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

REN Routing Table Report cscora at frr.nsrc.org
Tue Jul 18 22:41:43 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Tue 18 Jul, 2023

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

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

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

BGP routing table entries examined:                              977052
    Prefixes after maximum aggregation (per Origin AS):          357929
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      450731
Total ASes present in the Internet Routing Table:                 74846
    Prefixes per ASN:                                             13.05
Origin-only ASes present in the Internet Routing Table:           64154
Origin ASes announcing only one prefix:                           25855
Transit ASes present in the Internet Routing Table:               10692
Transit-only ASes present in the Internet Routing Table:            449
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                     130
    Max AS path prepend of ASN ( 37447)                             127
Prefixes from unregistered ASNs in the Routing Table:              1290
    Number of instances of unregistered ASNs:                      1295
Number of 32-bit ASNs allocated by the RIRs:                      42254
Number of 32-bit ASNs visible in the Routing Table:               34942
Prefixes from 32-bit ASNs in the Routing Table:                  181279
Number of bogon 32-bit ASNs visible in the Routing Table:           205
Special use prefixes present in the Routing Table:                   42
Prefixes being announced from unallocated address space:            683
Number of addresses announced to Internet:                   3058541478
    Equivalent to 182 /8s, 77 /16s and 163 /24s
    Percentage of available address space announced:               82.6
    Percentage of allocated address space announced:               82.6
    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:      335410

