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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Dec 27 20:16:39 UTC 2023


IPv4 R&E Routing Table Report   20:15 GMT Wed 27 Dec, 2023

  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:                              256430
    Prefixes after maximum aggregation (per Origin AS):          113887
    Deaggregation factor:                                          2.25
    Unique aggregates announced (without unneeded subnets):      138474
    Number of IPv4 prefixes with a valid ROA:                     97373
    Number of IPv4 prefixes with an invalid ROA:                     28
    Number of IPv4 prefixes with no ROA:                         159029
Total ASes present in the Internet Routing Table:                 20598
    Prefixes per ASN:                                             12.45
Origin-only ASes present in the Internet Routing Table:           17935
Origin ASes announcing only one prefix:                            7996
Transit ASes present in the Internet Routing Table:                2663
Transit-only ASes present in the Internet Routing Table:            653
Paths with bogon ASNs present in the IPv4 Routing Table:             11
Average AS path length visible in the Internet Routing Table:       5.6
    Max AS path length visible:                                      38
    Max AS path prepend of ASN (272886)                              31
Prefixes from unregistered ASNs in the Routing Table:               374
    Number of instances of unregistered ASNs:                       374
Number of 32-bit ASNs allocated by the RIRs:                      43270
Number of 32-bit ASNs visible in the Routing Table:                7427
Prefixes from 32-bit ASNs in the Routing Table:                   26635
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:            126
Number of addresses announced to Internet:                   1487821417
    Equivalent to 88 /8s, 174 /16s and 90 /24s
    Percentage of available address space announced:               40.2
    Percentage of allocated address space announced:               40.2
    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:       86996

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

Prefixes being announced by APNIC Region ASes:                    30491
    Total APNIC prefixes after maximum aggregation:                7221
    APNIC Deaggregation factor:                                    4.22
Prefixes being announced from the APNIC address blocks:           30164
    Unique aggregates announced from the APNIC address blocks:     8367
APNIC Region origin ASes present in the Internet Routing Table:    1185
    APNIC Prefixes per ASN:                                       25.45
APNIC Region origin ASes announcing only one prefix:                483
APNIC Region transit ASes present in the Internet Routing Table:    194
Average APNIC Region AS path length visible:                        6.2
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    517
Number of APNIC addresses announced to Internet:              214596488
    Equivalent to 12 /8s, 202 /16s and 123 /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:                    118942
    Total ARIN prefixes after maximum aggregation:                62589
    ARIN Deaggregation factor:                                     1.90
Prefixes being announced from the ARIN address blocks:           118903
    Unique aggregates announced from the ARIN address blocks:     69200
ARIN Region origin ASes present in the Internet Routing Table:     9605
    ARIN Prefixes per ASN:                                        12.38
ARIN Region origin ASes announcing only one prefix:                3950
ARIN Region transit ASes present in the Internet Routing Table:     847
Average ARIN Region AS path length visible:                         5.3
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2042
Number of ARIN addresses announced to Internet:               840416737
    Equivalent to 50 /8s, 23 /16s and 189 /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:                     55717
    Total RIPE prefixes after maximum aggregation:                28198
    RIPE Deaggregation factor:                                     1.98
Prefixes being announced from the RIPE address blocks:            54689
    Unique aggregates announced from the RIPE address blocks:     36936
RIPE Region origin ASes present in the Internet Routing Table:     5136
    RIPE Prefixes per ASN:                                        10.65
RIPE Region origin ASes announcing only one prefix:                2175
RIPE Region transit ASes present in the Internet Routing Table:     719
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          27
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1967
Number of RIPE addresses announced to Internet:               303723776
    Equivalent to 18 /8s, 26 /16s and 117 /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:                   42191
    Total LACNIC prefixes after maximum aggregation:              13246
    LACNIC Deaggregation factor:                                   3.19
Prefixes being announced from the LACNIC address blocks:          41497
    Unique aggregates announced from the LACNIC address blocks:   19942
LACNIC Region origin ASes present in the Internet Routing Table:   3617
    LACNIC Prefixes per ASN:                                      11.47
LACNIC Region origin ASes announcing only one prefix:              1292
LACNIC Region transit ASes present in the Internet Routing Table:   730
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        38
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2787
Number of LACNIC addresses announced to Internet:              88183040
    Equivalent to 5 /8s, 65 /16s and 145 /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:                   8715
    Total AfriNIC prefixes after maximum aggregation:              2345
    AfriNIC Deaggregation factor:                                  3.72
Prefixes being announced from the AfriNIC address blocks:         11051
    Unique aggregates announced from the AfriNIC address blocks:   3905
AfriNIC Region origin ASes present in the Internet Routing Table:   249
    AfriNIC Prefixes per ASN:                                     44.38
AfriNIC Region origin ASes announcing only one prefix:               96
AfriNIC Region transit ASes present in the Internet Routing Table:   62
Average AfriNIC Region AS path length visible:                      5.9
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  114
Number of AfriNIC addresses announced to Internet:             40827392
    Equivalent to 2 /8s, 110 /16s and 250 /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        9600       8738      49  CHINAMOBILE-CN China Mobile Communicati
 56047        1498        188      34  CMNET-HUNAN-AP China Mobile communicati
 56041        1434        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 56046        1431        842     106  CMNET-JIANGSU-AP China Mobile communica
 24444         760        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 24547         752        168      47  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 17676         738      10616     152  GIGAINFRA SoftBank Corp., JP
  2907         599       2161     463  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
  9394         474       4145      48  CTTNET China TieTong Telecommunications

