table:            2313
Origin ASes announcing only one prefix:                            1046
Transit ASes present in the Internet Routing Table:                 366
Transit-only ASes present in the Internet Routing Table:             57
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.4
    Max AS path length visible:                                      20
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 7
    Number of instances of unregistered ASNs:                         7
Number of 32-bit ASNs allocated by the RIRs:                      41034
Number of 32-bit ASNs visible in the Routing Table:                 617
Prefixes from 32-bit ASNs in the Routing Table:                    1741
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:              1
Number of addresses announced to Internet:                    196363520
    Equivalent to 11 /8s, 180 /16s and 69 /24s
    Percentage of available address space announced:                5.3
    Percentage of allocated address space announced:                5.3
    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:        1991

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

Prefixes being announced by APNIC Region ASes:                     4778
    Total APNIC prefixes after maximum aggregation:                2276
    APNIC Deaggregation factor:                                    2.10
Prefixes being announced from the APNIC address blocks:            4781
    Unique aggregates announced from the APNIC address blocks:     2585
APNIC Region origin ASes present in the Internet Routing Table:     557
    APNIC Prefixes per ASN:                                        8.58
APNIC Region origin ASes announcing only one prefix:                240
APNIC Region transit ASes present in the Internet Routing Table:     64
Average APNIC Region AS path length visible:                        5.7
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    205
Number of APNIC addresses announced to Internet:               45948416
    Equivalent to 2 /8s, 189 /16s and 30 /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:                      7340
    Total ARIN prefixes after maximum aggregation:                 4213
    ARIN Deaggregation factor:                                     1.74
Prefixes being announced from the ARIN address blocks:             7358
    Unique aggregates announced from the ARIN address blocks:      4724
ARIN Region origin ASes present in the Internet Routing Table:     1172
    ARIN Prefixes per ASN:                                         6.28
ARIN Region origin ASes announcing only one prefix:                 422
ARIN Region transit ASes present in the Internet Routing Table:     153
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:     179
Number of ARIN addresses announced to Internet:                87350272
    Equivalent to 5 /8s, 52 /16s and 220 /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:                      3559
    Total RIPE prefixes after maximum aggregation:                 2860
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3547
    Unique aggregates announced from the RIPE address blocks:      2886
RIPE Region origin ASes present in the Internet Routing Table:      680
    RIPE Prefixes per ASN:                                         5.22
RIPE Region origin ASes announcing only one prefix:                 301
RIPE Region transit ASes present in the Internet Routing Table:     101
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     140
Number of RIPE addresses announced to Internet:                57906944
    Equivalent to 3 /8s, 115 /16s and 151 /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:                    1403
    Total LACNIC prefixes after maximum aggregation:                581
    LACNIC Deaggregation factor:                                   2.41
Prefixes being announced from the LACNIC address blocks:           1400
    Unique aggregates announced from the LACNIC address blocks:     787
LACNIC Region origin ASes present in the Internet Routing Table:    159
    LACNIC Prefixes per ASN:                                       8.81
LACNIC Region origin ASes announcing only one prefix:                59
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       6.1
    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:               4215808
    Equivalent to 0 /8s, 64 /16s and 84 /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:                    563
    Total AfriNIC prefixes after maximum aggregation:               103
    AfriNIC Deaggregation factor:                                  5.47
Prefixes being announced from the AfriNIC address blocks:           563
    Unique aggregates announced from the AfriNIC address blocks:    158
AfriNIC Region origin ASes present in the Internet Routing Table:    48
    AfriNIC Prefixes per ASN:                                     11.73
AfriNIC Region origin ASes announcing only one prefix:               24
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      5.5
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   28
Number of AfriNIC addresses announced to Internet:               941824
    Equivalent to 0 /8s, 14 /16s and 95 /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         580       2157     462  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  1237         186         74     134  KREONET-AS-KR KISTI, KR
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     118  AARNET-AS-AP Australian Academic and Re
  4758         161         16       1  NICNET-VSNL-BOARDER-AP National Informa
 55824         137         19      30  NKN-CORE-NW NKN Core Network, IN
  4538         129       4192      73  ERX-CERNET-BKB China Education and Rese
  4621          70         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         200        178     149  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  2152         146        507      90  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
 23024         113          7      17  OCDE, US
  2920         107         34       7  LACOE, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US
 21976          85         51      18  NJEDGE-NET, US
  1736          81         16       1  MU-AS, US
     3          78        496      15  MIT-GATEWAYS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         283       1935     251  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         134         24       4  ISU Internet Services Unit ISU, SA
   559         114        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/DrukREN/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         157        208      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340          97         24      55  Red Universitaria Nacional, CL
  1251          58         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  4270          44         16       1  Red de Interconexion Universitaria, AR
 61468          43          3      15  CEDIA, EC
 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/DrukREN/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         240         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
327687          41         28       3  RENU, UG
  3208          32          2       1  ARN, DZ
327700          32         16       1  MoRENet, MZ
 37182          31          8       1  TERNET, TZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37654          10          1       6  RwEdNet-AS, RW
 37215           6          8       1  MAREN, MW

