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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Dec 12 20:20:42 UTC 2024


IPv4 R&E Routing Table Report   20:20 GMT Thu 12 Dec, 2024

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

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

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

BGP routing table entries examined:                               19840
    Prefixes after maximum aggregation (per Origin AS):           10806
    Deaggregation factor:                                          1.84
    Unique aggregates announced (without unneeded subnets):       12097
    Number of IPv4 prefixes with a valid ROA:                      7815
    Number of IPv4 prefixes with an invalid ROA:                    100
    Number of IPv4 prefixes with no ROA:                          11925
Total ASes present in the Internet Routing Table:                  2829
    Prefixes per ASN:                                              7.01
Origin-only ASes present in the Internet Routing Table:            2449
Origin ASes announcing only one prefix:                            1095
Transit ASes present in the Internet Routing Table:                 380
Transit-only ASes present in the Internet Routing Table:             65
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       6.8
    Max AS path length visible:                                      28
    Max AS path prepend of ASN (138136)                              20
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:                      45972
Number of 32-bit ASNs visible in the Routing Table:                 687
Prefixes from 32-bit ASNs in the Routing Table:                    1866
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:              3
Number of addresses announced to Internet:                    195368704
    Equivalent to 11 /8s, 165 /16s and 23 /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:        2427

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

Prefixes being announced by APNIC Region ASes:                     5056
    Total APNIC prefixes after maximum aggregation:                2360
    APNIC Deaggregation factor:                                    2.14
Prefixes being announced from the APNIC address blocks:            5058
    Unique aggregates announced from the APNIC address blocks:     2913
APNIC Region origin ASes present in the Internet Routing Table:     600
    APNIC Prefixes per ASN:                                        8.43
APNIC Region origin ASes announcing only one prefix:                255
APNIC Region transit ASes present in the Internet Routing Table:     63
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         28
Number of APNIC region 32-bit ASNs visible in the Routing Table:    224
Number of APNIC addresses announced to Internet:               39794176
    Equivalent to 2 /8s, 95 /16s and 54 /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:                      8689
    Total ARIN prefixes after maximum aggregation:                 4865
    ARIN Deaggregation factor:                                     1.79
Prefixes being announced from the ARIN address blocks:             8701
    Unique aggregates announced from the ARIN address blocks:      5340
ARIN Region origin ASes present in the Internet Routing Table:     1285
    ARIN Prefixes per ASN:                                         6.77
ARIN Region origin ASes announcing only one prefix:                 453
ARIN Region transit ASes present in the Internet Routing Table:     154
Average ARIN Region AS path length visible:                         7.9
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:     213
Number of ARIN addresses announced to Internet:                90388992
    Equivalent to 5 /8s, 99 /16s and 58 /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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                      3550
    Total RIPE prefixes after maximum aggregation:                 2865
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3539
    Unique aggregates announced from the RIPE address blocks:      2905
RIPE Region origin ASes present in the Internet Routing Table:      669
    RIPE Prefixes per ASN:                                         5.29
RIPE Region origin ASes announcing only one prefix:                 301
RIPE Region transit ASes present in the Internet Routing Table:     109
Average RIPE Region AS path length visible:                         6.2
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     156
Number of RIPE addresses announced to Internet:                58568960
    Equivalent to 3 /8s, 125 /16s and 177 /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,
                        53/8,  57/8,  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:                    1390
    Total LACNIC prefixes after maximum aggregation:                541
    LACNIC Deaggregation factor:                                   2.57
Prefixes being announced from the LACNIC address blocks:           1389
    Unique aggregates announced from the LACNIC address blocks:     720
LACNIC Region origin ASes present in the Internet Routing Table:    157
    LACNIC Prefixes per ASN:                                       8.85
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:                       8.2
    Max LACNIC Region AS path length visible:                        17
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    65
Number of LACNIC addresses announced to Internet:               4201472
    Equivalent to 0 /8s, 64 /16s and 28 /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:                   1150
    Total AfriNIC prefixes after maximum aggregation:               171
    AfriNIC Deaggregation factor:                                  6.73
Prefixes being announced from the AfriNIC address blocks:          1149
    Unique aggregates announced from the AfriNIC address blocks:    216
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     22.98
AfriNIC Region origin ASes announcing only one prefix:               30
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      6.6
    Max AfriNIC Region AS path length visible:                       26
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   29
Number of AfriNIC addresses announced to Internet:              2412544
    Equivalent to 0 /8s, 36 /16s and 208 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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         592       2200     462  SINET-AS Research Organization of Informa
  7497         445        180      24  CSTNET-AS-AP Computer Network Information
  1237         191         74     145  KREONET-AS-KR KISTI, KR
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         171        313     114  AARNET-AS-AP Australian Academic and Rese
 55824         146         19      20  NKN-CORE-NW NKN Core Network, IN
  4538         139       4192      71  ERX-CERNET-BKB China Education and Resear
 17882         136          9      32  UNIVISION-AS-AP UNIVISION LLC, MN
  4850          84          0       1  DIGICOM-AS-AP Digicom LLC, MN
  9484          76          5       6  MOBINET-AS-MN Mobinet LLC. AS Mobinet Int

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2152         512        507      99  CENIC-2152, US
  2920         226         44      49  LACOE, US
   668         204        630     173  DNIC-AS-00668, US
   376         201        162     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
 18558         141         18       5  NETBLK-RCOEK, US
    81         134        517      33  NCREN, US
 23024          95          7      21  OCDE, US
 21976          91         50      17  NJEDGE-NET, US
   237          82        541      48  MERIT-AS-14, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         284       1899     249  DFN Verein zur Foerderung eines Deutschen
   786         185       1767     182  JANET Jisc Services Limited, GB
  8895         132         24       5  ISU Internet Services Unit ISU, SA
   559         114        533     104  SWITCH Peering requests: peering at switch.c
  1103          96       1743      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         26      73  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnolog
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          77         27      67  NIKS, RU

