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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Dec 18 20:16:35 UTC 2023


IPv4 R&E Routing Table Report   20:15 GMT Mon 18 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:                              260001
    Prefixes after maximum aggregation (per Origin AS):          114638
    Deaggregation factor:                                          2.27
    Unique aggregates announced (without unneeded subnets):      139966
    Number of IPv4 prefixes with a valid ROA:                     99254
    Number of IPv4 prefixes with an invalid ROA:                    233
    Number of IPv4 prefixes with no ROA:                         160514
Total ASes present in the Internet Routing Table:                 20830
    Prefixes per ASN:                                             12.48
Origin-only ASes present in the Internet Routing Table:           18119
Origin ASes announcing only one prefix:                            8055
Transit ASes present in the Internet Routing Table:                2711
Transit-only ASes present in the Internet Routing Table:            661
Paths with bogon ASNs present in the IPv4 Routing Table:             11
Average AS path length visible in the Internet Routing Table:       5.7
    Max AS path length visible:                                      38
    Max AS path prepend of ASN (272886)                              31
Prefixes from unregistered ASNs in the Routing Table:               382
    Number of instances of unregistered ASNs:                       382
Number of 32-bit ASNs allocated by the RIRs:                      43235
Number of 32-bit ASNs visible in the Routing Table:                7530
Prefixes from 32-bit ASNs in the Routing Table:                   27028
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:            133
Number of addresses announced to Internet:                   1488333897
    Equivalent to 88 /8s, 182 /16s and 44 /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:       88738