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         580       2157     462  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
   680         283       1935     251  DFN Verein zur Foerderung eines Deutsch
 36914         240         82       3  KENET-AS, KE
   376         200        178     149  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
   786         186       1775     183  JANET Jisc Services Limited, GB
  1237         186         74     134  KREONET-AS-KR KISTI, KR
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     118  AARNET-AS-AP Australian Academic and Re

Complete listing at https://bgp.nsrc.org/REN/DrukREN/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
 36914         240          237  KENET-AS, KE
  5786         199          198  UPRENET, PR
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  4758         161          160  NICNET-VSNL-BOARDER-AP National Informatics Cen
  8895         134          130  ISU Internet Services Unit ISU, SA
 18558         134          130  NETBLK-RCOEK, US
  1916         157          114  Rede Nacional de Ensino e Pesquisa, BR
 55824         137          107  NKN-CORE-NW NKN Core Network, IN
  2920         107          100  LACOE, US

Complete listing at https://bgp.nsrc.org/REN/DrukREN/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65200  PRIVATE      43.224.124.0/22         132124  ICTA-LK Information and Comm
     65200  PRIVATE      103.11.32.0/22          132124  ICTA-LK Information and Comm
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     65000  PRIVATE      194.14.96.0/24            2837  SUNET-KI, SE
     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/DrukREN/data-badAS

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

Complete listing at https://bgp.nsrc.org/REN/DrukREN/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      /14:31      /15:120     /16:1907    /17:380     /18:426     
/19:553     /20:841     /21:826     /22:1381    /23:1475    /24:9678    
/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         227         240  KENET-AS, KE
  8895         129         134  ISU Internet Services Unit ISU, SA
 23024          52         113  OCDE, US
 32440          34          49  LONI, 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/DrukREN/data-sXXas-nos

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

   1:1         5:15        8:2        12:1        14:85       18:43     
  23:8        24:3        31:7        35:4        38:9        40:1      
  41:142      42:10       44:5        45:33       46:5        47:1      
  49:10       50:3        52:1        58:1        59:20       60:4      
  61:3        62:10       63:33       64:49       65:1        66:32     
  67:41       68:8        69:21       70:2        71:1        72:7      
  74:50       76:37       77:9        78:3        79:10       80:17     
  81:28       82:8        83:6        84:5        85:42       86:5      
  87:1        89:10       91:47       92:1        93:4        94:4      
  95:4        96:5        97:2        98:2       101:6       102:12     
 103:280     104:72      108:8       109:10      110:2       111:16     
 114:23      116:6       117:61      118:32      119:22      121:27     
 122:8       123:8       124:39      125:4       128:86      129:42     
 130:88      131:62      132:62      133:149     134:95      136:199    
 137:74      138:9       139:6       140:40      141:1       142:39     
 143:23      144:23      145:2       146:118     147:56      148:192    
 149:12      150:130     151:7       152:64      153:14      154:6      
 155:40      156:68      157:29      158:37      159:116     160:26     
 161:19      162:20      163:74      164:156     165:51      166:1      
 167:16      168:78      169:10      170:57      171:1       172:2      
 173:7       175:31      176:8       177:10      179:10      180:17     
 181:1       182:1       184:3       185:46      186:3       187:19     
 188:13      189:3       190:18      191:36      192:1258    193:347    
 194:144     195:87      196:21      197:143     198:424     199:244    
 200:229     201:37      202:630     203:424     204:336     205:125    
 206:183     207:161     208:66      209:112     210:185     211:14     
 212:168     213:5       216:87      217:11      218:22      219:6      
 220:16      222:5       223:4      

End of report


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