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         158        178      41  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      68  Universidad Juarez Autonoma de Tabasco, M
 11340         110         25      53  Red Universitaria Nacional, CL
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          53          5      18  CEDIA, EC
  2715          49         99      35  Fundacao Carlos Chagas Filho de Amparo a 
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
  4270          46         16       1  Red de Interconexion Universitaria, AR
 28614          38          2       2  Fundacao Universidade Regional de Blumena
  1251          37         31      26  FUNDACAO DE AMPARO A PESQUISA DO ESTADO S

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         545         82       3  KENET-AS, KE
  2018         378        319      71  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
 37215          32          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
327700          16         16       1  MoRENet, MZ
 37074          15          8       2  UG-AS, GH
 37661          12          8       4  NRaE1-AS, NG
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         592       2200     462  SINET-AS Research Organization of Informa
 36914         545         82       3  KENET-AS, KE
  2152         512        507      99  CENIC-2152, US
  7497         445        180      24  CSTNET-AS-AP Computer Network Information
  2018         378        319      71  TENET-1, ZA
   680         284       1899     249  DFN Verein zur Foerderung eines Deutschen
  2920         226         44      49  LACOE, US
   668         204        630     173  DNIC-AS-00668, US
   376         201        162     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR

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

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

   ASN  No of nets  Net Savings  Description
 36914         545          542  KENET-AS, KE
  7497         445          421  CSTNET-AS-AP Computer Network Information Cente
  2152         512          413  CENIC-2152, US
  2018         378          307  TENET-1, ZA
  5786         198          197  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  2920         226          177  LACOE, US
 18558         141          136  NETBLK-RCOEK, US
  8895         132          127  ISU Internet Services Unit ISU, SA
 55824         146          126  NKN-CORE-NW NKN Core Network, IN

Complete listing at https://bgp.nsrc.org/REN/Erdemnet/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
     65101  PRIVATE      202.21.123.0/24           9484  MOBINET-AS-MN Mobinet L
     65512  PRIVATE      202.126.89.0/24          55805  MOBICOM-AS-MN MobiCom C
     65512  PRIVATE      202.126.90.0/24          55805  MOBICOM-AS-MN MobiCom C
     65512  PRIVATE      202.126.91.0/24          55805  MOBICOM-AS-MN MobiCom C

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

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

Unassigned Network     ASN Information  AS Name
164.160.192.0/21     Origin:     37661  NRaE1-AS, NG
164.160.192.0/21    Transit:     37288  WACREN, SN
202.14.117.0/24      Origin:     17827  STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24     Transit:      4621  UNINET-AS-AP UNINET-, TH
203.9.156.0/24       Origin:      1851  ADELAIDE-UNIVERSITY-AS-AP The University
203.9.156.0/24      Transit:      7575  AARNET-AS-AP Australian Academic and Res

Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:0        /9:1       /10:1       /11:0       /12:10      
/13:16      /14:32      /15:114     /16:1972    /17:420     /18:458     
/19:584     /20:874     /21:889     /22:1501    /23:1629    /24:11251   
/25:0       /26:2       /27:2       /28:4       /29:2       /30:4       
/31:1       /32:72      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 36914         521         545  KENET-AS, KE
  8895         127         132  ISU Internet Services Unit ISU, SA
  4850          83          84  DIGICOM-AS-AP Digicom LLC, MN
  2152          61         512  CENIC-2152, US
 23024          37          95  OCDE, US
 32440          37          61  LONI, US
 17882          35         136  UNIVISION-AS-AP UNIVISION LLC, MN
  3267          34          77  NIKS, RU
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US

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

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

   1:2         5:15        6:4         8:2        12:2        14:93     
  23:8        24:3        27:4        31:1        35:3        36:2      
  38:11       41:224      42:11       43:8        44:4        45:50     
  46:4        47:1        49:10       50:4        52:1        59:23     
  60:5        61:3        62:7        63:36       64:49       65:5      
  66:89       67:42       68:13       69:18       70:2        71:1      
  72:7        74:53       76:42       77:10       78:3        79:10     
  80:12       81:25       82:7        83:7        84:8        85:45     
  86:5        87:1        89:11       91:42       92:2        93:6      
  94:2        95:2        96:5        97:1        98:2       101:1      
 102:11      103:363     104:76      107:2       108:8       109:5      
 111:21      112:16      113:1       114:24      116:9       117:61     
 118:33      119:30      121:27      122:24      123:8       124:44     
 125:5       128:55      129:36      130:97      131:65      132:65     
 133:155     134:109     136:198     137:98      138:58      139:9      
 140:36      141:3       142:53      143:26      144:28      145:2      
 146:137     147:63      148:196     149:12      150:40      151:9      
 152:139     153:14      154:40      155:64      156:131     157:26     
 158:31      159:118     160:32      161:17      162:24      163:64     
 164:11      165:47      166:1       167:26      168:119     169:7      
 170:95      171:1       172:2       173:7       175:16      177:6      
 179:13      180:16      181:1       182:11      184:2       185:49     
 186:3       187:22      188:14      189:3       190:18      191:13     
 192:1418    193:272     194:137     195:76      196:146     197:335    
 198:542     199:280     200:283     201:37      202:798     203:443    
 204:402     205:176     206:215     207:311     208:67      209:160    
 210:218     211:3       212:165     213:6       214:8       216:91     
 217:9       218:24      219:6       220:16      222:2       223:15     


End of report


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