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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Sep 20 22:41:32 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Wed 20 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:                              994767
    Prefixes after maximum aggregation (per Origin AS):          362083
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      455356
Total ASes present in the Internet Routing Table:                 75433
    Prefixes per ASN:                                             13.19
Origin-only ASes present in the Internet Routing Table:           64614
Origin ASes announcing only one prefix:                           25843
Transit ASes present in the Internet Routing Table:               10819
Transit-only ASes present in the Internet Routing Table:            469
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                     106
    Max AS path prepend of ASN ( 37447)                             103
Prefixes from unregistered ASNs in the Routing Table:              1333
    Number of instances of unregistered ASNs:                      1342
Number of 32-bit ASNs allocated by the RIRs:                      42645
Number of 32-bit ASNs visible in the Routing Table:               35426
Prefixes from 32-bit ASNs in the Routing Table:                  187053
Number of bogon 32-bit ASNs visible in the Routing Table:           286
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            726
Number of addresses announced to Internet:                   3063579530
    Equivalent to 182 /8s, 154 /16s and 131 /24s
    Percentage of available address space announced:               82.7
    Percentage of allocated address space announced:               82.7
    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:      341774

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

Prefixes being announced by APNIC Region ASes:                   258957
    Total APNIC prefixes after maximum aggregation:               72094
    APNIC Deaggregation factor:                                    3.59
Prefixes being announced from the APNIC address blocks:          252306
    Unique aggregates announced from the APNIC address blocks:    99213
APNIC Region origin ASes present in the Internet Routing Table:   13788
    APNIC Prefixes per ASN:                                       18.30
APNIC Region origin ASes announcing only one prefix:               4024
APNIC Region transit ASes present in the Internet Routing Table:   1858
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9081
Number of APNIC addresses announced to Internet:              775251008
    Equivalent to 46 /8s, 53 /16s and 100 /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:                    285692
    Total ARIN prefixes after maximum aggregation:               126635
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           288004
    Unique aggregates announced from the ARIN address blocks:    132223
ARIN Region origin ASes present in the Internet Routing Table:    19211
    ARIN Prefixes per ASN:                                        14.99
ARIN Region origin ASes announcing only one prefix:                6957
ARIN Region transit ASes present in the Internet Routing Table:    1968
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:    4864
Number of ARIN addresses announced to Internet:              1280818752
    Equivalent to 76 /8s, 87 /16s and 190 /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:                    284060
    Total RIPE prefixes after maximum aggregation:               127716
    RIPE Deaggregation factor:                                     2.22
Prefixes being announced from the RIPE address blocks:           279121
    Unique aggregates announced from the RIPE address blocks:    161212
RIPE Region origin ASes present in the Internet Routing Table:    28627
    RIPE Prefixes per ASN:                                         9.75
RIPE Region origin ASes announcing only one prefix:               12047
RIPE Region transit ASes present in the Internet Routing Table:    4020
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11447
Number of RIPE addresses announced to Internet:               720111070
    Equivalent to 42 /8s, 236 /16s and 5 /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:                  130214
    Total LACNIC prefixes after maximum aggregation:              28747
    LACNIC Deaggregation factor:                                   4.53
Prefixes being announced from the LACNIC address blocks:         129456
    Unique aggregates announced from the LACNIC address blocks:   49289
LACNIC Region origin ASes present in the Internet Routing Table:  11080
    LACNIC Prefixes per ASN:                                      11.68
LACNIC Region origin ASes announcing only one prefix:              2233
LACNIC Region transit ASes present in the Internet Routing Table:  2407
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8888
Number of LACNIC addresses announced to Internet:             178877728
    Equivalent to 10 /8s, 169 /16s and 117 /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:                  34511
    Total AfriNIC prefixes after maximum aggregation:              6062
    AfriNIC Deaggregation factor:                                  5.69
Prefixes being announced from the AfriNIC address blocks:         45153
    Unique aggregates announced from the AfriNIC address blocks:  12798
AfriNIC Region origin ASes present in the Internet Routing Table:  1807
    AfriNIC Prefixes per ASN:                                     24.99
AfriNIC Region origin ASes announcing only one prefix:              582
AfriNIC Region transit ASes present in the Internet Routing Table:  342
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                      106
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1146
Number of AfriNIC addresses announced to Internet:            107965184
    Equivalent to 6 /8s, 111 /16s and 107 /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        9698       8903     100  CHINAMOBILE-CN China Mobile Communicati
  7545        5751        785     692  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5053       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4285        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4046       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3756       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3603       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3157        498     255  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2530        849     386  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2316      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        9212      11016    3197  AMAZON-02, US
 11492        4549        302     623  CABLEONE, US
  7155        4185        289     103  VIASAT-SP-BACKBONE, US
   174        3849       6656     619  COGENT-174, US
 22773        3703       3079     324  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3542       1319      66  SHAW, CA
 16625        3236       1561    2385  AKAMAI-AS, US
   749        3164      54961    2400  DNIC-AS-00749, US
   367        3040       3844    1438  DNIC-ASBLK-00306-00371, US
396982        2699       3597     391  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        8562       1172    3002  TTNET, TR
 12479        7441       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4195       3399     185  AKAMAI-ASN1, NL
  8551        3480        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2997       2296     921  ROSTELECOM-AS, RU
  9009        2775        257    1413  M247, RO
  8452        2504       1852      16  TE-AS TE-AS, EG
  5384        2470        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2385        366     584  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       11962       3370     606  UNINET, MX
 10620        3550        508     836  Telmex Colombia S.A., CO
 13999        2477        366     640  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1328       2325     226  Claro NXT Telecomunicacoes Ltda, BR
  3816        1310        775     173  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1303        344     511  Axtel, S.A.B. de C.V., MX
 11664        1131        183     427  Techtel LMDS Comunicaciones Interactiva
  6147        1124        370      22  Telefonica del Peru S.A.A., PE
 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        1883        319      45  Telkom-Internet, ZA
 24863        1619        393      19  LINKdotNET-AS, EG
 24835        1549        549      28  RAYA-AS, EG
 36992        1365       1518     280  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1052         67      45  ORANGE-COTE-IVOIRE, CI
 36935         959        521      44  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 36914         537         82       3  KENET-AS, KE
 15399         528         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       11962       3370     606  UNINET, MX
  9808        9698       8903     100  CHINAMOBILE-CN China Mobile Communicati
 16509        9212      11016    3197  AMAZON-02, US
 47331        8562       1172    3002  TTNET, TR
 12479        7441       1713     145  UNI2-AS, ES
  7545        5751        785     692  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5053       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4549        302     623  CABLEONE, US
 18403        4285        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        9698         9598  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7441         7296  UNI2-AS, ES
 16509        9212         6015  AMAZON-02, US
 47331        8562         5560  TTNET, TR
  7545        5751         5059  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5053         4978  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4285         4260  FPT-AS-AP FPT Telecom Company, VN
  7155        4185         4082  VIASAT-SP-BACKBONE, US
 20940        4195         4010  AKAMAI-ASN1, NL

