[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Wed May 29 20:16:51 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Wed 29 May, 2024

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

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

BGP routing table entries examined:                              192655
    Prefixes after maximum aggregation (per Origin AS):           85042
    Deaggregation factor:                                          2.27
    Unique aggregates announced (without unneeded subnets):      106043
    Number of IPv4 prefixes with a valid ROA:                     77050
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         115586
Total ASes present in the Internet Routing Table:                 16155
    Prefixes per ASN:                                             11.93
Origin-only ASes present in the Internet Routing Table:           13942
Origin ASes announcing only one prefix:                            6426
Transit ASes present in the Internet Routing Table:                2213
Transit-only ASes present in the Internet Routing Table:            602
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.8
    Max AS path length visible:                                      28
    Max AS path prepend of ASN ( 28683)                              23
Prefixes from unregistered ASNs in the Routing Table:               244
    Number of instances of unregistered ASNs:                       244
Number of 32-bit ASNs allocated by the RIRs:                      44579
Number of 32-bit ASNs visible in the Routing Table:                5833
Prefixes from 32-bit ASNs in the Routing Table:                   20103
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:             97
Number of addresses announced to Internet:                   1123177885
    Equivalent to 66 /8s, 242 /16s and 85 /24s
    Percentage of available address space announced:               30.3
    Percentage of allocated address space announced:               30.3
    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:       56700

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

Prefixes being announced by APNIC Region ASes:                    30658
    Total APNIC prefixes after maximum aggregation:                7399
    APNIC Deaggregation factor:                                    4.14
Prefixes being announced from the APNIC address blocks:           30211
    Unique aggregates announced from the APNIC address blocks:     8390
APNIC Region origin ASes present in the Internet Routing Table:    1195
    APNIC Prefixes per ASN:                                       25.28
APNIC Region origin ASes announcing only one prefix:                494
APNIC Region transit ASes present in the Internet Routing Table:    206
Average APNIC Region AS path length visible:                        7.2
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    532
Number of APNIC addresses announced to Internet:              201765996
    Equivalent to 12 /8s, 6 /16s and 180 /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:                     88865
    Total ARIN prefixes after maximum aggregation:                48484
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            87578
    Unique aggregates announced from the ARIN address blocks:     54484
ARIN Region origin ASes present in the Internet Routing Table:     7473
    ARIN Prefixes per ASN:                                        11.72
ARIN Region origin ASes announcing only one prefix:                3241
ARIN Region transit ASes present in the Internet Routing Table:     681
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1549
Number of ARIN addresses announced to Internet:               655845985
    Equivalent to 39 /8s, 23 /16s and 106 /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:                     36990
    Total RIPE prefixes after maximum aggregation:                17555
    RIPE Deaggregation factor:                                     2.11
Prefixes being announced from the RIPE address blocks:            37713
    Unique aggregates announced from the RIPE address blocks:     25415
RIPE Region origin ASes present in the Internet Routing Table:     3520
    RIPE Prefixes per ASN:                                        10.71
RIPE Region origin ASes announcing only one prefix:                1510
RIPE Region transit ASes present in the Internet Routing Table:     543
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1304
Number of RIPE addresses announced to Internet:               162522064
    Equivalent to 9 /8s, 175 /16s and 227 /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:                   30851
    Total LACNIC prefixes after maximum aggregation:               9597
    LACNIC Deaggregation factor:                                   3.21
Prefixes being announced from the LACNIC address blocks:          30534
    Unique aggregates announced from the LACNIC address blocks:   14749
LACNIC Region origin ASes present in the Internet Routing Table:   3031
    LACNIC Prefixes per ASN:                                      10.07
LACNIC Region origin ASes announcing only one prefix:              1080
LACNIC Region transit ASes present in the Internet Routing Table:   607
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2319
Number of LACNIC addresses announced to Internet:              72819456
    Equivalent to 4 /8s, 87 /16s and 35 /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:                   5047
    Total AfriNIC prefixes after maximum aggregation:              1831
    AfriNIC Deaggregation factor:                                  2.76
Prefixes being announced from the AfriNIC address blocks:          6522
    Unique aggregates announced from the AfriNIC address blocks:   2911
AfriNIC Region origin ASes present in the Internet Routing Table:   239
    AfriNIC Prefixes per ASN:                                     27.29
AfriNIC Region origin ASes announcing only one prefix:              101
AfriNIC Region transit ASes present in the Internet Routing Table:   70
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  129
Number of AfriNIC addresses announced to Internet:             30174208
    Equivalent to 1 /8s, 204 /16s and 108 /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
  9808        9653       8742      63  CHINAMOBILE-CN China Mobile Communicati
 56047        1507        192      48  CMNET-HUNAN-AP China Mobile communicati
 56046        1482        874     109  CMNET-JIANGSU-AP China Mobile communica
 56041        1449        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         790        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      72  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         719      10640     153  GIGAINFRA SoftBank Corp., JP
  2907         601       2162     465  SINET-AS Research Organization of Infor
 56040         491        490     109  CMNET-GUANGDONG-AP China Mobile communi
 24445         478        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9974      11387    3550  AMAZON-02, US
   749        3222      54904    2474  DNIC-AS-00749, US
   367        2780       3370    1305  DNIC-ASBLK-00306-00371, US
 11776        1861        256     225  ATLANTICBB-JOHNSTOWN, US
  4155        1845        122    1259  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1598        105     891  CABLEONE, US
  5972        1335        387     602  DNIC-ASBLK-05800-06055, US
  7979         990         64     201  SERVERS-COM, US
   855         955        255      82  CANET-ASN-4, CA