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

Prefixes being announced by APNIC Region ASes:                   255437
    Total APNIC prefixes after maximum aggregation:               70937
    APNIC Deaggregation factor:                                    3.60
Prefixes being announced from the APNIC address blocks:          249131
    Unique aggregates announced from the APNIC address blocks:    97382
APNIC Region origin ASes present in the Internet Routing Table:   13600
    APNIC Prefixes per ASN:                                       18.32
APNIC Region origin ASes announcing only one prefix:               3974
APNIC Region transit ASes present in the Internet Routing Table:   1824
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         27
Number of APNIC region 32-bit ASNs visible in the Routing Table:   8881
Number of APNIC addresses announced to Internet:              776991584
    Equivalent to 46 /8s, 79 /16s and 243 /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:                    280139
    Total ARIN prefixes after maximum aggregation:               125137
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           281917
    Unique aggregates announced from the ARIN address blocks:    130786
ARIN Region origin ASes present in the Internet Routing Table:    19136
    ARIN Prefixes per ASN:                                        14.73
ARIN Region origin ASes announcing only one prefix:                6959
ARIN Region transit ASes present in the Internet Routing Table:    1957
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4832
Number of ARIN addresses announced to Internet:              1277956160
    Equivalent to 76 /8s, 44 /16s and 16 /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:                    279249
    Total RIPE prefixes after maximum aggregation:               126393
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           274929
    Unique aggregates announced from the RIPE address blocks:    159903
RIPE Region origin ASes present in the Internet Routing Table:    28436
    RIPE Prefixes per ASN:                                         9.67
RIPE Region origin ASes announcing only one prefix:               11997
RIPE Region transit ASes present in the Internet Routing Table:    3997
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                         102
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11286
Number of RIPE addresses announced to Internet:               717053918
    Equivalent to 42 /8s, 189 /16s and 95 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-213403
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                  127353
    Total LACNIC prefixes after maximum aggregation:              28705
    LACNIC Deaggregation factor:                                   4.44
Prefixes being announced from the LACNIC address blocks:         126795
    Unique aggregates announced from the LACNIC address blocks:   49489
LACNIC Region origin ASes present in the Internet Routing Table:  11029
    LACNIC Prefixes per ASN:                                      11.50
LACNIC Region origin ASes announcing only one prefix:              2344
LACNIC Region transit ASes present in the Internet Routing Table:  2359
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8821
Number of LACNIC addresses announced to Internet:             178505760
    Equivalent to 10 /8s, 163 /16s and 200 /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:                  33584
    Total AfriNIC prefixes after maximum aggregation:              5955
    AfriNIC Deaggregation factor:                                  5.64
Prefixes being announced from the AfriNIC address blocks:         43596
    Unique aggregates announced from the AfriNIC address blocks:  12591
AfriNIC Region origin ASes present in the Internet Routing Table:  1779
    AfriNIC Prefixes per ASN:                                     24.51
AfriNIC Region origin ASes announcing only one prefix:              581
AfriNIC Region transit ASes present in the Internet Routing Table:  330
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                      130
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1122
Number of AfriNIC addresses announced to Internet:            107669504
    Equivalent to 6 /8s, 106 /16s and 232 /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        9671       8914      95  CHINAMOBILE-CN China Mobile Communicati
  7545        5685        784     692  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4997       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4228        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4082       1889      48  VNPT-AS-VN VNPT Corp, VN
  7552        3698       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3549       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3052        498     250  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2453        835     447  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2312      11270     588  KIXS-AS-KR Korea Telecom, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        8736      10921    3144  AMAZON-02, US
 11492        4516        300     616  CABLEONE, US
  7155        4177        288      89  VIASAT-SP-BACKBONE, US
 22773        3660       3077     280  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3525       1319      66  SHAW, CA
   174        3465       6656     610  COGENT-174, US
 16625        3223       1589    2388  AKAMAI-AS, US
   749        3142      54962    2394  DNIC-AS-00749, US
   367        2760       3755    1322  DNIC-ASBLK-00306-00371, US
396982        2676       3594     383  GOOGLE-CLOUD-PLATFORM, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        8323       1144    3223  TTNET, TR
 12479        7304       1706     141  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4141       3400     194  AKAMAI-ASN1, NL
  8551        3463        369      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2984       2294     919  ROSTELECOM-AS, RU
  9009        2669        247    1386  M247, RO
  5384        2468        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2452       1852      15  TE-AS TE-AS, EG
 34984        2352        364     603  TELLCOM-AS, TR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11764       3378     598  UNINET, MX
 10620        3529        507     840  Telmex Colombia S.A., CO
 13999        2406        360     632  Mega Cable, S.A. de C.V., MX
 11830        2226        369      64  Instituto Costarricense de Electricidad
 28573        1318       2323     232  Claro NXT Telecomunicacoes Ltda, BR
  3816        1306        774     170  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1301        344     512  Axtel, S.A.B. de C.V., MX
  6147        1130        370      22  Telefonica del Peru S.A.A., PE
 11664        1105        177     433  Techtel LMDS Comunicaciones Interactiva
 26615        1039       2500      48  TIM SA, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1900        319      50  Telkom-Internet, ZA
 24863        1627        393      19  LINKdotNET-AS, EG
 24835        1548        533      27  RAYA-AS, EG
 36992        1352       1518     282  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1052         67      45  ORANGE-COTE-IVOIRE, CI
 36935         923        521      44  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 36914         532         82       3  KENET-AS, KE
 15399         525         54      48  WANANCHI-, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11764       3378     598  UNINET, MX
  9808        9671       8914      95  CHINAMOBILE-CN China Mobile Communicati
 16509        8736      10921    3144  AMAZON-02, US
 47331        8323       1144    3223  TTNET, TR
 12479        7304       1706     141  UNI2-AS, ES
  7545        5685        784     692  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4997       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4516        300     616  CABLEONE, US
 18403        4228        347      25  FPT-AS-AP FPT Telecom Company, VN

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

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

   ASN  No of nets  Net Savings  Description
  9808        9671         9576  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7304         7163  UNI2-AS, ES
 16509        8736         5592  AMAZON-02, US
 47331        8323         5100  TTNET, TR
  7545        5685         4993  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4997         4922  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4228         4203  FPT-AS-AP FPT Telecom Company, VN
  7155        4177         4088  VIASAT-SP-BACKBONE, US
 45899        4082         4034  VNPT-AS-VN VNPT Corp, VN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     19695  UNALLOCATED  8.20.161.0/24            46887  LIGHTOWER, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24            46887  LIGHTOWER, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

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

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

Prefix                Origin AS  Description
100.65.6.0/24             65534  UNASSIGNED
100.65.7.0/24             65534  UNASSIGNED
100.65.8.0/24             65534  UNASSIGNED
100.65.10.0/24            65534  UNASSIGNED
100.65.11.0/24            65534  UNASSIGNED
100.65.13.0/24            65534  UNASSIGNED
100.65.16.0/23            65534  UNASSIGNED
100.66.3.0/24             65534  UNASSIGNED
100.66.7.0/24             65534  UNASSIGNED
100.66.9.0/24             65534  UNASSIGNED