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              3356  LEVEL3, 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            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  -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:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.162.24.0/24       Origin:      7018  ATT-INTERNET4, US
23.162.24.0/24      Transit:      3356  LEVEL3, 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

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      /11:102     /12:299     
/13:578     /14:1213    /15:2158    /16:13762   /17:8612    /18:14859   
/19:25977   /20:46355   /21:55367   /22:115946  /23:109132  /24:597340  
/25:482     /26:625     /27:1033    /28:78      /29:103     /30:26      
/31:22      /32:628     

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

   ASN  No of nets  Total ann.  Description
 47331        7680        8562  TTNET, TR
 12479        6527        7441  UNI2-AS, ES
  8151        5933       11962  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3458        4549  CABLEONE, US
  6327        3352        3542  SHAW, CA
  7155        3130        4185  VIASAT-SP-BACKBONE, US
  8551        2947        3480  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2736        3703  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2175        2519  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2277      2:1590      3:264       4:8         5:4799      6:139    
   7:6         8:1635      9:1        11:172      12:1531     13:381    
  14:2432     15:305      16:199      17:384      18:651      20:309    
  21:4        22:188      23:6591     24:3075     25:6        27:2682   
  29:19       31:2698     32:97       34:27       35:120      36:2022   
  37:4765     38:6566     39:879      40:147      41:4899     42:2107   
  43:2492     44:332      45:17980    46:4552     47:395      49:1849   
  50:1931     51:598      52:1635     54:400      55:981      56:8      
  57:133      58:1983     59:1210     60:1010     61:2734     62:2874   
  63:1976     64:5940     65:2437     66:5214     67:3129     68:1367   
  69:4235     70:1415     71:704      72:3094     74:2705     75:1620   
  76:625      77:2603     78:4039     79:3048     80:2200     81:2115   
  82:1599     83:1368     84:1597     85:3948     86:882      87:2298   
  88:2888     89:4023     90:630      91:8074     92:2185     93:2688   
  94:3783     95:5153     96:1347     97:322      98:1139     99:736    
 100:123     101:1371    102:3456    103:33179   104:4715    105:2003   
 106:973     107:2725    108:1165    109:4379    110:2203    111:3199   
 112:2152    113:1826    114:1693    115:2165    116:1972    117:2635   
 118:2765    119:2093    120:1880    121:1242    122:2777    123:2276   
 124:1671    125:2614    128:1606    129:1149    130:1099    131:2131   
 132:977     133:408     134:1807    135:355     136:992     137:998    
 138:2872    139:1708    140:1315    141:1363    142:1546    143:1658   
 144:1031    145:354     146:2038    147:1638    148:2532    149:2348   
 150:921     151:1256    152:2008    153:596     154:5570    155:1437   
 156:2022    157:1387    158:1103    159:2271    160:2743    161:1635   
 162:3629    163:1686    164:1788    165:1953    166:1107    167:1776   
 168:4121    169:962     170:5008    171:967     172:3810    173:3048   
 174:1009    175:1269    176:3994    177:5597    178:3647    179:2495   
 180:2673    181:3664    182:3465    183:2052    184:2335    185:21172  
 186:5155    187:4680    188:4392    189:4214    190:9568    191:1887   
 192:11160   193:9122    194:7634    195:5547    196:3685    197:3054   
 198:6125    199:6232    200:8389    201:6340    202:11115   203:10651  
 204:4665    205:3805    206:4487    207:3586    208:4305    209:5055   
 210:4756    211:2641    212:4447    213:3779    214:1135    215:60     
 216:6991    217:3056    218:1337    219:619     220:2048    221:996    
 222:869     223:2202   

End of report


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