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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Sep 25 22:41:55 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Mon 25 Sep, 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:                              980002
    Prefixes after maximum aggregation (per Origin AS):          359683
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      452766
Total ASes present in the Internet Routing Table:                 75018
    Prefixes per ASN:                                             13.06
Origin-only ASes present in the Internet Routing Table:           64677
Origin ASes announcing only one prefix:                           25871
Transit ASes present in the Internet Routing Table:               10341
Transit-only ASes present in the Internet Routing Table:            444
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1248
    Number of instances of unregistered ASNs:                      1250
Number of 32-bit ASNs allocated by the RIRs:                      42690
Number of 32-bit ASNs visible in the Routing Table:               35214
Prefixes from 32-bit ASNs in the Routing Table:                  183110
Number of bogon 32-bit ASNs visible in the Routing Table:           213
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            639
Number of addresses announced to Internet:                   3056579978
    Equivalent to 182 /8s, 47 /16s and 181 /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:               99.5
Total number of prefixes smaller than registry allocations:      335837

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

Prefixes being announced by APNIC Region ASes:                   256176
    Total APNIC prefixes after maximum aggregation:               71842
    APNIC Deaggregation factor:                                    3.57
Prefixes being announced from the APNIC address blocks:          249693
    Unique aggregates announced from the APNIC address blocks:    98666
APNIC Region origin ASes present in the Internet Routing Table:   13715
    APNIC Prefixes per ASN:                                       18.21
APNIC Region origin ASes announcing only one prefix:               4054
APNIC Region transit ASes present in the Internet Routing Table:   1819
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         32
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9021
Number of APNIC addresses announced to Internet:              774059840
    Equivalent to 46 /8s, 35 /16s and 55 /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:                    281358
    Total ARIN prefixes after maximum aggregation:               125418
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           284096
    Unique aggregates announced from the ARIN address blocks:    131669
ARIN Region origin ASes present in the Internet Routing Table:    19127
    ARIN Prefixes per ASN:                                        14.85
ARIN Region origin ASes announcing only one prefix:                6936
ARIN Region transit ASes present in the Internet Routing Table:    1843
Average ARIN Region AS path length visible:                         3.5
    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:              1278937664
    Equivalent to 76 /8s, 59 /16s and 10 /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:                    280048
    Total RIPE prefixes after maximum aggregation:               127018
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           274614
    Unique aggregates announced from the RIPE address blocks:    159807
RIPE Region origin ASes present in the Internet Routing Table:    28473
    RIPE Prefixes per ASN:                                         9.64
RIPE Region origin ASes announcing only one prefix:               11988
RIPE Region transit ASes present in the Internet Routing Table:    3855
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          33
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11367
Number of RIPE addresses announced to Internet:               716850910
    Equivalent to 42 /8s, 186 /16s and 70 /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:                  127412
    Total LACNIC prefixes after maximum aggregation:              28616
    LACNIC Deaggregation factor:                                   4.45
Prefixes being announced from the LACNIC address blocks:         126691
    Unique aggregates announced from the LACNIC address blocks:   49261
LACNIC Region origin ASes present in the Internet Routing Table:  11040
    LACNIC Prefixes per ASN:                                      11.48
LACNIC Region origin ASes announcing only one prefix:              2297
LACNIC Region transit ASes present in the Internet Routing Table:  2332
Average LACNIC Region AS path length visible:                       4.3
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8849
Number of LACNIC addresses announced to Internet:             178413088
    Equivalent to 10 /8s, 162 /16s and 94 /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:                  33760
    Total AfriNIC prefixes after maximum aggregation:              6013
    AfriNIC Deaggregation factor:                                  5.61
Prefixes being announced from the AfriNIC address blocks:         44268
    Unique aggregates announced from the AfriNIC address blocks:  12821
AfriNIC Region origin ASes present in the Internet Routing Table:  1801
    AfriNIC Prefixes per ASN:                                     24.58
AfriNIC Region origin ASes announcing only one prefix:              596
AfriNIC Region transit ASes present in the Internet Routing Table:  333
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1145
Number of AfriNIC addresses announced to Internet:            107859456
    Equivalent to 6 /8s, 109 /16s and 206 /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        9613       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5727        785     691  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5046       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4268        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4023       1857      51  VNPT-AS-VN VNPT Corp, VN
  7552        3746       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3594       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3160        498     254  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2522        850     376  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2296      11269     604  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        9070      10988    3277  AMAZON-02, US
 11492        4527        300     685  CABLEONE, US
  7155        4185        289     103  VIASAT-SP-BACKBONE, US
   174        3916       6655     613  COGENT-174, US
 22773        3661       3062     311  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3546       1319      66  SHAW, CA
   749        3151      54959    2403  DNIC-AS-00749, US
 16625        3037       1427    2288  AKAMAI-AS, US
   367        2992       3840    1431  DNIC-ASBLK-00306-00371, US
396982        2696       3597     392  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        8567       1172    2995  TTNET, TR
 12479        7384       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4122       3399     185  AKAMAI-ASN1, NL
  8551        3460        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3006       2298     925  ROSTELECOM-AS, RU
  9009        2784        258    1429  M247, RO
  8452        2507       1852      16  TE-AS TE-AS, EG
  5384        2452        585      28  EMIRATES-INTERNET Emirates Internet, AE
 34984        2377        365     585  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       11942       3371     606  UNINET, MX
 10620        3543        506     852  Telmex Colombia S.A., CO
 13999        2407        334     621  Mega Cable, S.A. de C.V., MX
 11830        2003        369      64  Instituto Costarricense de Electricidad
 28573        1328       2325     226  Claro NXT Telecomunicacoes Ltda, BR
  6503        1309        344     511  Axtel, S.A.B. de C.V., MX
  3816        1296        764     192  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1112        369      22  Telefonica del Peru S.A.A., PE
 11664        1108        179     428  Techtel LMDS Comunicaciones Interactiva
 28202        1090         52       9  Rede Brasileira de Comunicacao 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        1885        319      45  Telkom-Internet, ZA
 24863        1607        393      19  LINKdotNET-AS, EG
 24835        1549        549      28  RAYA-AS, EG
 36992        1360       1518     280  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1046         67      45  ORANGE-COTE-IVOIRE, CI
 36935         938        521      44  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 15399         524         54      48  WANANCHI-, KE
 36914         521         82       3  KENET-AS, 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       11942       3371     606  UNINET, MX
  9808        9613       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9070      10988    3277  AMAZON-02, US
 47331        8567       1172    2995  TTNET, TR
 12479        7384       1713     145  UNI2-AS, ES
  7545        5727        785     691  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5046       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4527        300     685  CABLEONE, US
 18403        4268        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        9613         9514  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7384         7239  UNI2-AS, ES
 16509        9070         5793  AMAZON-02, US
 47331        8567         5572  TTNET, TR
  7545        5727         5036  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5046         4971  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4268         4243  FPT-AS-AP FPT Telecom Company, VN
  7155        4185         4082  VIASAT-SP-BACKBONE, US
 45899        4023         3972  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
     40493  UNALLOCATED  8.17.26.0/24             17054  EXPEDIENT, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, 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             3356  LEVEL3, 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  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ