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        1294        105    1047  AKAMAI-ASN1, NL
  3215         898       4830     291  France Telecom - Orange, FR
 25019         821       1044     145  SAUDINETSTC-AS, SA
  8376         710         60      22  Jordan Data Communications, JO
  8452         621       1841      10  TE-AS TE-AS, EG
 51167         527        101     226  CONTABO, DE
 35819         438        426      77  MOBILY-AS Etihad Etisalat Company Mobil
 20978         420        196      13  TT_MOBIL Istanbul, TR
212238         388         29     342  CDNEXT, GB

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        5590       1585     750  UNINET, MX
  3816        1322        784     196  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1085        369      22  Telefonica del Peru S.A.A., PE
 11830        1041        324       5  Instituto Costarricense de Electricidad
 18881         752       1126      30  TELEFONICA BRASIL S.A, BR
 26599         549       2827      83  TELEFONICA BRASIL S.A, BR
 13999         494         68     215  Mega Cable, S.A. de C.V., MX
 10620         381         47     316  Telmex Colombia S.A., CO
 22047         359        342      16  VTR BANDA ANCHA S.A., CL
 27983         237         23     127  Red Intercable Digital S.A., AR

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863         634        205     258  LINKdotNET-AS, EG
 24835         392        396      29  RAYA-AS, EG
  2018         375        319      71  TENET-1, ZA
 36935         317        518      27  Vodafone-, EG
 29571         305         44     120  ORANGE-COTE-IVOIRE, CI
 36914         251         82       3  KENET-AS, KE
 36992         183        231     158  ETISALAT-MISR, EG
 37492         151        471      44  ORANGE-, TN
 37693         148        597      51  TUNISIANA, TN
 24757         139         37      52  EthioNet-AS, ET

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9974      11387    3550  AMAZON-02, US
  9808        9653       8742      63  CHINAMOBILE-CN China Mobile Communicati
  8151        5590       1585     750  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3222      54904    2474  DNIC-AS-00749, US
   367        2780       3370    1305  DNIC-ASBLK-00306-00371, US
 11776        1861        256     225  ATLANTICBB-JOHNSTOWN, US
  4155        1845        122    1259  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1598        105     891  CABLEONE, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

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

   ASN  No of nets  Net Savings  Description
  9808        9653         9590  CHINAMOBILE-CN China Mobile Communications Grou
  8151        5590         4840  UNINET, MX
 39891        4758         4698  ALJAWWALSTC-AS, SA
 11776        1861         1636  ATLANTICBB-JOHNSTOWN, US
   367        2780         1475  DNIC-ASBLK-00306-00371, US
 56047        1507         1459  CMNET-HUNAN-AP China Mobile communications corp
   209        1699         1388  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1449         1376  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1482         1373  CMNET-JIANGSU-AP China Mobile communications co
  3816        1322         1126  COLOMBIA TELECOMUNICACIONES S.A. ESP, CO