Complete listing at https://bgp.nsrc.org/REN/OIX/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  UNASSIGNED
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.176.160.0/24      Origin:    397327  UNASSIGNED
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
27.100.7.0/24        Origin:     56096  UNASSIGNED
27.100.7.0/24       Transit:     45455  TH-2S1N-AP Two S One N Co Ltd, Internet 
41.57.124.0/22       Origin:     37442  UNASSIGNED
41.57.124.0/22      Transit:     37204  TELONE, ZW

Complete listing at https://bgp.nsrc.org/REN/OIX/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        /8:17       /9:14      /10:39      /11:103     /12:297     
/13:577     /14:1215    /15:2161    /16:13660   /17:8545    /18:14775   
/19:25863   /20:46010   /21:54758   /22:114306  /23:106852  /24:584860  
/25:488     /26:615     /27:1030    /28:74      /29:101     /30:27      
/31:23      /32:641     

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

   ASN  No of nets  Total ann.  Description
 47331        7452        8323  TTNET, TR
 12479        6391        7304  UNI2-AS, ES
  8151        5660       11764  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3424        4516  CABLEONE, US
  6327        3335        3525  SHAW, CA
  7155        3124        4177  VIASAT-SP-BACKBONE, US
  8551        2931        3463  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2713        3660  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2159        2504  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2232      2:1487      3:231       4:8         5:4699      6:131    
   7:6         8:1626      9:1        11:172      12:1524     13:375    
  14:2403     15:301      16:198      17:384      18:566      20:287    
  21:4        22:188      23:6433     24:3018     25:4        27:2614   
  29:19       31:2685     32:95       34:26       35:116      36:1979   
  37:4804     38:6064     39:836      40:153      41:4708     42:2037   
  43:2447     44:312      45:17409    46:4559     47:402      49:1785   
  50:1881     51:585      52:1627     54:397      55:980      56:8      
  57:129      58:1969     59:1175     60:992      61:2756     62:2803   
  63:1946     64:5768     65:2359     66:5111     67:3118     68:1346   
  69:4161     70:1414     71:691      72:3073     74:2674     75:1607   
  76:617      77:2584     78:3964     79:3010     80:2171     81:2045   
  82:1577     83:1335     84:1560     85:3777     86:870      87:2297   
  88:2893     89:3965     90:617      91:7973     92:2127     93:2640   
  94:3782     95:5133     96:1348     97:337      98:1190     99:735    
 100:128     101:1362    102:3204    103:32402   104:4598    105:1943   
 106:957     107:2574    108:1088    109:4340    110:2176    111:3176   
 112:2129    113:1803    114:1657    115:2153    116:1943    117:2602   
 118:2673    119:2083    120:1877    121:1190    122:2730    123:2263   
 124:1660    125:2521    128:1505    129:1117    130:1077    131:2083   
 132:960     133:422     134:1808    135:353     136:894     137:975    
 138:2661    139:1668    140:1268    141:1336    142:1499    143:1583   
 144:997     145:340     146:1975    147:1607    148:2470    149:2221   
 150:915     151:1186    152:2000    153:564     154:4972    155:1378   
 156:1857    157:1351    158:1100    159:2279    160:2670    161:1576   
 162:3551    163:1628    164:1672    165:1942    166:1093    167:1740   
 168:4035    169:967     170:4862    171:914     172:3665    173:2981   
 174:1054    175:1255    176:3896    177:5468    178:3648    179:2435   
 180:2647    181:3537    182:3436    183:2039    184:2334    185:20870  
 186:5088    187:4408    188:4302    189:4022    190:9420    191:1783   
 192:11002   193:8994    194:7560    195:5414    196:3684    197:2907   
 198:6049    199:6134    200:8213    201:6176    202:11051   203:10728  
 204:4631    205:3712    206:4440    207:3518    208:4180    209:4996   
 210:4716    211:2657    212:4377    213:3732    214:1091    215:60     
 216:6817    217:2998    218:1323    219:623     220:2012    221:967    
 222:872     223:2190   

End of report


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