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:      2386  INS-AS, US
23.141.0.0/24       Transit:      7018  ATT-INTERNET4, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin

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        /8:16       /9:14      /10:39      /11:101     /12:298     
/13:578     /14:1212    /15:2150    /16:13676   /17:8558    /18:14783   
/19:25790   /20:45820   /21:54554   /22:114416  /23:107122  /24:587887  
/25:478     /26:626     /27:1037    /28:76      /29:100     /30:25      
/31:22      /32:623     

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

   ASN  No of nets  Total ann.  Description
 47331        7685        8567  TTNET, TR
 12479        6471        7384  UNI2-AS, ES
  8151        5940       11942  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3440        4527  CABLEONE, US
  6327        3356        3546  SHAW, CA
  7155        3130        4185  VIASAT-SP-BACKBONE, US
  8551        2927        3460  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2700        3661  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2151        2493  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2266      2:1576      3:265       4:8         5:4700      6:135    
   7:6         8:1605      9:1        11:172      12:1516     13:372    
  14:2417     15:303      16:198      17:376      18:652      20:309    
  21:4        22:188      23:6503     24:2920     25:2        27:2665   
  29:19       31:2689     32:93       34:27       35:119      36:2015   
  37:4641     38:6447     39:878      40:147      41:4825     42:2087   
  43:2405     44:328      45:17437    46:4471     47:379      49:1845   
  50:1910     51:598      52:1627     54:391      55:965      56:5      
  57:131      58:1948     59:1209     60:1007     61:2730     62:2813   
  63:1948     64:5831     65:2420     66:5123     67:3096     68:1360   
  69:4205     70:1402     71:680      72:3047     74:2659     75:1610   
  76:634      77:2438     78:4025     79:3025     80:2165     81:2070   
  82:1566     83:1364     84:1580     85:3909     86:874      87:2272   
  88:2862     89:3934     90:624      91:7971     92:2138     93:2661   
  94:3698     95:5120     96:1340     97:319      98:1122     99:731    
 100:123     101:1333    102:3254    103:32649   104:4750    105:2000   
 106:967     107:2705    108:1148    109:4327    110:2194    111:3184   
 112:2130    113:1818    114:1707    115:2157    116:1938    117:2575   
 118:2760    119:2069    120:1860    121:1240    122:2762    123:2268   
 124:1660    125:2571    128:1563    129:1016    130:1088    131:2078   
 132:973     133:408     134:1793    135:351     136:976     137:988    
 138:2822    139:1665    140:1187    141:1321    142:1541    143:1611   
 144:1010    145:351     146:1989    147:1621    148:2526    149:2328   
 150:904     151:1248    152:1999    153:593     154:5427    155:1399   
 156:2005    157:1373    158:1067    159:2261    160:2707    161:1618   
 162:3579    163:1669    164:1762    165:1913    166:1080    167:1761   
 168:3942    169:904     170:4910    171:946     172:3775    173:2988   
 174:995     175:1255    176:3941    177:5368    178:3568    179:2442   
 180:2634    181:3557    182:3351    183:2037    184:2295    185:20927  
 186:5025    187:4571    188:4342    189:4164    190:9434    191:1824   
 192:11054   193:9022    194:7531    195:5480    196:3607    197:2986   
 198:6051    199:6155    200:8187    201:6204    202:10960   203:10581  
 204:4624    205:3738    206:4465    207:3559    208:4212    209:5006   
 210:4730    211:2634    212:4394    213:3546    214:1114    215:56     
 216:6877    217:3029    218:1330    219:609     220:2041    221:986    
 222:857     223:2179   

End of report


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