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

Prefixes being announced by APNIC Region ASes:                    30896
    Total APNIC prefixes after maximum aggregation:                7307
    APNIC Deaggregation factor:                                    4.23
Prefixes being announced from the APNIC address blocks:           30537
    Unique aggregates announced from the APNIC address blocks:     8456
APNIC Region origin ASes present in the Internet Routing Table:    1202
    APNIC Prefixes per ASN:                                       25.41
APNIC Region origin ASes announcing only one prefix:                490
APNIC Region transit ASes present in the Internet Routing Table:    198
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:    525
Number of APNIC addresses announced to Internet:              212724360
    Equivalent to 12 /8s, 173 /16s and 234 /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:                    119240
    Total ARIN prefixes after maximum aggregation:                62790
    ARIN Deaggregation factor:                                     1.90
Prefixes being announced from the ARIN address blocks:           119137
    Unique aggregates announced from the ARIN address blocks:     69332
ARIN Region origin ASes present in the Internet Routing Table:     9629
    ARIN Prefixes per ASN:                                        12.37
ARIN Region origin ASes announcing only one prefix:                3954
ARIN Region transit ASes present in the Internet Routing Table:     857
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:    2045
Number of ARIN addresses announced to Internet:               841384129
    Equivalent to 50 /8s, 38 /16s and 128 /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:                     56650
    Total RIPE prefixes after maximum aggregation:                28427
    RIPE Deaggregation factor:                                     1.99
Prefixes being announced from the RIPE address blocks:            55621
    Unique aggregates announced from the RIPE address blocks:     37392
RIPE Region origin ASes present in the Internet Routing Table:     5238
    RIPE Prefixes per ASN:                                        10.62
RIPE Region origin ASes announcing only one prefix:                2213
RIPE Region transit ASes present in the Internet Routing Table:     727
Average RIPE Region AS path length visible:                         5.8
    Max RIPE Region AS path length visible:                          31
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1996
Number of RIPE addresses announced to Internet:               303114496
    Equivalent to 18 /8s, 17 /16s and 41 /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:                   44012
    Total LACNIC prefixes after maximum aggregation:              13460
    LACNIC Deaggregation factor:                                   3.27
Prefixes being announced from the LACNIC address blocks:          43347
    Unique aggregates announced from the LACNIC address blocks:   20656
LACNIC Region origin ASes present in the Internet Routing Table:   3698
    LACNIC Prefixes per ASN:                                      11.72
LACNIC Region origin ASes announcing only one prefix:              1308
LACNIC Region transit ASes present in the Internet Routing Table:   746
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        38
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2850
Number of LACNIC addresses announced to Internet:              89988608
    Equivalent to 5 /8s, 93 /16s and 30 /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:                   8821
    Total AfriNIC prefixes after maximum aggregation:              2363
    AfriNIC Deaggregation factor:                                  3.73
Prefixes being announced from the AfriNIC address blocks:         11226
    Unique aggregates announced from the AfriNIC address blocks:   4004
AfriNIC Region origin ASes present in the Internet Routing Table:   246
    AfriNIC Prefixes per ASN:                                     45.63
AfriNIC Region origin ASes announcing only one prefix:               90
AfriNIC Region transit ASes present in the Internet Routing Table:   63
Average AfriNIC Region AS path length visible:                      5.9
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  114
Number of AfriNIC addresses announced to Internet:             40981760
    Equivalent to 2 /8s, 113 /16s and 85 /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        9587       8731      42  CHINAMOBILE-CN China Mobile Communicati
 56047        1507        188      34  CMNET-HUNAN-AP China Mobile communicati
 56041        1431        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 56046        1426        834     106  CMNET-JIANGSU-AP China Mobile communica
 24444         760        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 24547         749        168      47  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 17676         738      10616     152  GIGAINFRA SoftBank Corp., JP
  9394         610       4158      52  CTTNET China TieTong Telecommunications
  2907         603       2162     466  SINET-AS Research Organization of Infor
 24445         477        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        9422      11192    3384  AMAZON-02, US
 22773        3473       3038     293  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3163      54930    2415  DNIC-AS-00749, US
   367        2955       3842    1412  DNIC-ASBLK-00306-00371, US
  7018        2568      23629    1591  ATT-INTERNET4, US
  5650        1994       2760    1414  FRONTIER-FRTR, US
 18566        1855        373     312  MEGAPATH5-, US
 11776        1845        254     221  ATLANTICBB-JOHNSTOWN, US
  6167        1743       3058     445  CELLCO-PART, US
   209        1710       4899     328  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        4570        271      54  ALJAWWALSTC-AS, SA
 20940        1574        139    1251  AKAMAI-ASN1, NL
 25019         902       1035     152  SAUDINETSTC-AS, SA
  3215         892       4823     300  France Telecom - Orange, FR
  8452         864       1841      14  TE-AS TE-AS, EG
 61317         808         56     721  ASDETUK www.heficed.com, US
 34984         804         94     512  TELLCOM-AS, TR
  8376         734         59      22  Jordan Data Communications, JO
  8386         707        109     242  KOCNET, TR
 15897         572        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        6963       2008    1035  UNINET, MX
 10620        2214        313    1315  Telmex Colombia S.A., CO
 11830        2005        369      64  Instituto Costarricense de Electricidad
  3816        1306        787     197  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1084        369      22  Telefonica del Peru S.A.A., PE
 26615        1047       2502      52  TIM SA, BR
 18881         991       1120      28  TELEFONICA BRASIL S.A, BR
 11664         920        151     400  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        1136        388      22  LINKdotNET-AS, EG
 24835        1022        457      25  RAYA-AS, EG
 36992         738       1005     363  ETISALAT-MISR, EG
 36935         670        520      41  Vodafone-, EG
 36914         531         82       3  KENET-AS, KE
 15399         429         38     144  WANANCHI-, KE
 36903         415        192     302  MT-MPLS, MA
 29571         382         36     159  ORANGE-COTE-IVOIRE, CI
  2018         342        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        9587       8731      42  CHINAMOBILE-CN China Mobile Communicati
 16509        9422      11192    3384  AMAZON-02, US
  8151        6963       2008    1035  UNINET, MX
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 22773        3473       3038     293  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3163      54930    2415  DNIC-AS-00749, US
   367        2955       3842    1412  DNIC-ASBLK-00306-00371, US
  7018        2568      23629    1591  ATT-INTERNET4, US
 10620        2214        313    1315  Telmex Colombia S.A., CO
 11830        2005        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        9422         6038  AMAZON-02, US
  8151        6963         5928  UNINET, MX
 39891        4570         4516  ALJAWWALSTC-AS, SA
 22773        3473         3180  ASN-CXA-ALL-CCI-22773-RDC, US
 11830        2005         1941  Instituto Costarricense de Electricidad y Telec
 11776        1845         1624  ATLANTICBB-JOHNSTOWN, US
   367        2955         1543  DNIC-ASBLK-00306-00371, US
 18566        1855         1543  MEGAPATH5-, US
 56047        1507         1473  CMNET-HUNAN-AP China Mobile communications corp
   209        1710         1382  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      /12:127     
/13:188     /14:500     /15:1005    /16:7429    /17:3475    /18:4044    
/19:8029    /20:12365   /21:15915   /22:28928   /23:29435   /24:148188  
/25:85      /26:61      /27:71      /28:18      /29:22      /30:15      
/31:0       /32:6       