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        9468      11202    3344  AMAZON-02, US
 22773        3495       3038     293  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3162      54930    2414  DNIC-AS-00749, US
   367        2972       3859    1419  DNIC-ASBLK-00306-00371, US
  7018        2527      23623    1573  ATT-INTERNET4, US
  5650        1984       2758    1409  FRONTIER-FRTR, US
 18566        1855        373     312  MEGAPATH5-, US
 11776        1845        254     221  ATLANTICBB-JOHNSTOWN, US
  6167        1742       3091     458  CELLCO-PART, US
   209        1710       4899     327  CENTURYLINK-US-LEGACY-QWEST, US

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        4641        279      54  ALJAWWALSTC-AS, SA
 20940        1522        136    1219  AKAMAI-ASN1, NL
  3215         893       4823     300  France Telecom - Orange, FR
 25019         833       1035     152  SAUDINETSTC-AS, SA
  8452         829       1841      14  TE-AS TE-AS, EG
 61317         799         55     712  ASDETUK www.heficed.com, US
 34984         753         87     478  TELLCOM-AS, TR
  8376         723         59      21  Jordan Data Communications, JO
  8386         707        109     242  KOCNET, TR
 15897         584        188      20  VODAFONETURKEY, TR

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        5868       1661    1001  UNINET, MX
 10620        2214        313    1315  Telmex Colombia S.A., CO
 11830        2007        369      64  Instituto Costarricense de Electricidad
  3816        1306        787     197  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1088        369      22  Telefonica del Peru S.A.A., PE
 26615        1049       2502      52  TIM SA, BR
 18881         992       1120      28  TELEFONICA BRASIL S.A, BR
 11664         927        151     401  Techtel LMDS Comunicaciones Interactiva
 28006         616         75     279  CORPORACION NACIONAL DE TELECOMUNICACIO
 26599         596       2965      47  TELEFONICA BRASIL S.A, BR

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        1174        388      22  LINKdotNET-AS, EG
 24835        1013        457      25  RAYA-AS, EG
 36935         671        520      41  Vodafone-, EG
 36992         655        950     340  ETISALAT-MISR, EG
 36914         513         82       3  KENET-AS, KE
 15399         430         38     145  WANANCHI-, KE
 36903         415        192     302  MT-MPLS, MA
 29571         390         36     163  ORANGE-COTE-IVOIRE, CI
  2018         380        319      71  TENET-1, ZA
 37693         313        594      41  TUNISIANA, TN

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
  9808        9600       8738      49  CHINAMOBILE-CN China Mobile Communicati
 16509        9468      11202    3344  AMAZON-02, US
  8151        5868       1661    1001  UNINET, MX
 39891        4641        279      54  ALJAWWALSTC-AS, SA
 22773        3495       3038     293  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3162      54930    2414  DNIC-AS-00749, US
   367        2972       3859    1419  DNIC-ASBLK-00306-00371, US
  7018        2527      23623    1573  ATT-INTERNET4, US
 10620        2214        313    1315  Telmex Colombia S.A., CO
 11830        2007        369      64  Instituto Costarricense de Electricidad