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.42.219.0/24             3356  LEVEL3, US
     22538  UNALLOCATED  12.131.3.0/24             7018  ATT-INTERNET4, US
     26295  UNALLOCATED  12.147.1.0/24             7018  ATT-INTERNET4, US
     30442  UNALLOCATED  12.155.208.0/24           7018  ATT-INTERNET4, US
     13342  UNALLOCATED  12.164.235.0/24           7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS

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

Prefix                Origin AS  Description
192.88.99.0/24             1835  FSKNET-DK Forskningsnettet - Danish network for

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar

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

Unassigned Network     ASN Information  AS Name
41.57.124.0/24       Origin:     37442  RESERVED, ZZ
41.57.124.0/24      Transit:     37204  TELONE, ZW
41.57.125.0/24       Origin:     37442  RESERVED, ZZ
41.57.125.0/24      Transit:     37204  TELONE, ZW
41.74.44.0/24        Origin:     37544  RESERVED, ZZ
41.74.44.0/24       Transit:     15964  CAMNET-AS, CM
41.77.208.0/22       Origin:     37475  RESERVED, ZZ
41.77.208.0/22      Transit:     15964  CAMNET-AS, CM
41.78.60.0/22        Origin:      6762  SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22       Transit:      2914  NTT-LTD-2914, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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        /8:11       /9:6       /10:17      /11:31      /12:93      
/13:125     /14:359     /15:703     /16:5960    /17:2480    /18:2578    
/19:5503    /20:8933    /21:10973   /22:20028   /23:20804   /24:113814  
/25:73      /26:48      /27:66      /28:18      /29:16      /30:12      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2979        5590  UNINET, MX
 16509        2114        9974  AMAZON-02, US
 11492        1208        1598  CABLEONE, US
   209         961        1699  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1861  ATLANTICBB-JOHNSTOWN, US
 11830         882        1041  Instituto Costarricense de Electricidad y Telec
 19901         749         890  BRSPD-PUBLIC, US
  6147         682        1085  Telefonica del Peru S.A.A., PE
  8376         555         710  Jordan Data Communications, JO

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

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

   1:12        2:382       3:344       5:1112      6:148       7:5      
   8:631      11:171      12:662      13:308      14:120      15:283    
  16:175      17:6        18:738      20:33       21:4        22:188    
  23:1890     24:737      25:2        27:49       29:19       31:200    
  32:1        34:10       35:58       36:1177     37:430      38:885    
  39:526      40:11       41:787      42:24       43:195      44:35     
  45:2495     46:637      47:98       49:10       50:298      51:479    
  52:1372     54:275      55:969      57:14       58:6        59:38     
  60:18       61:64       62:335      63:506      64:1497     65:826    
  66:1269     67:837      68:177      69:896      70:142      71:197    
  72:479      74:732      75:390      76:222      77:330      78:575    
  79:189      80:213      81:187      82:196      83:124      84:201    
  85:355      86:162      87:163      88:155      89:527      90:96     
  91:623      92:427      93:805      94:506      95:1104     96:372    
  97:33       98:138      99:147     100:23      101:20      102:206    
 103:1177    104:764     105:156     106:3       107:198     108:309    
 109:278     110:40      111:1787    112:465     113:42      114:33     
 115:16      116:30      117:972     118:123     119:108     120:1087   
 121:39      122:114     123:57      124:59      125:13      128:359    
 129:282     130:503     131:828     132:515     133:195     134:348    
 135:89      136:372     137:434     138:785     139:402     140:594    
 141:319     142:706     143:605     144:334     145:65      146:497    
 147:399     148:625     149:490     150:291     151:569     152:576    
 153:119     154:566     155:684     156:441     157:276     158:318    
 159:688     160:726     161:478     162:706     163:288     164:645    
 165:397     166:102     167:393     168:975     169:151     170:1264   
 171:65      172:921     173:818     174:192     175:41      176:415    
 177:762     178:342     179:516     180:55      181:1001    182:76     
 183:832     184:311     185:2462    186:805     187:866     188:626    
 189:1146    190:2753    191:242     192:3913    193:1307    194:853    
 195:593     196:457     197:424     198:2003    199:3697    200:2464   
 201:2399    202:1084    203:642     204:1770    205:1657    206:1192   
 207:1157    208:941     209:1423    210:350     211:432     212:701    
 213:583     214:1027    215:42      216:1795    217:336     218:525    
 219:23      220:29      221:305     222:20      223:641    

End of report


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