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

   ASN  No of nets  Total ann.  Description
  8151        3581        6963  UNINET, MX
 39891        3324        4570  ALJAWWALSTC-AS, SA
 22773        2532        3473  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        1937        9422  AMAZON-02, US
 18566        1769        1855  MEGAPATH5-, US
 11830        1703        2005  Instituto Costarricense de Electricidad y Telec
  5650        1405        1994  FRONTIER-FRTR, US
 10620        1337        2214  Telmex Colombia S.A., CO
  7018        1123        2568  ATT-INTERNET4, US
   209         964        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)
----------------------------------------------

   1:14        2:524       3:248       4:5         5:1359      6:151    
   7:5         8:731      11:171      12:1095     13:316      14:103    
  15:284      16:167      17:6        18:653      20:244      21:4      
  22:188      23:2451     24:782      25:2        27:25       29:19     
  31:445      32:37       34:2        35:56       36:1100     37:887    
  38:1313     39:504      40:62       41:1047     42:20       43:213    
  44:42       45:3452     46:906      47:154      49:22       50:340    
  51:477      52:1387     54:347      55:873      56:5        57:23     
  58:7        59:33       60:18       61:70       62:601      63:888    
  64:2088     65:1153     66:2238     67:957      68:581      69:1193   
  70:483      71:264      72:738      74:1052     75:438      76:242    
  77:359      78:631      79:259      80:389      81:372      82:290    
  83:167      84:365      85:496      86:227      87:298      88:226    
  89:605      90:99       91:987      92:506      93:931      94:689    
  95:1232     96:282      97:70       98:551      99:163     100:45     
 101:26      102:297     103:1202    104:1430    105:65      106:42     
 107:1404    108:528     109:346     110:34      111:1739    112:473    
 113:59      114:33      115:18      116:46      117:953     118:64     
 119:151     120:1080    121:42      122:95      123:81      124:57     
 125:16      128:451     129:378     130:611     131:1086    132:553    
 133:267     134:451     135:121     136:422     137:539     138:880    
 139:539     140:630     141:286     142:801     143:661     144:379    
 145:90      146:596     147:432     148:690     149:703     150:292    
 151:613     152:533     153:146     154:641     155:763     156:605    
 157:330     158:435     159:665     160:665     161:637     162:965    
 163:406     164:655     165:572     166:595     167:630     168:1359   
 169:188     170:1529    171:98      172:1304    173:859     174:278    
 175:42      176:851     177:922     178:458     179:678     180:58     
 181:1645    182:14      183:876     184:505     185:3601    186:1937   
 187:1030    188:818     189:1349    190:4342    191:373     192:4953   
 193:1988    194:1459    195:1146    196:939     197:834     198:2595   
 199:3365    200:3189    201:3305    202:1111    203:645     204:2232   
 205:1850    206:1629    207:1410    208:1438    209:1946    210:346    
 211:472     212:1060    213:876     214:1075    215:43      216:2534   
 217:579     218:524     219:24      220:29      221:289     222:33     
 223:617    

End of report


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