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

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

   ASN  No of nets  Net Savings  Description
 16509        9468         6124  AMAZON-02, US
  8151        5868         4867  UNINET, MX
 39891        4641         4587  ALJAWWALSTC-AS, SA
 22773        3495         3202  ASN-CXA-ALL-CCI-22773-RDC, US
 11830        2007         1943  Instituto Costarricense de Electricidad y Telec
 11776        1845         1624  ATLANTICBB-JOHNSTOWN, US
   367        2972         1553  DNIC-ASBLK-00306-00371, US
 18566        1855         1543  MEGAPATH5-, US
 56047        1498         1464  CMNET-HUNAN-AP China Mobile communications corp
   209        1710         1383  CENTURYLINK-US-LEGACY-QWEST, US

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
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
    396451  UNALLOCATED  12.6.254.0/24             7018  ATT-INTERNET4, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
    396831  UNALLOCATED  12.23.198.0/24            7018  ATT-INTERNET4, US
     21861  UNALLOCATED  12.37.59.0/24             7018  ATT-INTERNET4, US
     33684  UNALLOCATED  12.37.144.0/24            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             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
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
45.42.252.0/22       Origin:     16509  AMAZON-02, US
45.42.252.0/22      Transit:     24482  SGGS-AS-AP SG.GS, SG

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        /8:13       /9:8       /10:29      /11:45      /12:130     
/13:188     /14:499     /15:1001    /16:7441    /17:3475    /18:4013    
/19:7883    /20:12265   /21:15400   /22:28524   /23:28971   /24:146287  
/25:73      /26:54      /27:70      /28:18      /29:22      /30:15      
/31:0       /32:6       

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

   ASN  No of nets  Total ann.  Description
 39891        3324        4641  ALJAWWALSTC-AS, SA
  8151        3092        5868  UNINET, MX
 22773        2552        3495  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        1953        9468  AMAZON-02, US
 18566        1769        1855  MEGAPATH5-, US
 11830        1705        2007  Instituto Costarricense de Electricidad y Telec
  5650        1404        1984  FRONTIER-FRTR, US
 10620        1337        2214  Telmex Colombia S.A., CO
  7018        1101        2527  ATT-INTERNET4, US
   209         965        1710  CENTURYLINK-US-LEGACY-QWEST, US

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

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

   1:15        2:525       3:251       4:5         5:1315      6:150    
   7:5         8:731      11:171      12:1098     13:314      14:103    
  15:285      16:167      17:6        18:660      20:244      21:4      
  22:188      23:2398     24:781      25:2        27:25       29:19     
  31:428      32:37       34:2        35:57       36:1106     37:908    
  38:1356     39:508      40:62       41:990      42:20       43:214    
  44:41       45:3371     46:864      47:151      49:22       50:342    
  51:478      52:1387     54:339      55:892      56:5        57:23     
  58:7        59:32       60:18       61:60       62:597      63:889    
  64:2072     65:1152     66:2229     67:952      68:589      69:1205   
  70:493      71:266      72:689      74:1048     75:438      76:244    
  77:345      78:610      79:252      80:371      81:347      82:275    
  83:156      84:348      85:465      86:198      87:284      88:220    
  89:575      90:102      91:942      92:497      93:932      94:688    
  95:1220     96:280      97:70       98:548      99:164     100:45     
 101:28      102:297     103:1175    104:1401    105:64      106:42     
 107:1401    108:531     109:326     110:32      111:1740    112:473    
 113:61      114:33      115:17      116:47      117:952     118:64     
 119:151     120:1072    121:37      122:87      123:79      124:57     
 125:16      128:445     129:378     130:610     131:1049    132:557    
 133:267     134:453     135:122     136:394     137:590     138:863    
 139:530     140:575     141:280     142:802     143:645     144:380    
 145:90      146:606     147:423     148:692     149:712     150:293    
 151:609     152:538     153:146     154:633     155:762     156:598    
 157:329     158:428     159:660     160:666     161:637     162:970    
 163:405     164:656     165:565     166:575     167:618     168:1388   
 169:182     170:1500    171:98      172:1283    173:858     174:279    
 175:42      176:816     177:833     178:383     179:674     180:60     
 181:1640    182:16      183:869     184:503     185:3423    186:1882   
 187:870     188:785     189:1283    190:4369    191:341     192:4911   
 193:1983    194:1453    195:1118    196:941     197:850     198:2572   
 199:3415    200:3108    201:3206    202:1094    203:643     204:2230   
 205:1835    206:1624    207:1406    208:1419    209:1939    210:335    
 211:472     212:1050    213:869     214:1077    215:44      216:2526   
 217:569     218:524     219:24      220:29      221:292     222:20     
 223:619    

End of report


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